Engine Model
Cat® C15 ACERT™
Cat® C27
Cat® C32B
Rated Engine Speed
1800 r/min
1800 r/min
2000 r/min
2000 r/min
Gross Power - SAE J1995:2014
511 hp
381 kW
825 hp
615 kW
1025 hp
765 kW
Net Power - SAE J1349:2011
483 hp
360 kW
783 hp
584 kW
916 hp
683 kW
Net Power - ISO 9249
476 hp
365 kW
791 hp
590 kW
Net Power - 80/1269/EEC
489 hp
365 kW
791 hp
590 kW
Engine Power - ISO 14396
506 hp
377 kW
813 hp
607 kW
Net Torque - SAE J1349
1682 ft-lb
2280 N·m
Bore
5.4 in
137 mm
5.4 in
137 mm
5.7 in
145 mm
Stroke
6.7 in
171 mm
6 in
152 mm
6.4 in
162 mm
Displacement
927.6 in³
15.2 l
1648 in³
27 l
1959 in³
32.1 l
Note (1)
Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Note (3)
No engine derating required up to 3000 m (9,843 ft) altitude.
No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent.
Available as Tier 4 Final/Stage V, or U.S. EPA Tier 2/EU Stage II equivalent.
Note (4)
Meets China Nonroad Stage III emission standards equivalent to Tier 3 or Tier 2.
Meets China Nonroad Stage III emission standards, equivalent to U.S. or U.S. EPA Tier 2.