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Overview

The Cat® C3.6 Industrial Diesel Engines offer the perfect balance of compact size, reliability, and performance. This engine is offered in ratings ranging up to 90 bkW (121 bhp) @ 2400 rpm. The C3.6 is designed to meet the needs of many industries and applications, including agricultural tractors, aircraft ground support, bore/drill rigs, chippers/grinders, compactors/rollers, compressors, forestry, irrigation equipment, material handling, mining, earthmoving equipment, paving equipment, pumps, fruit harvesters equipment, turf and underground mining equipment.

Power Rating

Units:
Minimum Power 74.0 bhp 55.0 bkW Less
Maximum Power 121.0 bhp 90.0 bkW Less
Rated Speed 2200-2400 rpm 2200-2400 rpm Less

Emission Standards

Emissions U.S. EPA Tier 3 Nonroad Equivalent Emission Standards (Not Currently EPA Certified). EU Stage IIIA Nonroad Equivalent Emission Standards (Non-Current for EU). U.S. EPA Tier 3 Nonroad Equivalent Emission Standards (Not Currently EPA Certified). EU Stage IIIA Nonroad Equivalent Emission Standards (Non-Current for EU). Less

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Less
Bore 98 mm (3.9 in) 98 mm (3.9 in) Less
Stroke 120 mm (4.7 in) 120 mm (4.7 in) Less
Displacement 3.6 L (220 in³) 3.6 L (220 in³) Less
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Less
Compression Ratio 17.0:1 17.0:1 Less
Combustion System Direct Injection Direct Injection Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Lube System (refill) 4 L (1.06 qt) 4 L (1.06 qt) Less

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 667 mm (26.3 in) 667 mm (26.3 in) Less
Width 569 mm (22.4 in) 569 mm (22.4 in) Less
Height 776 mm (30.6 in) 776 mm (30.6 in) Less
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 275 kg (606 lb) 275 kg (606 lb) Less

Emissions

Meets China Nonroad Stage III Emission Standards, U.S. EPA Tier 3 Nonroad Equivalent Emission Standards (Not Currently EPA Certified). Note: Not for sale in the U.S. (not certfied to current EPA emissions standards), EU Stage IIIA Nonroad Equivalent Emission Standards (Non-Current for EU). Note: Not for sale in the EU (does not meet current emissions standards)

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 for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

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•S℠ 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.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•S℠ sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

C3.6 Standard Equipment

Control System
  • Starter motor (12V or 24V)
  • Alternator (12V or 24V)
  • Electronic Control Unit (chassis mounted)
  • Engine control sensors and robust wiring harness
  • Data interface via CANbus J1939

Flywheels and Flywheel Housing
  • Flywheel housings - SAE 3 or SAE 4
  • Choice of flywheel to match industry common hydraulic pumps and transmissions
  • Side PTO with SAE A or SAE B interface

Fuel System
  • Fuel filter - preconnected but chassis mounted
  • With water sensor

Lube System
  • Lubricating oil filters
  • High incline oil pan - 35 degrees continuous in all directions

General
  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request