Cat® C3.6 Industrial Diesel Engine for Tractors

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The Cat® C3.6 agricultural tractor engine offers the perfect balance of compact size, reliability, and performance. This engine is offered in ratings ranging up to 90 kW (121 hp) @ 2400 rpm.

The C3.6 is designed to meet the specific requirements of agricultural tractors including structural sump with integral twin balancer shafts.

The C3.6 meets UN ECE R96 Stage IIIA and Brazil MAR-1 emission standards.

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Maximum Power 121HP
Maximum Torque 369lb-ft @ 1500 rpm
Minimum Power 74HP
Rated Speed 2200-2400 rpm
Emissions UN ECE R96 Stage IIIA, Brazil MAR-1
Height 33.7in
Length 26.8in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 840lb
Width 22.2in
Aftertreatment -
Aspiration Turbocharged Aftercooled (TA)
Bore 3.9in
Combustion System Direct Injection
Compression Ratio 17.0:1
Displacement 220in³
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Rotation from Flywheel End Counterclockwise
Stroke 4.7in

Standard Equipment:

  • Control System
    • Starter motor (12V)
    • Alternator (12V)
    • Electronic Control Unit (chassis mounted)
    • Engine control sensors and robust wiring harness
    • Data interface via CANbus SAE J1939
  • Flywheels And Flywheel Housing
    • Agricultural back plate for transmission mounting
    • Choice of flywheel to match industry common hydraulic pumps and transmissions
    • Side PTO with SAE A or SAE B interface
  • Fuel System
    • Fuel filter - chassis mounted
    • With water sensor
  • Lube System
    • Lubricating oil filters
    • High incline oil pan - 25 degrees continuous in all directions
  • General
    • Cold start capability to -25° C (-13° F)
    • Paint: Caterpillar yellow, with optional colors available at request

Optional Equipment: