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Cat® C4.4 Diesel Engine

Cat® C4.4 Diesel Engine

At a Glance

Minimum Power
72.4 BHP
Maximum Power
111.3 BHP
Emissions
EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
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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.

Power Rating

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Minimum Power 72.4BHP
Maximum Power 111.3BHP
Rated Speed 2200-2400 rpm

Emission Standards

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Emissions EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)

General

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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

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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)