C11 ACERT™

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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

Units:
Minimum Power 325.0 BHP 242.0 bkW Less
Maximum Power 450.0 BHP 336.0 bkW Less
Rated Speed 1800-2100 rpm 1800-2100 rpm Less

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 Less

General

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

Engine Dimensions - Approximate

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

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.

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