C18 ACERT™
Industrial Engine
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
CAT® ENGINE SPECIFICATIONS
I-6, 4-Stroke-Cycle Diesel
Bore......................................................145.0 mm (5.71 in)
Stroke.....................................................183.0 mm (7.2 in)
Displacement..................................... 18.1 L (1,104.53 in3)
Aspiration...............................Turbocharged Aftercooled
Compression Ratio...................................................16.3:1
Rotation (from flywheel end).............. Counterclockwise
Weight, Net Dry (approximate)............ 1769 kg (3900 lb)
Image shown may not reflect
actual engine
FEATURES
Emissions & Regulations
Meets U.S. EPA Tier 3, EU Stage IIIA and China
Stage II emissions requirements.
Full Range of Attachments
Wide range of bolt-on system expansion
attachments, factory designed and tested.
Worldwide Supplier Capability
Caterpillar
- Casts engine blocks, heads, cylinder liners, and
flywheel housings
- Machines critical components
- Assembles complete engine
- Factory-designed systems built at Caterpillar ISO
9001:2000 certified facilities
Ownership of these manufacturing processes
enables Caterpillar to produce high quality,
dependable product.
Unmatched Product Support Offered Through
Worldwide Caterpillar Dealer Network
More than 1,800 dealer outlets
Caterpillar factory-trained dealer technicians service
every aspect of your industrial engine
99.7% of parts orders filled within 24 hours
worldwide
Caterpillar parts and labor warranty
Preventive maintenance agreements available for
repair before failure options
Testing
Prototype testing on every model:
- proves computer design
- verifies system torsional stability
- functionality tests every model
Every Caterpillar engine is dynamometer tested
under full load to ensure proper engine
performance.
Scheduled Oil Sampling program matches your oil
sample against Caterpillar set standards to
determine:
- internal engine component condition
- presence of unwanted fluids
- presence of combustion by-products
Web Site
For all your industrial power requirements, visit
www.cat-industrial.com.
29 June 2012
2:27 AM
C18 ACERT™
Industrial Engine
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
STANDARD ENGINE EQUIPMENT
Air Inlet System
Turbocharged Aftercooled -- 429-470 bkW (575-630
bhp)
Twin Turbocharged Aftercooled -- 522-597 bkW
(700-800 bhp)
ATAAC
Charging System
Charging alternator 24 volt, 50 amp
Control System
Electronic governing
PTO speed control
Programmable ratings
Cold mode start strategy
Automatic altitude compensation
Power compensation for fuel temperature
Programmable low and high idle and total engine
limit
Electronic diagnostics and fault logging
Engine monitoring system
J1939 Broadcast (diagnostic and engine status)
ADEM™ A4
Flywheels and Flywheel Housing
SAE No. 1 Flywheel housing
Fuel System
MEUI injection
Fuel filter, secondary (2 micron high performance)
Fuel transfer pump
Fuel priming pump
ACERT™ Technology
Lube System
Crankcase breather
Oil cooler
Oil filler
Oil filter
Oil pan front sump
Oil dipstick
Oil pump (gear driven)
General
Paint, Caterpillar Yellow
Vibration damper
Lifting eyes
Cooling System
Thermostats and housing, vertical outlet
Jacket water pump, centrifugal
Water pump, inlet
Exhaust System
Exhaust manifold, dry
Optional exhaust outlet
2
29 June 2012
2:27 AM
C18 ACERT™
Industrial Engine
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
PERFORMANCE CURVES
IND - C (Intermittent) - DM7699-02
Torque
N•m
Metric
Engine
Power kW
BSFC
g/kW-hr
Engine Speed - rpm
Engine Speed Engine Power
rpm
kW
2100
2000
1900
1800
1700
1600
1500
1400
1300
1200
1100
470
470
470
470
465
455
441
422
387
309
258
Torque N•m
2137
2244
2362
2493
2611
2714
2807
2879
2842
2457
2243
BSFC g/kW-hr Fuel Rate L/hr
233.8
229.9
224.5
218.9
214.5
212.5
211.4
210.7
210.3
211.3
214.4
131.0
128.8
125.8
122.6
118.8
115.2
111.1
106.0
97.0
77.8
66.0
3
29 June 2012
2:27 AM
C18 ACERT™
Industrial Engine
RATINGS AND CONDITIONS
IND - C (Intermittent) Intermittent service where
maximum power and/or speed are cyclic (time at full
load not to exceed 50%).
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
Engine Performance Diesel Engines — 7 liter and
higher
All rating conditions are based on SAE J1995,
inlet air standard conditions of 99 kPa (29.31 in. Hg)
dry barometer and 25ºC (77ºF) temperature.
Performance measured using a standard fuel with
fuel gravity of 35º API having a lower heating value
of 42,780 kJ/kg (18,390 btu/lb)when used at 29º C
(84.2º F) with a density of 838.9 g/L.
Engine Dimensions
(1) Length
(2) Width
(3) Height
1388.2 mm
920.7 mm
1242.8 mm
Performance Number: DM7699-02
Feature Code: C18DI01 Arr. Number: 2371955
Materials and specifications are subject to change without notice.
16287251
Note: Do not use for installation design.
See general dimension drawings for
detail (Drawing # 2588747 ).
© 2012 Caterpillar
All rights reserved.
The International System of Units (SI) is used in this publication.
CAT, CATERPILLAR, their respective logos, "Caterpillar Yellow," the
"Power Edge" trade dress, as well as corporate and product identity
used herein, are trademarks of Caterpillar and may not be used
without permission.
C18 ACERT™
Industrial Engine
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
Performance Data
IND - C (Intermittent) DM7699-02
Aftercooler Temperature 49.0 ºC (120.0 ºF)
Metric
Engine
Engine
BSFC
Fuel Rate
Intake
Intake Intake Air Exh Manif Exh Stk
Speed rpm Power kW g/kW-hr
L/hr
Mainfold
Manf
Flow
Temp ºC Temp ºC
Temp ºC Press kPa m3/min
2100
1900
1700
1500
1300
1100
470
470
464.8
440.9
386.9
258.4
233.8
224.5
214.5
211.4
210.3
214.4
131.0
125.8
118.8
111.1
97.0
66.0
49.0
50.1
47.6
45.3
39.9
32.4
176.6
183
183
183.2
159.1
92.2
43.8
41
37.5
33.7
27.3
17.4
668.5
659.5
648.1
652.7
665.1
689.6
522.4
514.2
501.3
500.9
524.3
545.2
Exh Gas
Flow
m3/min
Engine
Torque
N.m
122.6
113.7
102.3
91.5
76.4
50
2,137
2,362
2,611
2,807
2,842
2,243
1,481
1,637
1,810
1,945
1,970
1,555
Heat Rejection Data
Engine
Speed rpm
Engine
Power kW
2100
1900
1700
1500
1300
1100
470
470
465
441
387
258
Rej to JW Rej to Atmos Rej to Exh From Aft Clr
kW
kW
kW
kW
160
152
145
139
122
88
124
123
118
116
89
99
5
533
495
445
404
346
234
107
97
88
80
61
27
29 June 2012
2:27 AM
C18 ACERT™
Industrial Engine
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
Performance Data
IND - C (Intermittent) DM7699-02
Engine
Engine
Speed rpm Power hp
2100
1900
1700
1500
1300
1100
630
630
623
591
519
347
BSFC
lb/hp-h
Aftercooler Temperature 49.0 ºC (120.0 ºF)
English
Fuel Rate
Intake
gph
Mainfold
Temp ºF
0.384
0.369
0.353
0.348
0.346
0.352
34.6
33.2
31.4
29.3
25.6
17.4
120.0
122.0
118.0
114.0
104.0
90.0
Intake
Manf
Press
in-hg
Intake Air Exh Manif
Flow cfm Temp ºF
52.3
54.2
54.2
54.3
47.1
27.3
1,546.8
1,447.9
1,324.3
1,190.1
964.1
614.5
1,235
1,219
1,199
1,207
1,229
1,273
Exh Stk
Temp ºF
Exh Gas
Engine
Engine
Flow cfm Torque lb BMEP psi
ft
972
958
934
934
976
1,013
4,329.6
4,015.3
3,612.7
3,231.3
2,698
1,765.7
1,576
1,742
1,926
2,070
2,096
1,654
215
237
263
282
286
226
Heat Rejection Data
Engine
Speed rpm
Engine
Power hp
2100
1900
1700
1500
1300
1100
630
630
623
591
519
347
Rej to JW Rej to Atmos Rej to Exh From Aft Clr
Btu/min
Btu/min
Btu/min
Btu/min
9099
8644
8246
7905
6938
5005
7052
6995
6711
6597
5061
5630
6
30312
28151
25307
22975
19677
13308
6085
5516
5005
4550
3469
1535
29 June 2012
2:27 AM
C18 ACERT™
Industrial Engine
Tier 3/Stage IIIA
470 bkW/630 bhp @ 2100 rpm
Technical Data
Feature Code C18DI01 Arr. Number 2371955
General Engine Specifications
Number of cylinders & arrangements
Cycle
Bore
Stroke
Displacement
Compression ratio
Combustion system
Aspiration type
Rotation (from flywheel end)
Air intake system
Air intake flow rate
Cooling System (Engine Only)
Maximum aftercooler inlet water temperature
Emissions
Certification agency
NOx mg/nm3
NOx g/hp-hr
CO mg/nm3
CO g/hp-hr
HC mg/nm3
HC g/hp-hr
PM mg/nm3
PM g/hp-hr
Exhaust System
Maximum system backpressure (at rated power)
Exhaust flow rate (at rated power)
Exhaust stack temperature (at rated power)
Fuel System
Governor type
Fuel system type
Mounting System
Length overall
Height overall
Width overall
7
DM7699-02
In-line 6
4-Stroke
145.0 mm
183.0 mm
18.1 L
16.3:1
Direct Injection
Turbocharged
CCW
(5.71 in)
(7.2 in)
(1,104.53 in3)
Aftercooled
39.5 m³/min
1,394.9 cfm
49 ° C
120 ° F
EPA T3
1229.5
2.88
189.6
.45
16.1
.04
24.8
.07
10.00 kPa
107.3 m³/min
511.9 ° C
40.20 in. water
3,789.3 cfm
953.4 ° F
Electronic
Electronic unit injection
1388 mm
1243 mm
921 mm
54.65 in
48.94 in
36.26 in
29 June 2012
2:27 AM