Cat® C3.6 Industrial Diesel Engine for Tractors

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 121 HP
Maximum Torque 369 lb-ft @ 1500 rpm
Rated Speed 2200-2400 rpm
Minimum Power 74 HP
Emissions UN ECE R96 Stage IIIA, Brazil MAR-1
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 -
Length 26.8 in
Width 22.2 in
Height 33.7 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 840 lb
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