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C27 ACERT™

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

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.

Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM 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

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Overview

No matter where they operate and no matter what the application, Cat® C27 ACERT™ Industrial Diesel Engines will deliver durable, reliable power that will keep your customers productive while lowering their operating costs to keep them profitable. Today's Cat® engines are the finest ever produced by Caterpillar - with a legacy of power and rugged reliability driven by the demands of performance. 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. C27 ACERT engines, with ratings: 597-858 bkW (800-1150 bhp) @ 1800-2100 rpm, meet U.S. EPA Tier 2 equivalent emission standards. They are available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

Power Rating

  • Minimum Power 800.0 BHP 597.0 bkW
  • Maximum Power 1150.0 BHP 858.0 bkW
  • Rated Speed 1800-2100 rpm 1800-2100 rpm

Emission Standards

  • Emissions U.S. EPA Tier 2 Equivalent U.S. EPA Tier 2 Equivalent

General

  • Engine Configuration V-12, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel
  • Bore 137.2 mm (5.4 in) 137.2 mm (5.4 in)
  • Stroke 152.4 mm (6.0 in) 152.4 mm (6.0 in)
  • Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
  • Displacement 27.03 L (1649.5 in³) 27.03 L (1649.5 in³)
  • Compression Ratio 16.5:1 16.5:1
  • Combustion System Direct Injection Direct Injection
  • Rotation from Flywheel End Counterclockwise Counterclockwise

Engine Dimensions - Approximate

  • Height 1319 mm (51.9 in) 1319 mm (51.9 in)
  • Length 1917 mm (75.5 in) 1917 mm (75.5 in)
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments 2946 kg (6495 lb) 2946 kg (6495 lb)
  • Width 1464 mm (57.6 in) 1464 mm (57.6 in)

C27 ACERT™ Standard Equipment

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

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