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 Power 121 hp
Maximum Torque 369 lb-ft @ 1500 rpm
Rated Speed 2200-2400 rpm
Minimum Power 74 hp
Emission Standards
Emissions UN ECE R96 Stage IIIA, Brazil MAR-1
General
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 3.9 in
Stroke 4.7 in
Displacement 220 in³
Compression Ratio 17.0:1
Aspiration Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 26.3 in
Width 22.2 in
Height 31 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 840 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