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CAT C4.4 Industrial Diesel Engine

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.

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.

  • Minimum Power
    54.0 bkW
  • Maximum Power
    83.0 bkW

  • 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 in³)
  • Aspiration
    Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)

  • 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)

  • Compression Ratio
    16.2:1

  • Length
    663 mm (26.1 in)

  • Width
    470-620 mm (18.5-24.4 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)
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