Cat® C3.6 Diesel Engine for Tractors

Cat® C3.6 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 100 kW (134 hp) @ 2200 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 EU Stage V, U.S. EPA Tier 4 Final, and Japan 2014 emission standards.

  • Maximum Power 134 HP

  • Maximum Torque 391 lb-ft @ 1500 rpm

  • Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V

  • Rated Speed 2000-2400 rpm

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Product Specifications


Power Rating

  • Maximum Power 134HP

  • Maximum Torque 391lb-ft @ 1500 rpm

  • Minimum Power 74HP

  • Rated Speed 2000-2400 rpm

Emission Standards

  • Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V


  • Aftertreatment DOC+DPF or DOC+DPF+SCR

  • Aspiration Turbocharged-Aftercooled (TA)

  • Bore 3.9in

  • Combustion System Direct Injection

  • Compression Ratio 17.0:1

  • Displacement 220in³

  • Engine Configuration In-Line 4

  • Rotation from Flywheel End Counterclockwise

  • Stroke 4.7in

Engine Dimensions - Approximate

  • Height 33.7in

  • Length 26.8in

  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments 840lb

  • Width 22.2in



Standard Equipment

  • Starter motor (12V)

  • Alternator (12V)

  • Electronic Control Unit (chassis mounted)

  • Engine control sensors and robust wiring harness

  • Data interface via CANbus SAE J1939

  • 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 filter – chassis mounted

  • With water sensor

  • Lubricating oil filters

  • High incline oil pan – 25° continuous in all directions

  • Cold start capability to -25° C (-13° F) with standard equipment

  • Paint: Caterpillar yellow, with optional colors available at request

  • Diesel Oxidation Catalyst (DOC) and Diesel Particulate Filter (DPF)

  • Selective Catalytic Reduction (SCR) (not required <56 kW)

Optional Equipment