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Maximum Power74 HP (55 kW)
Maximum Torque221 lb-ft @ 1600 rpm (300 Nm @ 1600 rpm)
EmissionsUN ECE R96 Stage IIIA, Brazil MAR-1
Rated Speed2200-2400 rpm
The Cat?� C2.8 Industrial Diesel Engines offer the perfect balance of compact size, reliability, and performance. This engine is offered in ratings ranging up to 55 bkW (74 bhp) @ 2500 rpm. The C2.8 is designed to meet the needs of many industries and applications, including agricultural tractors, aerial lifts, 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.


Maximum Power74 HP (55 kW)
Maximum Torque221 lb-ft @ 1600 rpm (300 Nm @ 1600 rpm)
EmissionsUN ECE R96 Stage IIIA, Brazil MAR-1
Rated Speed2200-2400 rpm
Length24.9 in (633 mm)
Minimum Power67 HP (50 kW)
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore3.5 in (90 mm)
Stroke4.3 in (110 mm)
Displacement171 in³ (2.8 l)
Compression Ratio17.0:1
AspirationTurbocharged (T) and Turbocharged Aftercooled (TA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
Width21.2 in (538 mm)
Height30.9 in (786 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments705 lb (320 kg)

Benefits and Features

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

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

Fuel consumption optimized to match the measured operating cycles of a wide range of equipment types.

Industry-leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

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.

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

  • Scheduled maintenance, including SOS℠ 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

Standard Equipment

  • Induction manifolds
  • Exhaust manifolds
  • 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
  • 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 filter – preconnected but chassis mounted
  • With water sensor
  • Lubricating oil filters
  • High incline oil pan – 35° continuous in all directions
  • Cold start capability to -20° C (-4° F) with standard equipment
  • Paint: Caterpillar yellow, with optional colors available at request