C32B

Bore
5.71 in / 145 mm
Stroke
6.38 in / 162 mm
Displacement
1959 in³ / 32.1 l

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 enhances 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 Rating
Power Range 1200 - 1700 bhp (895 - 1268 bkW)
Engine Specifications
Speed Range 1600 - 2300 rpm
Emissions IMO II, IMO II/III, U.S. EPA Tier 4
Aspiration Twin Turbocharged - Aftercooled
Bore 5.71 in / 145 mm
Stroke 6.38 in / 162 mm
Displacement 1959 in³ / 32.1 l
Rotation from Flywheel End Counterclockwise
Configuration V 12, 4-Stroke-Cycle Diesel
Approximate Weight 8050 lb / 3650 kg
Dimensions & Weights
Maximum Height 70 in / 1760 mm
Maximum Width 61 in / 1550 mm

Standard Equipment

  • 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

Optional Equipment

  • Air Inlet Systems
    • Air Inlet Adapter
    • Air Inlet Adapter
  • Air Inlet System
    • Air Inlet Cleaner w Fumes Disposal
  • Charging Systems
    • Battery Charger
    • Charging Alternators 70 A / 105 A / 175 A
    • Ammeter
  • Cooling System
    • Marine Gear/Transmission Oil Coolers
    • Connections
    • Jacker Water Heater 120 V or 240 V
  • Exhaust System
    • Dual Elbow
    • Flexible Fitting
    • Dual Muffler
    • Muffler Spark Arresting
    • Flange
  • Instrumentation
    • Engine to Engine Harness
    • Instrument Panels
    • Exhaust Temperature Sensors
    • Wiring Harness
    • Gauges
    • Transmission Sensors
  • Lube System
    • Transmission Oil Cooler
    • Manual Sump Pump
    • Duplex Oil Filters
  • Protection System
    • Fuel and Oil Shielding
  • Starting System
    • Air Starting Motor
    • Air Start Accessories
    • Electric Starting Motors - Single 24 Volt
    • Battery Sets - 24 Volt - Dry
    • Dual Starting Motors (Electric and Air)
  • Fuel System
    • Water Separator
    • Primary Fuel Filter
    • Fuel Cooler
  • Packing
    • Engine Protective Cover
    • Export Packing
    • Storage Preservation
  • Mounting System
    • Front Support
    • Adapter Kits
    • Isolator Mounts
  • Power Take-Offs
    • Front Stub Shaft
    • Rear Hydraulic Pump Drive
  • General
    • Fumes Disposal
  • Control System
    • Instrument Panels
    • Caterpillar Alarm and Protection
    • Fuel and Oil Shielding
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