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Cat® C4.4 Diesel Engine

Overview

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.

Cat® C4.4 Diesel Engine - Specifications

Power Rating
Minimum Power
72.4 BHP
54 bkW
Maximum Power
111.3 BHP
83 bkW
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)
Displacement
4.4 L (269 in³)
Aspiration
Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
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
Length
663 mm (26.1 in)
Height
775-810 mm (30.5-31.9 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)