C4.4

Cat® C4.4 Diesel Engine

C4.4 LRC Diesel Engines - Lesser Regulated & Non-Regulated

DESCRIPTION

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.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.Industrial Power

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.

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

  • Standard Equipment
  • Specs

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

Specs

Overview

Long Name:
Cat® C4.4 Diesel Engine
Name:
C4.4
Brand:
Caterpillar
Status:
Current

Power Rating

Maximum Power
111.3 HP / 83 kW
Maximum Torque
308 lb-ft @ 1400 rpm / 418 Nm @ 1400 rpm
Rated Speed
2200-2400 rpm
Minimum Power
72.4 HP / 54 kW

Emission Standards

Emissions
UN ECE R96 Stage IIIA

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
269 in³ / 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
26.1 in / 663 mm
Width
23.7 in / 602 mm
Height
30.5 in / 775 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
674.6 lb / 306 kg

SEE HOW C4.4 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Industrial Diesel Engines
C4.4
C4.4 LRC Diesel Engines - Lesser Regulated & Non-Regulated
Brand
Caterpillar
Status
Current
Maximum Power
111.3 HP / 83 kW
Maximum Torque
308 lb-ft @ 1400 rpm / 418 Nm @ 1400 rpm
Rated Speed
2200-2400 rpm
Minimum Power
72.4 HP / 54 kW
Emissions
UN ECE R96 Stage IIIA
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
269 in³ / 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
-
Length
26.1 in / 663 mm
Width
23.7 in / 602 mm
Height
30.5 in / 775 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
674.6 lb / 306 kg
Selected Model
Industrial Diesel Engines
C32
C32 LRC Diesel Engines - Lesser Regulated & Non-Regulated
Brand
Caterpillar
Status
Current
Maximum Power
1350 HP / 1007 kW
Maximum Torque
4548 lb-ft @ 1400 rpm / 6166 Nm @ 1400 rpm
Rated Speed
1800-2100 rpm
Minimum Power
950 HP / 708 kW
Emissions
U.S. EPA Tier 2 Equivalent
Engine Configuration
V-12, 4-Stroke-Cycle Diesel
Bore
5.7 in / 145 mm
Stroke
6.4 in / 162 mm
Displacement
1958.9 in³ / 32.1 l
Compression Ratio
16.5:1
Aspiration
Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Length
75.5 in / 1917 mm
Width
58.2 in / 1479 mm
Height
51.9 in / 1319 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
6495 lb / 2946 kg
More Details
Industrial Diesel Engines
C4.4
C4.4 Diesel Engines
Brand
Caterpillar
Status
Current
Maximum Power
142 HP / 106 kW
Maximum Torque
411.2 lb-ft @ 1400 rpm / 558 Nm @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
91.2 HP / 68 kW
Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
269 in³ / 4.4 l
Compression Ratio
16.9:1
Aspiration
Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Length
24.8 in / 631 mm
Width
24.6 in / 626 mm
Height
37.7 in / 958 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
794 lb / 360 kg
More Details