Main content

Caterpillar

Cat® C11 Industrial Diesel Engine

The Cat® C11 Industrial Diesel Engine is offered in ratings ranging from 242-336 kW (325-451 hp). These ratings meet China Nonroad Stage III, Brazil MAR-1, and UN R96 Stage IIIA emission standards and UN R120 performance standards for measurement of net power and specific fuel consumption. Furthermore, this U.S. EPA Tier 3 certified engine can still be ordered as an engine replacement for machines currently taking U.S. EPA Tier 3 engines.

Media

Photos

C11 Diesel Engines – Lesser Regulated Countries
C11 Diesel Engines – Lesser Regulated Countries

Documents

Features

Reliable, Quiet and Durable Power

Broad Application Range

Package Size

World-class Product Support Offered Through Global Cat Dealer Network

Details

Specifications

Spec Value
Maximum Power 451 HP 336 kW
Maximum Torque 1516 lb-ft @ 1400 rpm 2056 Nm @ 1400 rpm
Rated Speed 1800-2100 rpm 1800-2100 rpm
Minimum Power 325 HP 242 kW
Spec Value
Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3 China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3
Spec Value
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 5.1 in 130 mm
Stroke 5.5 in 140 mm
Displacement 677.4 in³ 11.1 l
Compression Ratio 17.2:1 17.2:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Combustion System Direct Injection Direct Injection
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 47 in 1203 mm
Width 42 in 1054 mm
Height 47 in 1186 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 2050 lb 930 kg

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

Sign up for Riggs Cat Emails

  • This field is for validation purposes and should be left unchanged.