Cat® C27 Industrial Diesel Engine

The Cat® C27 Industrial Diesel Engine is offered in ratings ranging from 597-858 bkW (800-1150 bhp) @ 1800-2100 rpm. These ratings meet U.S. EPA Tier 2 equivalent emission standards. Industries and applications powered by these high powered engines include Bore/Drill Rigs, Chippers/Grinders, Construction, Cranes, Dredgers, Forestry, Hydraulic Power Units, Irrigation Equipment, Material Handling, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers.

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Maximum Power 1150 HP
Maximum Torque 3876 lb-ft @ 1400 rpm
Rated Speed 1800-2100 rpm
Minimum Power 800 HP
Emissions U.S. EPA Tier 2 Equivalent
Engine Configuration V-12, 4-Stroke-Cycle Diesel
Bore 5.4 in
Stroke 6 in
Displacement 1649.5 in³
Compression Ratio 16.5:1
Aspiration Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Length 75.5 in
Width 57.6 in
Height 51.9 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 6495 lb
Air Inlet System
  • Twin Turbocharged Aftercooled
  • Air-to-Air Aftercooled
Control System
  • Electronic governing, PTO speed control
  • Programmable ratings
  • Automatic altitude compensation
  • Power compensation for fuel temperature
  • Programmable low and high idle and total engine limit
  • Electronic diagnostics and fault logging
  • Engine monitoring system SAE J1939 broadcast and control
  • ADEM™ A4 Electronic Control Unit (ECU)
Cooling System
  • Thermostats and housing, vertical outlet
  • Jacket water pump, centrifugal
  • Water pump, inlet
Exhaust System
  • Exhaust manifold, dry
  • Optional exhaust outlet
Flywheels and Flywheel Housing
  • SAE No. 1 flywheel housing
Fuel System
  • MEUI injection
  • Fuel filter, secondary (2 micron)
  • ACERT™ Technology
  • Fuel transfer pump
  • Fuel priming pump
Lube System
  • Crankcase breather
  • Oil cooler
  • Oil filler
  • Lube oil filter
  • Front sump oil pan
  • Oil dipstick
  • Gear driven oil pump
General
  • Vibration damper
  • Lifting eyes
  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request