Cat C4.4

Industrial Diesel Engines - Lesser Regulated & Non-Regulated

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About the Cat C4.4

 

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.

Specifications

Power Rating
Minimum Power 72.4 BHP
Maximum Power 111.3 BHP
Rated Speed 2200-2400 rpm
Emission Standards
Emissions EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
General
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 105 mm (4.13 in)
Stroke 127 mm (5.0 in)
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Displacement 4.4 L (269 in³)
Compression Ratio 16.2:1
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Lube System - Refill 11 L (11.6 qt)
Engine Dimensions - Approximate
Height 775-810 mm (30.5-31.9 in)
Length 663 mm (26.1 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 291-306 kg (640-674.6 lb)
Width 470-620 mm (18.5-24.4 in)

Features

Features

Reliable, Quiet and Durable Power

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

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

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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