C4.4

Cat?� C4.4 Industrial Power Unit

C4.4 EU StageV Tier 4 Industrial Power Units - Highly Regulated

DESCRIPTION

The C4.4 IPU engine is a common rail direct injection engine with either a single turbo or twin turbo chargecooled air system. It meets U.S. EPA Tier 4 Final, EU Stage V and Japan 2014 (Tier 4 Final) emission standards. For ease of installation, the IPU provides full aftertreatment mounting, an integrated cooling system and inlet air filter mounted to the IPU.

Reliable, Quiet and Durable Power

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

Exhaust System

Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) system supplied installed on engine. Zero downtime due to regeneration.

World-class Product Support Offered Through Global Cat Dealer Network

Superior dealer service network, Customer Support Agreements (CSA) and Cat® Extended Service Coverage (ESC).

Low-Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, service free DPF and 500-hour oil change intervals enable low-cost maintenance.

  • Standard Equipment
  • Specs
  • Docs

Standard Equipment

  • Air Inlet System
    • Standard air cleaners
  • Control System
    • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
    • Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines
  • Cooling System
    • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
    • 50:50 water glycol mix
    • Guidance on cooling system design available through your dealer to ensure equipment reliability
  • Flywheels and Flywheel Housing
    • Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations
  • Fuel System
    • Electronic high pressure common rail
    • Innovative filter design to ensure maximum protection of the engine
  • Lube System
    • Wide choice of sumps for different applications
  • Power Take Off
    • SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.
  • General
    • Available with or without a balancer
    • Paint: Caterpillar yellow, with optional colors available at request
  • U.S. EPA TIER 4 FINAL, EU STAGE V AFTERTREATMENT, JAPAN 2014 (TIER 4 FINAL) / CLEAN EMISSIONS CONTROL EQUIPMENT
    • Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
    • No ash service requirement
    • Passive regeneration

Specs

Overview

Long Name:
Cat?� C4.4 Industrial Power Unit
Name:
C4.4
Brand:
Caterpillar
Status:
Current

Power Rating

Maximum Power
188 HP / 140 kW
Maximum Torque
601 lb-ft @ 1400 rpm / 815 Nm @ 1400 rpm
Rated Speed
2000 - 2200 rpm
Minimum Power
137 HP / 102 kW

Emission Standards

Emissions
EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
268.5 in³ / 4.4 l
Compression Ratio
16.0:2
Aspiration
Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR

Power Unit Dimensions

Length
60.3 in / 1532 mm
Width
34.2 in / 869 mm
Height
53.7 in / 1364 mm
Weight
1559 lb / 707 kg

SEE HOW C4.4 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Industrial Diesel Power Units
C4.4
C4.4 EU StageV Tier 4 Industrial Power Units - Highly Regulated
Brand
Caterpillar
Status
Current
Maximum Power
188 HP / 140 kW
Rated Speed
2000 - 2200 rpm
Minimum Power
137 HP / 102 kW
Emissions
EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
268.5 in³ / 4.4 l
Compression Ratio
16.0:2
Aspiration
Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR
Length
60.3 in / 1532 mm
Width
34.2 in / 869 mm
Height
53.7 in / 1364 mm
Weight
1559 lb / 707 kg
Industrial Diesel Power Units
C4.4
C4.4 LRC Industrial Power Units - Lesser Regulated & Non-Regulated
Brand
Caterpillar
Status
Current
Maximum Power
108.6 hp / 81 kW
Rated Speed
2200 rpm
Minimum Power
81.8 hp / 61 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
268.5 in³ / 4.4 l
Compression Ratio
18.2:1
Aspiration
Turbocharged (T)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Length
49.6 in / 1260 mm
Width
28.9 in / 734 mm
Height
38 in / 964 mm
Weight
1025 lb / 465 kg
Industrial Diesel Power Units
C7.1
C7.1 Industrial Power Unit
Brand
Caterpillar
Status
Current
Maximum Power
275 HP / 205 kW
Rated Speed
116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power
156 HP / 116 kW
Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5.3 in / 135 mm
Displacement
427.7 in³ / 7.01 l
Compression Ratio
16.8:1
Aspiration
Turbocharged Aftercooled (TA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Length
68 in / 1728 mm
Width
31 in / 788 mm
Height
44.8 in / 1140 mm
Weight
1737 lb / 788 kg