• Banner
Industrial Diesel Engines - Lesser Regulated & Non-Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® C4.4 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.

  • Specification Summary

  • Maximum Power 83 kW
  • Maximum Torque 418 Nm @ 1400 rpm
  • Rated Speed 2200-2400 rpm
  • Minimum Power 54 kW

Product Details

Power Rating

Maximum Power 83 kW
Maximum Torque 418 Nm @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 54 kW

Emission Standards

Emissions UN ECE R96 Stage IIIA

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Compression Ratio 18.2:1
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -

Engine Dimensions - Approximate

Length 663 mm
Width 602 mm
Height 775 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 306 kg
  • Air Inlet System
    •  Inlet manifold with choice of inlets.
  • Control System
    •  Alternator
    •  Starter motor
    •  Control Panel
    •  Glow plug starting aid
  • 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
          • 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
              • 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

                            Have a Question?

                            Caterpillar Parts - AlBahar

                            Signup to Al-Bahar Monthly newsletter and stay connected!

                            We respect your privacy and will never share or sell your information.