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CAT Diesel Engine 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.

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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

Minimum Power
54.0 bkW
Maximum Power
83.0 bkW

Engine

Rated Speed
2200-2400 rpm
Emissions
EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
Bore
105 mm (4.13 in)
Stroke
127 mm (5.0 in)
Displacement
4.4 L (269 inĀ³)
Aspiration
Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Combustion System
Direct Injection
Rotation (from flywheel end)
Counterclockwise
Lube System (refill)
11 L (11.6 qt)

Engine Specifications

Compression Ratio
16.2:1

Generator Set Dimension

Length
663 mm (26.1 in)

Moldboard.

Width
470-620 mm (18.5-24.4 in)

Ripper

Height
775-810 mm (30.5-31.9 in)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
291-306 kg (640-674.6 lb)
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