Cat® C4.4 Diesel Engine

Overview
Minimum Power
72 bhp
Maximum Power
111 bhp
Emissions
EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
  • Exterior View

Power Rating

Minimum Power
72 bhp
Maximum Power
111 bhp
Rated Speed
2200-2400 rpm
Minimum Power
72 HP
Maximum Power
111 HP
Rated Speed
2200-2400 rpm
Maximum Torque
308 lb-ft @ 1400 rpm
Maximum Power
111 HP
Maximum Torque
308 lb-ft @ 1400 rpm
Rated Speed
2200-2400 rpm
Minimum Power
72 HP

Emission Standards

Emissions
EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
Emissions
UN ECE R96 Stage IIIA
Emissions
UN ECE R96 Stage IIIA

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
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)
Compression Ratio
16.2:1
Combustion System
Direct Injection
Rotation (from flywheel end)
Counterclockwise
Lube System (refill)
11 L (11.6 qt)
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
18.2:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Lube System - Refill
11 L (11.6 qt)
Bore
4 in
Stroke
5 in
Displacement
269 in³
Aftertreatment
-
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4 in
Stroke
5 in
Displacement
269 in³
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. Final dimensions dependent on selected options)

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)

Engine Dimensions - Approximate

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)
Height
31 in
Width
24 in
Length
26 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
675 lb
Length
26 in
Width
24 in
Height
31 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
675 lb

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Package Size

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
  • 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
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