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Caterpillar

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.

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C3.6 LRC Diesel Engines – Lesser Regulated & Non-Regulated
C3.6 LRC Diesel Engines – Lesser Regulated & Non-Regulated

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Features

Emissions

Reliable, Quiet and Durable Power

High Performance

Broad Application Range

Low Cost Maintenance

Quality

World-class Product Support Offered Through Global Cat Dealer Network

Details

Specifications

Spec Value
Maximum Power 121 HP 90 kW
Maximum Torque 369 lb-ft @ 1500 rpm 500 Nm @ 1500 rpm
Rated Speed 2200-2400 rpm 2200-2400 rpm
Minimum Power 74 HP 55 kW
Spec Value
Emissions UN ECE R96 Stage IIIA, Brazil MAR-1 UN ECE R96 Stage IIIA, Brazil MAR-1
Spec Value
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel
Bore 3.9 in 98 mm
Stroke 4.7 in 120 mm
Displacement 220 in³ 3.6 l
Compression Ratio 17.0:1 17.0:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Combustion System Direct Injection Direct Injection
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 26.8 in 681 mm
Width 22.2 in 564 mm
Height 33.7 in 855 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 840 lb 381 kg

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

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