Industrial engines

C3.6 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.

Request a Quote
Have questions? Call 800.768.4200

Emissions

  • Meets R96 Stage IIIA and Brazil MAR-1

Reliable, Quiet and Durable Power

  • World-class manufacturing capability and processes coupled with proven technologies and extensive field validation assure reliability and durability in tough nonroad applications.

High Performance

  • Leading edge fuel systems and turbocharging provide high torque even at lower engine speeds

Broad Application Range

  • Industry leading range of factory configurable ratings and options to enable a solution for your machine.

Low Cost Maintenance

  • Worldwide service delivers ease of maintenance and simplifies the servicing routine. Capable of optimal oil change intervals of 500 hours. The S•O•SSM program is available from your Cat dealer to determine oil change intervals and provide optimal performance.

Quality

  • Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
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
Length26.8 in
Width22.2 in
Height33.7 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments840 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
  • C3.6 for Tractors Spec Sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations