Industrial engines

C3.6

The Cat C3.6 LRC Industrial Diesel Engines offer the perfect balance of compact size, reliability, and performance. This engine is offered in ratings ranging up to 90 bkW (121 bhp) @ 2400 rpm. The C3.6 is designed to meet the needs of many industries and applications, including agricultural tractors, aircraft ground support, bore/drill rigs, chippers/grinders, compactors/rollers, compressors, forestry, irrigation equipment, material handling, mining, earthmoving equipment, paving equipment, pumps, fruit harvesters equipment, turf and underground mining equipment.

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Power Rating
Maximum Power121 hp
Maximum Torque369 lb-ft @ 1500 rpm
Rated Speed2200-2400 rpm
Minimum Power74 hp
Emission Standards
EmissionsUN ECE R96 Stage IIIA, Brazil MAR-1
General
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore3.9 in
Stroke4.7 in
Displacement220 in³
Compression Ratio17.0:1
AspirationTurbocharged Aftercooled (TA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Engine Dimensions - Approximate
Length26.3 in
Width22.2 in
Height31 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments840 lb

Control System

  • Starter motor (12V or 24V)
  • Alternator (12V or 24V)
  • Electronic Control Unit (chassis mounted)
  • Engine control sensors and robust wiring harness
  • Data interface via CANbus J1939

Flywheels and Flywheel Housing

  • Flywheel housings - SAE 3 or SAE 4
  • Choice of flywheel to match industry common hydraulic pumps and transmissions
  • Side PTO with SAE A or SAE B interface

Fuel System

  • Fuel filter - preconnected but chassis mounted
  • With water sensor

Lube System

  • Lubricating oil filters
  • High incline oil pan - 35 degrees continuous in all directions

General

  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request

Need installed dimensions with enclosure and tank? See Model Configurations