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C11 ACERT™

Emissions

Meets China Stage II, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent or EU Stage II equivalent emission standards. U.S. EPA Tier 3 equivalent EU Stage IIIA equivalent available using EPA (U.S.) Flexibility and EU Flexibility. Also available for other regulated and non-regulated areas.

Quality

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

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Overview

Providing reliable power for applications requiring 242-336 bkW (325-450 bhp), Cat® C11 ACERT™ Industrial Diesel Engines are proven performers, providing greater options for customers who require powerful flexibility for their equipment. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat industrial engine. Industries and applications powered by C11 ACERT engines include Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Specialty Ag Equipment, Sprayers, Surface Hauling Equipment, Trenchers and Underground Mining Equipment. C11 ACERT engines, with ratings: 242-336 bkW (325-450 bhp) @ 1800-2100 rpm, meet China Stage II, EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Power Rating

  • Minimum Power 325.0 BHP 242.0 bkW
  • Maximum Power 450.0 BHP 336.0 bkW
  • Rated Speed 1800-2100 rpm 1800-2100 rpm

Emission Standards

  • Emissions China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent

General

  • Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
  • Bore 130 mm (5.12 in) 130 mm (5.12 in)
  • Stroke 140 mm (5.51 in) 140 mm (5.51 in)
  • Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
  • Displacement 11.1 L (677.36 in³) 11.1 L (677.36 in³)
  • Compression Ratio 17.2:1 17.2:1
  • Combustion System Direct Injection Direct Injection
  • Rotation from Flywheel End Counterclockwise Counterclockwise

Engine Dimensions - Approximate

  • Height 1186 mm (46.7 in) 1186 mm (46.7 in)
  • Length 1203 mm (47.4 in) 1203 mm (47.4 in)
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments 930 kg (2050 lb) 930 kg (2050 lb)
  • Width 1054.4 mm (41.5 in) 1054.4 mm (41.5 in)

C11 ACERT™ Standard Equipment

Air Inlet System

  • Turbocharged
  • 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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