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Cat C32B HRC Diesel Engine

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Cat C32B HRC Diesel Engine

Overview

Building on the legacy of the C32, the C32B features strengthened
performance critical components like cylinder head, block,
crankshaft, pistons, rods, and main bearings. Its simple,
maintenance free diesel oxidation catalyst (DOC) aftertreatment
meets U.S. EPA Tier 4 Final, EU Stage V, and other equivalent
emissions standards

C32B HRC industrial engine with engine-mounted aftertreatment

C32B HRC industrial engine, aftertreatment not shown

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https://s7d2.scene7.com/is/image/Caterpillar/CM20240911-f7627-9aef5

C32B engines have excellent power density with a peak U.S. EPA Tier 4 Final certified rating of 895 kW (1200 hp) and 839 kW (1125 hp) for EU Stage V. Its U.S. EPA Tier 2 equivalent version offers a peak rating of 1007 kW (1350 hp).
https://s7d2.scene7.com/is/image/Caterpillar/CM20191009-4a013-52e7a

The C32B uses a dual-can diesel oxidation catalyst (DOC) aftertreatment. This maintenance-free, passive aftertreatment solution eliminates the need for thermal management or regeneration. The C32B does not require diesel exhaust fluid (DEF), helping minimize total fluid consumption and eliminating the need for any DEF infrastructure (DEF tank, DEF pump, heated DEF lines, additional electronics, and DEF storage on the jobsite). DOC-only simplifies the aftertreatment solution, helps minimize overall package size, and reduces operation costs.
https://s7d2.scene7.com/is/image/Caterpillar/CM20240911-f7627-9aef5

The C32B boasts strength from the inside out. Weighing approximately 50 kg (110 lb) more than its predecessor, the C32B’s performance critical components have been strengthened and upgraded to help extend time between rebuilds.
Maximum Power
1200hp
Maximum Torque
4056lb-ft @ 1200 rpm
Rated Speed
1800 rpm
Minimum Power
1000hp
Emissions
EU Stage V
Engine Configuration
V-12
Bore
5.7in
Stroke
6.4in
Displacement
1958.9in³
Compression Ratio
15.0:1
Aspiration
Twin Turbocharged Aftercooled (TTA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC
Length
73.8in
Width
63in
Height
53.9in
Weight – Net Dry – Basic Operating Engine Without Optional Attachments
6735lb
Length
45.5in
Width
17.3in
Height
16in
Weight
150lb
  • Air Inlet System
    • Turbocharged
    • Air-to-Air Aftercooled
  • Control System
    • Electronic control system
    • Over-foam wiring harness
    • Automatic altitude compensation
    • Power compensated for fuel temperature
    • Configurable software features
    • Engine monitoring system SAE J1939 broadcast and control
  • Cooling System
    • Thermostats and housing, vertical outlet
    • Jacket water pump, centrifugal
    • Water pump, inlet
  • Exhaust System
    • Exhaust manifold, dry
    • Optional exhaust outlet
  • Flywheels And Flywheel Housing
    • Choice of SAE No. 0 or SAE No. 1 flywheel housing
  • Fuel System
    • MEUI injection
    • Fuel filter, secondary (2 micron)
    • Electronic fuel priming
  • Lube System
    • Open crankcase ventilation system
    • Oil cooler
    • Oil filler
    • Lube oil filter
    • Rear sump oil pan
    • Oil dipstick
    • Gear driven oil pump
  • General
    • Paint: Caterpillar yellow, with optional colors available on request

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