Propulsion engines
C32B
The Cat® C32B engine is a powerful and versatile solution for commercial and high performance applications, offering a rated power range of 1200 to 1700 bhp. It meets stringent emissions standards, including IMO II, IMO II/III, and U.S. EPA Tier 4. The Cat C32B engine has an optimized design to enhance power density, deliver more power without significantly increasing size or weight. Additionally, its improved durability reduces maintenance needs and extends operational life, thereby lowering the total cost of ownership. This combination of high-power output, strict emissions compliance, and cost-effective durability makes the Cat C32B engine an excellent choice.
| Power Range | 1200 - 1700 bhp (895 - 1268 bkW) |
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| Speed Range | 1600 - 2300 rpm |
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| Emissions | IMO II, IMO II/III, U.S. EPA Tier 4 |
| Aspiration | Twin Turbocharged - Aftercooled |
| Bore | 5.71 in |
| Stroke | 6.38 in |
| Displacement | 1959.0 in³ |
| Rotation from Flywheel End | Counterclockwise |
| Configuration | V 12, 4-Stroke-Cycle Diesel |
| Approximate Weight | 8050 lb |
| Maximum Height | 70 in |
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| Maximum Width | 61 in |
Air Inlet Systems
- Separate Circuit Aftercooler (SCAC)
Air Inlet System
- Air cleaner (IMO II only)
- Turbochargers, jacket water cooled
- Turbochargers inlet, 152 mm (6 in) OD straight connection
Control System
- Programmable Low Idle (550 - 750 rpm)
- WOSR (Wide Operating Speed Range) available for - A, B, & C Ratings
- Programmable High Idle Limit for WOSR Ratings
- Electronic diagnostics and fault logging
- Engine and transmission monitoring (speed, temperature, pressure)
- Electronic fuel/air ratio control
- Engine Protection Mode for extended ambient conditions
- Torque Limiting functionality for WOSR ratings only
- 70-pin customer connector
- Throttle Input signal options
Cooling System
- Separate Circuit After-Cooling (SCAC) for Heat Exchanged (HEX) & Keel cooled engines
- Jacket Water (JW) and SCAC Heat Exchangers Shell & Tube for HEX cooled engines
- SCAC pump, gear driven
- Jacket water pump, gear driven
- Sea water pump, bronze impeller, gear driven, for HEX cooled engines only
- Sea water Pump & JW Heat Exchanger Connection: 76.2 mm (3 in) ID Standard
- Keel Connections: 76.2 mm (3 in) ID Standard 4 Bolt ANSI Flange Connection
Exhaust System
- 4 Bolt 130 mm (5.12 in) diameter flanged outlet
- Water-cooled exhaust manifold & turbocharger
Flywheels & Flyweel Housings
- SAE standard rotation (CCW facing exciter end)
- Flywheel Housing: SAE No. 0, Flywheel: 18 inch, 136 teeth
Fuel System
- Duplex Fuel Filters, Spin-on, RH & LH service
- Fuel connections size:Supply JIC 37 Deg -10 (7/8-14), Return JIC 37 Deg -8 (3/4-16)
- Fuel transfer pump, gear driven
- Manual fuel priming pump
Lube System
- Simplex Oil Filters, RH or LH service
- Shallow or Deep sump oil pan
- RH or LH service oil filler locations
- RH or LH service dipstick
- Oil pump, gear driven
Mounting System
- Front support
Power Take-Offs
- Front Poly-V groove pulley (Quantity 1) for auxiliary drives
General
- Engine does not ship with zinc components
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Download ↓C32B Marine Commerical Prop Spec Sheet (1200 bhp - 1450 bhp)
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Download ↓C32B Marine Commerical Prop Spec Sheet (1700 bhp)
Need installed dimensions with enclosure and tank? See Model Configurations