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C4.4 Standard Equipment

Air Inlet System
  • Inlet manifold with choice of inlets.

Control System
  • Alternator
  • Starter motor
  • Control Panel
  • Glow plug starting aid

Cooling System
  • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
  • 50:50 water glycol mix

Flywheels and Flywheel Housing
  • SAE No. 3 flywheel housing
  • Flywheel and starter rings

Fuel System
  • Fuel filter positions

Lube System
  • Lubricating oil filters and breathers
  • Oil filter positions
  • Lube oil sump

Power Take Off
  • SAE B Power Take Off (PTO)

General
  • Timing case and gear-driven auxiliaries
  • Belt-driven auxiliaries
  • Engine mountings
  • Gauges
  • Displays
  • Power and torque curve tailoring
  • Paint: Caterpillar yellow, with optional colors available at request

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

Units:
Minimum Power 72.4 BHP 54.0 bkW Less
Maximum Power 111.3 BHP 83.0 bkW Less
Rated Speed 2200-2400 rpm 2200-2400 rpm Less

Emission Standards

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

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.13 in) 105 mm (4.13 in) Less
Stroke 127 mm (5.0 in) 127 mm (5.0 in) Less
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA) Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA) Less
Displacement 4.4 L (269 in³) 4.4 L (269 in³) Less
Compression Ratio 16.2:1 16.2:1 Less
Combustion System Direct Injection Direct Injection Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Lube System - Refill 11 L (11.6 qt) 11 L (11.6 qt) Less

Engine Dimensions - Approximate

Height 775-810 mm (30.5-31.9 in) 775-810 mm (30.5-31.9 in) Less
Length 663 mm (26.1 in) 663 mm (26.1 in) Less
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 291-306 kg (640-674.6 lb) 291-306 kg (640-674.6 lb) Less
Width 470-620 mm (18.5-24.4 in) 470-620 mm (18.5-24.4 in) Less

Emissions

Naturally Aspirated rating meets EU Stage IIIA equivalent emission standards. Turbocharged rating meets EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

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