C4.4

Cat® C4.4 Diesel Engine

C4.4 LRC Diesel Engines - Lesser Regulated & Non-Regulated

DESCRIPTION

The Cat® C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards. Turbocharged (T) and Turbocharged Aftercooled (TA) Ratings are also available, ranging from 55.5-83 bkW (74.4-111.3 bhp) @ 2200-2400 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Industries and applications powered by C4.4 engines include: Agriculture, Aerial Lifts, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Harvesters, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers, Turf and Landscaping and Underground Mining Equipment.

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.

Package Size

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

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

  • Standard Equipment
  • Specs

Standard Equipment

  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator
    • Starter motor
    • Control Panel
    • Glow plug starting aid
  • Cooling System
    • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
    • 50:50 water glycol mix
  • Flywheels and Flywheel Housing
    • SAE No. 3 flywheel housing
    • Flywheel and starter rings
  • Fuel System
    • Fuel filter positions
  • Lube System
    • Lubricating oil filters and breathers
    • Oil filter positions
    • Lube oil sump
  • Power Take Off
    • SAE B Power Take Off (PTO)
  • General
    • Timing case and gear-driven auxiliaries
    • Belt-driven auxiliaries
    • Engine mountings
    • Gauges
    • Displays
    • Power and torque curve tailoring
    • Paint: Caterpillar yellow, with optional colors available at request

Specs

Overview

Long Name:
Cat® C4.4 Diesel Engine
Name:
C4.4
Brand:
Caterpillar
Status:
Current

Power Rating

Maximum Power
111.3 HP / 83 kW
Maximum Torque
308 lb-ft @ 1400 rpm / 418 Nm @ 1400 rpm
Rated Speed
2200-2400 rpm
Minimum Power
72.4 HP / 54 kW

Emission Standards

Emissions
UN ECE R96 Stage IIIA

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
269 in³ / 4.4 l
Compression Ratio
18.2:1
Aspiration
Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-

Engine Dimensions - Approximate

Length
26.1 in / 663 mm
Width
23.7 in / 602 mm
Height
30.5 in / 775 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
674.6 lb / 306 kg