EPA-AA-SDSB-87-3
Technical Report
Heavy-Duty Engine Testing Report
Correlation Testing of Caterpillar 3208 DIT
By
Thomas M. Baines
February, 1987
NOTICE
Technical Reports do not necessarily represent final EPA
decisions or positions. They are intended to present
technical analysis of issues using data which are
currently available. The purpose in the release of such
reports is to facilitate the exchange of technical
information and to inform the public of technical
developments which may form the basis for a final EPA
decision, position or regulatory action.
Standards Development and Support Branch
Emission Control Technology Division
Office of Mobile Sources
Office of Air and Radiation
U. S. Environmental Protection Agency
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-2-
I. Background
The correlation between the heavy-duty test facilities
of a manufacturer and EPA's test facilities is of significant
interest to both the manufacturer and EPA. It is especially
important to establish correlation in this timeframe, in that
relatively new transient heavy duty engine testing procedures
have been implemented. Thus, EPA/MVEL conducted .testing on a
Caterpillar 3208 DIT engine with the intent of providing
correlation data for comparison with similar data developed by
Caterpillar. The intent of this report is to summarize this
testing program.
'II. Engine, Fuels, Test Procedures and Test Plan
The engine that was used in this program was supplied by
Caterpillar, Inc. specifically for this correlation testing.
It was a 240 horsepower, turbocharged, eight cylinder ("V"
configuration) HD diesel. The rated speed of the engine was
2200 RPM and the peak torque occurred at 1500 RPM.
The fuel used was a Phillips Reference DF2 known as lot
G-075. A copy of the fuel analysis is included in the
Appendix. The fuel was presented to the engine at 0 to 0.5 psi
and at a temperature less than 100°F. All Federal Test
Procedure regulations were used in this testing. The engine
was shutdown by deenergizing the fuel solenoid and simultaneous
dynamometer dial-down. The restrictions were set at an inlet
depression of 20.0 inches water and an exhaust backpressure of
3.0 inches mercury. The restrictions were checked after
testing was completed and found to be very close to the initial
settings.
The test plan for this engine (a copy of which is
included in the appendix) called for setting up the engine
using the normal engine set-up procedures. This was followed
by three sets of a) one cold start and three hot starts, b)
check restrictions and c) natural cool down. Emissions during
four steady state modes were also taken.
III. Results
The results from this work are presented in Tables 1
through 5. The reader is encouraged to review these tables,
using the following narrative to assist in interpreting the
data highlights contained therein.
Table 1 presents the key torque lug map data and
resultant integrated reference brake horsepower from both
labs. A review of this data shows that Caterpillar mapping
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-3-
resulted in more torque, which made the Caterpillar integrated
horsepower results about 4 percent higher than those of EPA.
Table 2 presents the EPA lab's composite cold start/hot
start data which are the "certification" type results for this
engine. In comparing the EPA data with that from Caterpillar
Cell 224, good correlation is seen for CO, NOx and BSFC.
Caterpillar's HC is somewhat high, but this may represent
normal engine variability. Caterpillar's particulate value
seems to be somewhat lower than that of EPA. In reviewing the
comparison between EPA and Caterpillar's Cell 218, there is
good correlation for HC, CO and NOx but poor correlation on
particulate and BSFC.
Table 3 presents the cold start results. In comparing
the results from EPA with those from Cell 224 for CO, and NOx,
there is good correlation. The Cell 224 data trends towards
higher HC and BSFC while particulate trends lower. In Cell
218, the HC is lower as well as BSFC. Particulate is
significantly lower.
Table 4 presents the hot start data. Again, in Cell 224
there is generally good agreement between the Caterpillar and
EPA data with the exception of the particulate results, where
Caterpillar's data are about 14 percent lower than that of
EPA. In looking at the results from Caterpillar's Cell 218,
there is good correlation with HC, CO and NOx but poor
correlation with particulate and BSFC. Table 5 presents steady
state data taken at EPA. Caterpillar did not supply comparable
steady state data for comparison.
IV. Conclusions
The following conclusions can be drawn from this work:
There was a lack of agreement between the two labs
with regards to their lug map and associated
reference brake horsepower integration, the source
of which is unknown. However, such differences
can lead to emissions differences.
There is generally good agreement between the labs
on CO and NOx. Hydrocarbon agreement is marginal
but may be within engine variability.
There is an unexplained difference in particulate
results between the two labs, with Caterpillar
results being lower than EPA's. Caterpillar Cell
218 particulate results are 20 to 26 percent lower
than those of EPA.
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-4-
BSFC cojrelation is quite close between EPA and
Caterpillar for Cell 224 but is quite poor for
Cell 218. Within the two Caterpillar test cells
there is a significant lack of correlation on this
important engine performance indicator.
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-5-
Table 1 .
Table of Engine Performance Data
From Testing of the-' .
Caterpillar 3208DIT Correlation Engine
Integrated
Curb Max Measured Max. Torque Pt. Reference
Idle, HP, Rated Spd. Speed, Torque, Horsepower,
Lab RPM BHP RPM RPM ft.-lb. BHP
EPA 650 240 2157 1468 695.6 15.920
CAT
Cell
218 580 248 2188 1445 717.4 16.555
CAT
Cell
224 575 244 2181 1275 721.0 16.56
Table 2
Table of Composite Transient Test Results
from the Caterpillar 3208DIT Correlation Engine
Composite Transient
En
Lab
EPA
mean 0.50 1.71 5.25 0.44 0.407
Caterpillar
Cell 224
mean 0.56 1.72 5.53 0.39 0.411
% diff.* 12.0 0.6 5.3 -11.4 1.0
Cell 218
mean 0.51 1.63 5.36 0.35 0.387
% diff.* 2.0 -4.7 2.1 -20.4 -4.91
Emissions, g/BHP-hr.**
HC
0.51
0.49
CO
1.67
1.75
NOx
5.13
5.36
Part.
0.41
0.47
**BSFC,
Ib./BHP-hr.
0.396
0.418
* relative to EPA
** The EPA tests numbers were 3020 plus 3021 and 3024 plus
3025, respectively
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-6-
Table 3
Table of Cold Start Emission Results
from the Caterpillar 3208DIT
Correlation Engine
Test
Facility
EPA
mean
cov %
Test
No.
3019
3020
3024
Transient Emiss
HC
0.
0.
0.
0.
8.
84
77
71
77
45
2
2
2
2
2
CO
.47
.42
.33
.41
.94
5
5
5
5
2
ion,
NOx
.24
.25
.50
.33
.76
g/BHP-hr
Part.
0
0
0
0
4
.51
.48
.52
.50
.16
BSFC,
Ib/BHP-hr
0
0
0
0
2
.403
.407
.426
.412
.983
Caterpiliar
Cell 224
mean
% diff.*
Cell 218
mean
% diff.*
0.84
9 . 1
0. 67
13 .0
2 .49
3 .3
2 .28
-5.4
5 .62
5.4
5.49
3 .0
0
-6
47
,0
0.37
-26 .0
0.430
4.4
0.399
-3.2
relative to EPA
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-7-
Table 4
Table of Hot Start Emission
Results from the Caterpillar
3208DIT Correlation Engine
Test
Facility
EPA
mean
cov %
Test
No.
3021
3022
3023
3025
3026
3027
Transient Emissions,
0
0
0
0
0
0
0
3
HC
.47
.49
.49
.45
.46
.47
.47
.41
CO
1
1
1
1
1
1
1
2
.55
.59
.56
.65
.63
. 66
. 61
.90
5
5
4
5
5
5
5
3
NOx
.11
.02
.99
.34
.38
.38
.20
.54
g/BHP-hr
Part.
0
0
0
0
0
0
0
5
.40
.42
.42
.46
.46
.45
.44
.71
BSFC,
Ib/BHP-hr
0
0
0
0
0
0
0
2
.394
.398
.394
.417
.418
.416
.406
.949
Caterpillar
Cell 224
mean
% diff*
Cell 218
mean
% diff.*
0.51
8.5
0.48
2. 1
56
1
1.50
-6.8
5.
5
49
6
5.32
2.3
0.38
-13.6
0.35
-20.4
0.409
0.7
0.384
-5.4
relative to EPA
-------
Table 5
Table of Steady State Values from
Caterpillar 3208DIT Correlation Engine
Engine
Speed,
RPM
2000
1501
1500
652
Engine
Torque,
ft-lb
502.5
653.0
197.0
0.0
Fuel Rate,
Ib/hr
Measured
67.17
65.77
20.94
2.09
C. Bal.*
57.63
64.02
20.98
1.95
Emissions,
HC
0.166
0.099
0.384
(19.92)
CO
0.392
1.287
1.430
(46.63)
g/BHP-hr
NOx
5.089
4.742
4.729
(44.84)
**
CO 2
434.17
493.49
535.46
(2685.
* Carbon Balance
** The 600 RPM, 0 ft-lb (idle) mode emissions data are
enclosed in parenthesis and are in g/hr.
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-9-
Appendix
Table of Contents
EPA Torque Map - Table
Diesel Fuel Analysis Results (G-075)
Caterpillar Torque Map Cell 218 - Table
Caterpillar Torque Map Cell 224 - Table
Caterpillar Emissions Results
EPA Individual Emissions Test
Summary Sheets
Caterpillar Communications
Engine Testing Plan
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ENGINEERING OPERATIONS DIVISION
Fuel Analysis Report
type of Fuel: Diesel 12
Proposed Use(' s): Diesel Testing - Certification, VCD, EF
Supplier: Phillips Chemical Go. Batch Number: DOT Reference Fuel, G-075
Quantity: 3,500 gallons Date of Delivery: 4-02-84
Sample Analyses
Date Sampled: N/A 4-2-84 4-2-84
Source of Sample: N/A Tank 5 Tank 5
Date Tested: 3-23-84 4-3-84 4-17-84
Tested By: Phillips BCD Chromaspec
Item Method Target Measured Values Comments
Distillation ASTM D-86
Init. Boiling Pt. (°F) 340-400 375 370 374
5% Point (eF) 401 402
10% " " 400-460 431 418 420
20% " " 443 443
30% " " 463 462
40% "" 482 480
50% " " 470-540 505 508 496
60% "" 517 516
70% " " -- 539 536
80% " ' 564 560
90% " " 550-610 598 596 594
95% " " 629 627
End Point ("F) 580-660 653 648 650
Sulfur (wt%) ASTM D-1266 0.2-0.5 0.35 0.36
Viscosity (CS) ASTM D-445 2.0-3.2 2.52 2.09
Flash Point °F ASTM D-93 130 Min 162 -- 164
Aromatics, % ASTM D-1319 27 Min 32.1 29.6 33.9
-------
-2-
Cetane Number
SSTM D-613 ' 42-50 46.2
Oxidation Stability(mg/100ml) ASTM D-2274
H20 (Wt %)
C/H Ratio.
1.5 Max
45.2
0.34 See Note
API Gravity (API Units)
ASTM D-287
33 - 37 35.2 35.3
35.1
FUEL HANDLING HISTORY
Majority Batch
Minority Batch
Date Location
4-02-84 Tank #5
4-16-84 Tank #5
Identification Tank Mixed Gal Delivery^Date Batch #
#2 Diesel Fuel 5 3500 4-02-84 G-075
#2 Diesel Fuel 469 1-19-84 C-747
STATUS OF SUPPLY
Amount Date Location Amount
3969
3752
NOTE: This is a DOD Standard for Diesel t2 (EPA has no specification).
Fuel contains 30 ptb of Dupont FQA # 11 antitoxidant to enhance stability.
#6345B (Pages 9-10)
-------
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IS THE LUG MA? VALID ACCGRDING TG EPA SPEC Ir I CAT IGN3? 'Y r N )
ENTER THE MEASURED RATED SPEED,
ENTER A COMMAND (LC "^Q LIST CG^MANDS) .
AUTOMATED ""GR'VANLJAL "E-X'TSSIONS (A',M)?'
ENTE3 TEST DATE (DAY-hQ-Y:?) 14-JAN-2S
EN~ER ENGINE TYPE 320ST/240KP
ENTEP ENGINE" SERIAL"NUIIBER 2210423
ENTER F?UN NUMBER PRATS21S
£N~ER CELL NUMBER .....]._. .....213
C;..GSED RACK ADJUSTMENT G-TIG'-iS!
L = f-D iv:uDIFICATION DF LAET "LC3ED RACK VALUE
? = SET TO ""NZXT" POINT"
3 - SET TO "ZERO"
4 - SET TG ''NEXT PC-1-N'T/2''
EN"ER CLGSED'RACK ADJUST>I\- G^TIGN (i'.-2.-3r4): 2
USE FREE IDLE INSTEAD GF LI- :D;_E? (Y, iv) Y
E.VTER THE S.-'EED CGNTRGL TI -~ LAG. (EECGriDS)
ENTER THE TGREUE CGNTPGL. "':-'' LAG. (SECONDS)
RR EES ~G START 3A/.:--:?, HYDR G-CAR3GN3
.-\RES3 TG 3rART CY7. :
IF YOU WANT TO STOP THE RL- , T.-:"R 'S'.
-------
'MAP' DELETES PREVIOUS CYCLE DATA TO GET READY FOR A NEW TEST.
DiT Y3U UANT TO CHANGE YOUR COMMAND? (Y,N> N!
ENTER TEST DATE (DAY-MO-YR) 02-DEC-S5
ENTER ENGINE TYPE 3208T/240H?
ENTER ENGINE SERIAL NUMBER 2210423/1A7309
ENTER CELL NUMBER 224
PRESS WHEN THE ENGINE IS AT FREE IDLE SPEED.
MEASURED FREE IDLE SPEED IS S35.' RPM. IS IT OK? CY,N>
ENTER MINIMUM SPEED. -(RFM) 575
ENTER MAXIMUM SPEED. (RP!1) 2475
PRESS TO START RUNMIMG THE LUG MAD.
IF YOU x'A,\'T 70 STDP THE RUN!, ENTER 'S'.
DO YOU ;.:ANT A LISTING OF THE LUG MAP? ( Y , N!) Y
jvt T |\i - .vij iv; cocrirn = 375 . o MA/'7M-!J''1 SPEED - 'Z4~'5
SPEED (RPK) TORGUE (N>'1; PC^ER (BHD'
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S3 0.3
830, 3
320,3
322 = 9
322. 0
315, 1
313. 1
317. 1
304.4
207.2
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902 , 4
£02 = 9
7-3.5
7S7.0
725 . 1
731 , 3
7S4.3
77S.4
772.0
732 , 3
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233.3
233.4
233 . 5
240.3
233.3
241 .7
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242.0
242. S
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241 . G
240.3
240.7
240.3
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241 .3
242 . 5
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-------
2448.3 -181.1 -62.3
2443.3 -181.1 -S2.3
2448.3 -182.1 -S2.G
2451.7 -1E2.G -G2.S
2448.B -182.3 -3Z.8
IS THE LUG MAP VALID ACCORDING TO EPA SPECIFICATIONS? (Y/N)
ENTER THE MEASURED RATED SPEED. (RPM) 2200
ENTER A COMMAND (LC TO LIST COMMANDS). T
ENTER TEST DATE (DAY-MO-YR) 02-DEC-S5
ENTER ENGINE TY?^ 320S":"/2/:'-O
ENTER ENGINE SERIAL NUMBER 1A7305/2Z10423
ENTER RUN NUMEES ?RAT#1
ENTER CELL NUMBER 224
2 = SET TO "NEXT POINT'1
-- = 3rT TH "\::"XT "CINT/21'
ENT^R CLOSED :^ACK ADJUS"T/:ENT C.-TIC"-,'
L5E ^REE IDLE INSTEAD GF" LCX IDLE? ' Y, ;\)
ENTER THE "GR3UE CCN""RQL "TIME LAG, (SECGN'2 S '
::RESS <;~.E"TUR.\'- TG STAR" C"ILE
ENTER RUN NUM3-ER ?RA~^1
CLCSEI? RACX "OJ-JuTMEMT G^~IC:N£:
< ^! '"^ M r*. ^! T IT T " q T T n [' n p i /> T ."" i? r: r-. : j .:-. " '.' a /; : i .:
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A - S:T~ T,T "*,--"X"" --Q ~ VT/*? "
Z?^'TE:R CLOSED RACK ?DJU3T:-iENT 2PTIC:\ ( 1 .- 2 : 2 , 4 ) I 2
l\^c -pcrnr ;:DLE INSTEAD" Cr LGW IDLE? ( Y, ';) '
CNTRCL '-"l-'z LAG. ( S E 0 N -
-------
Tnorn Ca^erp\\lar Tractor Co.
<£i o-T -LHe ~ ~
correla-t
-------
HD-863019
730 CT3208TURBOCORR2
CS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-24-86 TIME: 09:31:55 HD-863019
TEST NUMBER: HD-863019
TEST DATE/TIME: 4-22-86 13
AMBIENT DATA
BAROMETER (DRY).: 29.00
DRY BULB TEMPERATURE: 71.20
ABSOLUTE HUMIDITY: 45.61
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
BACKGROUND. PPM
EXHAUST »BKG , GM
NLT , GM/BHP-HR
NOX (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
:49
"HG
F
GRAINS H20
CS
3.93
16.31
0.841
0.00
37 .47
2.47
0.00
85.60
5.238
0.036
9751 .68
576.5
0. 167000 0
0. 167100 0
0. 165900 0
0. 171500 0
MANUFACTURER:
ENGINE ID:
/ LB. DRY AIR
c,
7
HS WTD TEST
0.00
0.0
0.000 0.
0.00
0.00
0.00 2
0.00
0.0
0.000 5.
841
.47
238
0.000
0.00
0.0 576.5
.000000
.000000
.000000
.000000
CATERPILLAR
730 CT3208TURBOCORR2
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
BRAKE HORSEPOWER-HOUR
0.51
0.00
6.12 0.00
0.403 0.000
15.182
0.000
0.51
6.12
0.403
15.182
CYCLE STATISTICS CS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: + -5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP-HR)
REFERENCE
% DIFFERENCE
HS
1 176 0
0.99700 0.00000
4.531 0.000
17.968 0.000
0.99920 0.00000
828 0
0.97425 0.00000
-4.020 0.000
6.055% 0.000%
0.94044 0.00000
827 0
0.99046 0.00000
-2.089 0.000
5.850% 0.000%
0.94338 0.00000
15. 182
15.920
-4.64%
0.000
0.000
0.00%
HD-863019
CS
730 CT3208TURBOCORR2
DATE: 04-24-86 TIME: 09:31:55 HD-863019
-------
HD-863020
730 CT3208TURBOCORR2
CS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-24-86 TIME: 09:45:09 HD-863020
TEST NUMBER: HD-863020
TEST DATE/TIME: 4-23-86 8: 1
AMBIENT DATA
BAROMETER (DRY):
DRV BULB TEMPERATURE:
ABSOLUTE HUMIDITY:
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
NOX (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
29.20 "HG
73.20 F
52.06 GRAINS H20
CS
3.93
15.17
0.766
0.00
36.66
2.42
0.99
87 . 21
5. 248
0.038
9870.58
581 .9
0 . 164400 0
0. 164400 0
0. 171300 0
0. 176450 0
0.48
6.16
0.407
MANUFACTURER: C/
ENGINE ID: 7C
/ LB. DRY
AIR
HS WTD TEST
0.00
0.0
0.000
0.00
0.00
0.00
0.00
0.0
0.000
0.000
0.00
0.0
.000000
.000000
.000000
.000000
0.00
0.00
0.000
0.766
2.42
5.248
581 .9
0.48
6. 16
0.407
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
15.144
0.000
15.144
CYCLE STATISTICS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP
REFERENCE
% DIFFERENCE
CS
HS
-HR)
1 176
0.99548 0.
5.315
17.858
0.99921
817
0.98309 0
-7.235
6.290%
0.93848 0
816
0.99434 0
-2.543
6.159%
0.93943 0
15.144
15.920
-4.87%
0
00000
0.000
0.000
.00000
0
.00000
0.000
0.000%
.00000
0
.00000
0.000
0.000%
.00000
0.000
0.000
0.00%
HD-863020
CS
730 CT3208TURBOCORR2 0
DATE: 04-24-86 TIME: 09:45:09 HD-863020
-------
HD-863021
730 CT3208TURBOCORR2
HS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-24-86 TIME: 09:48:53 HD-863021
TEST NUMBER: HD-863021
TEST DATE/TIME: 4-23-86 8
AMBIENT DATA
BAROMETER (DRV): 29.20
DRV BULB TEMPERATURE: 73.80
ABSOLUTE HUMIDITY: 50.63
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND. PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
NOX (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
:52
"HG
f
GRAINS H20
CS
0.00
0.00
0.000
0.00
0.00
0.00
0.00
0.00
0.000
0.000
0.00
0.0
0.000000
0.000000
0.000000
0.000000
0.00
0.00
0.000
MANUFACTURER: C/
ENGINE ID: 71
/ LB. DRY
AIR
HS WTD TEST
3.90
10.70
0.474
0.00
23.40
1 .55
0.49
83.55
5. 108
0.037
9582.04
565.8
0. 169600
0. 169700
0.17 1650
0. 175900
0.40
5.96
0.394
0.474
1 .55
5. 108
565.8
0.40
5.96
0.394
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
0.000
15. 106
15.106
CYCLE STATISTICS
CS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP-HR)
REFERENCE
% DIFFERENCE
HS
0 1 176
0.00000 0.99553
0.000 3.188
0.000 17.868
0.00000 0.99921
0 822
0.00000 0.98404
0.000 -8.431
0.000% 6.037%
0.00000 0.94441
0 821
0.00000 0.99143
0.000 -2.688
0.000% 5.972%
0.00000 0.94290
I
0.000 15.106
0.000 15.920
0.00% -5.11%
HD-863021
HS
730 CT3208TURBOCORR2
DATE: 04-24-86 TIME: 09:48:53 HD-863021
-------
HD-863022
730 CT3208TURBOCORR2
HS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-24-86 TIME: 09:49:55 HD-863022
TEST NUMBER: HD-863022
TEST DATE/TIME: 4-23-86 10
AMBIENT DATA
BAROMETER (DRY): 29.30
DRV BULB TEMPERATURE: 74.40
ABSOLUTE HUMIDITY: 49.37
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
(I/. r ,i. . it .',!) . PPM
1 . /.,. ilr.l, . (,M
N! 1 . \MI bill' HR
NOX ( INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
: 25
"HG
F
GRAINS H20
CS
0.00
0.00
0.000
0.00
n.oo
0.00
0.00
0.00
0.000
0.000
0.00
0.0
0.000000 0
0.000000 0
O.OUOOOO 0
0.000000 0
0.00
0.00
0.000
MANUFACTURER:
ENGINE ID:
/ LB. DRY AIR
C/
7:
HS WTD TEST
3.60
10.73
0.492 0.
0 . 24
24 .52
1 . 59 1
0.49
82.64
5.017 5.
0.038
9762. 18
571.5 57
. 165900
. 165900
. 160500
. 165050
0.42 0
6.04 6
0.398 0.
492
.59
017
1 .5
.42
.04
398
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
0.000
15.163
15.163
CYCLE STATISTICS CS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1 .03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP-HR)
REFERENCE
% DIFFERENCE
HS
0 1 176
0.00000 0.99587
0.000 2.257
0.000 17.966
0.00000 0.99920
0 827
0.00000 0.99044
0.000 -7.363
0.000% 5.758%
0.00000 0.95079
0 826
0.00000 1.00209
0.000 -2.524
0.000% 5.480%
0.00000 0.95410
0.000
0.000
0.00%
15.163
15.920
-4.76%
HD-863022
HS
730 CT3208TURBOCORR2
DATE: 04-24-86 TIME: 09:49:55 HD-863022
-------
HD-863023
730 CT3208TURBOCORR2
HS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-24-86 TIME: 13:20:37 HD-863023
TEST NUMBER: HD-863023
TEST DATE/TIME: 4-23-86 1
AMBIENT DATA
BAROMETER (DRV): 29.20
DRY BULB TEMPERATURE: 74.70
ABSOLUTE HUMIDITY: 51.33
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
HAl.KulUjuNt) . PI-'M
t ." > 1AUS I Hr.lj . uM
Nl. I . L-M/UHf'- HR
NOX ( INTEGRATED)
BACKGROUND, PPM
EXHAUS T+8KG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE. GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
1 : 7
"HG
F
GRAINS H20
CS
0.00
0.00
0.000
0. 00
0.00
0. 00
0.00
0.00
0.000
0.000
0.00
0.0
0.000000
0.000000
0.000000
0.000000
0.00
0.00
0.000
MANUFACTURER: C,
ENGINE ID: 7
/ LB. DRY
AIR
HS WTD TEST
3.45
10.55
0.492
0.48
24 . 39
1 .56
0.49
81 . 32
4.988
0.038
9622.80
566. 1
0. 154300
0. 154300
0. 164500
0. 168950
0.42
5.95
0. 394
0.492
1 .56
4.988
566. 1
0.42
5.95
0.394
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
0.000
15.077
15.077
CYCLE STATISTICS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
5TD ERROR
(LIMIT: 100 RPM)
R-SOUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STO ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP
REFERENCE
% DIFFERENCE
CS
HS
0 1 176
0.00000 0.99580
0.000 1.931
0.000 17.852
0.00000 0.99921
0 812
0.00000 0.98433
0.000 -8.893
0.000% 6.058%
0.00000 0.94282
0 811
0.00000 0.99075
0.000 -2.711
0.000% 5.999%
0.00000 0.93994
0.000
15.077
-HR)
0.000 15.920
0.00% -5.30%
j- HhJO.!3
730 CT3208TURBOCORR2 0
DATE: 04-24-86 TIME: 13:20:37 HD-863023
-------
HD-863024
730 CT3208TURBOCORR2
CS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-25-86 TIME: 09:50:52 HD-863024
TEST NUMBER: HD-863024
TEST DATE/TIME: 4-24-86
AMBIENT DATA
BAROMETER (DRY): 29.20
DRV BULB TEMPERATURE: 74.20
ABSOLUTE HUMIDITY: 49.09
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
BACKGROUND, PPM
EXHAUST »BKG, GM
NKT. GM/BHP-HR
NOX (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
8: 24
"HG
F
GRAINS H20
CS
4.68
15.15
0.712
0.00
35.71
2.33
0.49
91 .39
5.499
0.035
10315.84
609.6
0. 164900 0
0. 165000 0
0. 165350 0
0. 170950 0
0.52
6.52
0.426
MANUFACTURER: Ct
ENGINE ID: 73
/ LB. DRY
AIR
HS WTD TEST
0.00
0.0
0.000
0.00
0.00
0.00
0.00
0.0
0.000
0.000
0.00
0.0
.000000
.000000
.000000
.000000
0.00
0.00
0.000
0.712
2.33
5.499
609.6
0.52
6.52
0.426
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
15.316
0.000
15.316
CYCLE STATISTICS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TO)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP
REFERENCE
% DIFFERENCE
CS
HS
1 176 0
0.99624 0.00000
3.104 0.000
17.900 0.000
0.99921 0.00000
828 0
0.99442 0.00000
-4.011 0.000
5.676% 0.000%
0.95321 0.00000
827 0
1.01022 0.00000
-1.909 0.000
5.243% 0.000%
0.96034 0.00000
-HR)
15.316
15.920
-3.79%
0.000
0.000
0.00%
HD-8b3024
CS
730 CT3208TURBOCORR2 0
DATE: 04-25-86 TIME: 09:50:52 HD-863024
-------
HD-863025
730 CT3208TURBOCORR2
HS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-25-86 TIME: 09:54:48 HD-863025
TEST NUMBER: HD-863025
TEST DATE/TIME: 4-24-B6
AMBIENT DATA
BAROMETER (DRV): 29.20
DRY BULB TEMPERATURE: 72.40
ABSOLUTE HUMIDITY: 49.91
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
NOX (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET. GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
8:59
"HG
F
GRAINS H20
CS
0.00
0.00
0.000
0.00
0.00
0.00
0.00
0.00
0.000
0.000
0.00
0.0
0.000000
0.000000
0.000000
0.000000
0.00
0.00
0.000
MANUFACTURER: C,
ENGINE ID: 7
/ LB. DRY
AIR
HS WTD TEST
3.97
10.37
0.448
0.00
24.94
1 .65
0.00
86.02
5.337
0.035
10034.50
598.7
0. 166950
0. 167000
0. 164300
0. 169200
0.46
6.31
0.417
0.448
1 .65
5.337
598.7
0.46
6.31
0.417
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
0.000
15.131
15.131
CYCLE STATISTICS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
Y-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP
REFERENCE
% DIFFERENCE
CS
HS
-HR)
0
0.00000
0.000
0.000
0.00000
0
0.00000
0.000
0.000%
0.00000
0
0.00000
0.000
0.000%
0.00000
0.000
0.000
0.00%
1 176
0.99582
-3.197
17.861
0.99921
809
0.99191
-6.671
5.750%
0.95073
808
1.00294
-2.433
5.420%
0.95435
15.131
15.920
-4.96%
HD-863025
HS
730 CT3208TURBOCORR2 0
DATE: 04-25-86 TIME: 09:54:48 HD-863025
-------
HD-863026
730 CT3208TURBOCORR2
HS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-25-86 TIME: 09:55:53 HD-863026
TEST NUMBER:
TEST DATE/TIME:
AMBIENT DATA
BAROMETER (DRY):
DRY BULB TEMPERATURE
ABSOLUTE HUMIDITY:
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
CO (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
NOX (INTEGRATED)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE,
SECONDARY PART,
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
BRAKE HORSEPOWER-HOUR
HD-863026
4-24-86
29. 20
IRE: 73.80
49.32
GM
GM
1
1
9:39
"HG
F
GRAINS H20
CS
0.00
0.00
0.000
0.00
0.00
0.00
0.00
0.00
0.000
0.000
0.00
0.0
0.000000
0.000000
0.000000
0.000000
0.00
0.00
0.000
MANUFACTURER
ENGINE ID:
/ L8. DRV AI
HS WTD
3.75
10.35
0.462 0
0.00
24.60
1 .63
0.00
86.44
5.377 5
: C
7
R
TEST
.462
1 .63
.377
0.036
10050.74
600.7 600.7
0. 154900
0. 155000
0. 156000
0. 160900
0.46
6. 30
0.418 0
0.46
6.30
.418
CATERPILLAR
730 CT3208TURBOCORR2
0.000
15.069
15.069
CYCLE STATISTICS CS HS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
V-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT: 0.77/0.83-1.03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
V-INTERCEPT
(LIMIT: + -5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK '
ACTUAL 0.000 15.069
(LIMIT: -15%-5% REF BHP-HR)
REFERENCE
% DIFFERENCE
0 1 176
0.00000 0.99407
0.000 -1.460
0.000 17.699
0.00000 0.99922
0 817
0.00000 0.98947
0.000 -7.809
0.000% 5.748%
0.00000 0.95054
0 816
0.00000 0.99682
0.000 -2.522
0.000% 5.408%
0.00000 0.95427
0.000 15.920
0.00% -5.35%
HD-863026
HS
730 CT3208TURBOCORR2 0
DATE: 04-25-86 TIME: 09:55:53 HD-863026
-------
HD-863027
730 CT3208TURBOCORR2
HS
HEAVY DUTY DIESEL TRANSIENT ENGINE TEST
DIESEL SUMMARY REPORT
DATE: 04-25-86 TIME: 09:59:09 HD-863027
TEST NUMBER: HD-863027
TEST DATE/TIME: 4-24-86 10
AMBIENT DATA
BAROMETER (DRY): 29.20
DRV BULB TEMPERATURE: 75.10
ABSOLUTE HUMIDITY: 47.60
EMISSION RESULTS
HC (INTEGRATED)
BACKGROUND, PPM
F.XHAUST + BKG, GM
NET, GM/BHP-HR
CO (BAG)
Hfli f .i.,H -,,> , IH-M
:-'i". . : ill- o , uM
Nt 1 . IjM,' bill' -MR
NDX (INT EGRAT ED)
BACKGROUND, PPM
EXHAUSl' + BKG, GM
NET. GM/BHP-HR
C02 (BAG)
BACKGROUND, PPM
EXHAUST+BKG, GM
NET, GM/BHP-HR
PARTICULATE
SECONDARY TARE, GM
SECONDARY PART, GM
PRIMARY TARE, GM
PRIMARY PART, GM
TOTAL, GM/BHP-HR
FUEL CONSUMPTION
LBS
LBS/BHP-HR
:20
"HG
F
GRAINS H20
CS
0.00
0.00
0.000
0.00
0.00
0.00
0.00
0.00
0.000
0.000
0.00
0.0
0.000000 0
0.000000 0
0.000000 0
0.000000 0
0.00
0.00
0.000
MANUFACTURER: C
ENGINE ID: 7
/ LB. DRY
AIR
HS WTD TEST
3.52
10.32
0 .474
0.00
24 .92
1 .66
0.00
86.68
5.383
0.036
9986.92
597.5
. 156700
. 156800
. 154500
. 159300
0.45
6. 26
0.416
0.474
1 .66
5.383
597.5
0.45
6. 26
0.416
CATERPILLAR
730 CT3208TURBOCORR2
BRAKE HORSEPOWER-HOUR
0.000
15.032
15.032
CYCLE STATISTICS
SPEED
NUMBER
SLOPE
(LIMIT: 0.97-1.03)
V-INTERCEPT
(LIMIT: +-50 RPM)
STD ERROR
(LIMIT: 100 RPM)
R-SQUARE
(LIMIT: 0.97)
TORQUE
NUMBER
SLOPE
(LIMIT : 0.77/0.83-1 .03)
Y-INTERCEPT
(LIMIT: +-15 FT-LBS)
STD ERROR
(LIMIT: 13% MAX ENG TQ)
R-SQUARE
(LIMIT: 0.85/0.88)
POWER
NUMBER
SLOPE
(LIMIT: 0.87/0.89-1.03)
Y-INTERCEPT
(LIMIT: +-5 BHP)
STD ERROR
(LIMIT: 8%)
R-SQUARE
(LIMIT: 0.91)
WORK
ACTUAL
(LIMIT: -15%-5% REF BHP
REFERENCE
% DIFFERENCE
CS
HS
0 1 176
0.00000 0.99599
0.000 -4.731
0.000 17.828
0.00000 0.99921
0 798
0.00000 0.98299
0.000 -8.118
0.000% 5.993%
0.00000 0.94259
0 797
0.00000 0.98968
0.000 -2.621
0.000% 5.712%
0.00000 0.94369
-HR)
0.000 15.032
0.000 15.920
0.00% -5.58%
HD-863027
HS
730 CT3208TURBOCORR2 0
DATE: 04-25-86 TIME: 09:59:09 HD-863027
-------
Contacts
Communication From Cat.
Mike Thornton
Doug Young
Bill Strawbridge
Address:
(309) 578-6611
(309) 578-6889
(309) 578-8592
Caterpillar
Technical Center
Building L
Mossville, IL 61552
Engine
3208 DIT S/N D2Z 10423
Rating
Peak Torque
Hi Idle
Low Idle
240 BHP @ 2200 RPM
700 Ft LB @ 1500 RPM
2400 RPM
700 RPM
Restrictions
Set at 2200 RPM and full throttle
Lug Map and Transient Emissions
Inlet
Exhaust
-20.0" H20 (-1.5" Hg)
40.8" H20 (3.0n Hg)
Transient Smoke
inlet
Exhaust
-25.0" H20 (-1.8" Hg)
40.8" H20 (3.0" Hg)
Lube Oil
SAE 30 wt CD Type
(Engine Shipped Full)
Fuel System
Maximum Allowable Restrictions To Inj Pump 8.0" Hg
-------
Engine Shut Down .
De-energize Fuel solenoid
(Energize To Run - 12v)
Air inlet Flapper Valve - Back Up
Dyno Not Used unless Panic Shut Down
-------
Test Plan At CTCo
Check Power @ WDT 2200 + 1500 RPM
Minimum Restrictions
30°C Fuel to Engine
25°C Air to Engine
Repeat Above With: -20.0" H20 Inlet
40.8" H20 Exhaust
38°C Fuel to Engine
25°C Air to Engine
Lug Map (Reference Work Within +_ 2%)
Practice Cycles To Assure Acceptable:
Cycle Statistics
Temperatures
Pt. Sampler Flows
Run 1 Cold, 3 + Hot Tests
At Completion of Days Testing, Run
At 2200 RPM WOT Thru
Tunnel to Check Restrictions, Repeat
Return to Idle, Shut Down 3+ Days
Cold Soak Using Appropriate Methods
Average All Hot Test values For Comparison
-------
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
K ' ANN ARBOR. MICHIGAN 48105
OFFICE OF
AIR. NOISE AND RADIATION
MEMORANDUM
SUBJECT: Caterpillar Correlation Engine Testing Plan
FROM: Thomas M. Baines, Heavy Duty Programs Coordinator
Standards Development and Support Branch s\
TO: Charles L. Gray, Jr., Director
Emission Control Technology Division
THRU: Richard A. Rykowski, Senior Project Manager
Standards Development and Support Branch
Chester J. France, Chief
Standards Development and Support Branch
1. Introduction
The Selective Enforcement Audit (SEA) group in QMS/MOD
places a very high importance on correlation data between a
manufacturers' SEA heavy duty test cell and the EPA/MVEL heavy
duty test cell. Thus, they have requested that EPA test an
engine from Caterpillar to correlate the testing facilities at
both laboratories. The testing of a Caterpillar engine is of
great importance to Caterpillar- in that they will use. this
engine as a calibration engine for their test cells. This test
plan is for the testing of this engine.
2. Objective
The objective of this work is to test the Caterpillar
engine for correlation purposes and supply the data to MOD/SEA
and Caterpillar.
3. Project Scope of Work
Engine. 3208 Turbocharged. The remaining engine
information will be supplied by the manufacturer before testing.
-------
Work Description.
Check power @ WOT, 2200 & 1500 rpm - no restrictions
Set restrictions
Check power @ WOT, 2200 & 1500 rpm
Map engine.
One Hot Start transient for cycle performance"and data
to compare to engine history
Natural cool
1 C/S, 3 H/S
2200 RPM, WOT, check restrictions
Natural cool
1 C/S, 3 H/S
2200 RPM, WOT, check restrictions
Natural cool
1 C/S, 3 H/S
2200 RPM, WOT, check restrictions
Steady states - Speed, RPM Load, ft-lb
2000 500
1500 650
1500 200
700 0
Test data taken.- All usual emissions and performance
4. Output
Report memo transmitting data to MOD. This report will be
to the Project Manager within six working days of test
completion.
5. Timing
The engine has arrived at our facility. This engine
should be tested in the next most convenient time slot. It is
suggested that it be tested after the Daimler-Benz engine has
been completed.
6. Level of Effort; technicians 100 hours, engineering 20
hours.
-------
7. Additional Comments. The project area for this work
should be "SEA + HD recall".
8. Review/Approval
Review:
Lee Jones
Date
Reviewed /with Technicians?
Approval;
Charles L. Gray, Jr.
Date
Priority
------- |