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C4.4

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Overview

The Cat® C4.4 Industrial Diesel Engine is offered in ratings ranging from 82-150 bkW (109-200 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage V 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

  • Minimum Power 109.0 BHP 82.0 bkW
  • Maximum Power 200.0 BHP 150.0 bkW
  • Rated Speed 2200 rpm 2200 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Final, EU Stage V U.S. EPA Tier 4 Final, EU Stage V

General

  • Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel
  • Bore 105 mm (4.13 in) 105 mm (4.13 in)
  • Stroke 127 mm (5.00 in) 127 mm (5.00 in)
  • Displacement 4.4 L (268.5 in³) 4.4 L (268.5 in³)
  • Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
  • Compression Ratio 16.5:1 16.5:1
  • Combustion System Direct Injection Direct Injection
  • Rotation from Flywheel End Counterclockwise Counterclockwise
  • Cooling System - Capacity 10.8 L (11.4 qt) 10.8 L (11.4 qt)
  • Lube System - Refill 5.2-13.5 L (5.5-14.27 qt) 5.2-13.5 L (5.5-14.27 qt)

Engine Dimensions - Approximate

  • Height 848.2-867.6 mm (33.4-34.1 in) 848.2-867.6 mm (33.4-34.1 in)
  • Length 845.1 mm (33.3 in) 845.1 mm (33.3 in)
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments 400-420 kg (881.8-926 lb) 400-420 kg (881.8-926 lb)
  • Width 741.6-772.4 mm (29.1-30.4 in) 741.6-772.4 mm (29.1-30.4 in)

Aftertreatment Dimensions - Approximate

  • Height 390-453 mm (15.3-17.8 in) 390-453 mm (15.3-17.8 in)
  • Length 610-675 mm (24.0-26.5 in) 610-675 mm (24.0-26.5 in)
  • Weight 45-65 kg (99-143.3 lb) 45-65 kg (99-143.3 lb)
  • Width 478-623 mm (18.8-24.5 in) 478-623 mm (18.8-24.5 in)

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.

High Performance

Series turbocharging with smart wastegate available on specific ratings for fast response, high power, and increased torque.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel & Oil

Tier 4 Final/Stage V engines require ultra-low sulfur diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

Low Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, "no ash service" aftertreatment, and 500-hour oil change intervals enable low-cost maintenance. Many service items have a choice of location on either side of the engine to enable choice of service access. The S·O·SSM program is available from your Cat dealer to determine oil change intervals and provide optimal performance.

Quality

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

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

Tier 4 Final, Stage V Aftertreatment Features


Regeneration. The DOC/DPF/SCR modular design offers a simple, compact package while providing high levels of performance.While in use, the DOC/DPF/SCR systems offer transparent operation to the user.


Mounting. Extensive range of inlets and outlets, as well as remote and on-engine installations, provide flexibility for many installations.
Service. The DOC/DPF/SCR systems are service-free for the emissions life of the engine.
Available in 12V or 24V systems

C4.4 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

Flywheels and Flywheel Housing

  • Fitted with SAE3 configuration as standard

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/ Clean Emissions Control Equipment

  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • Selective Catalytic Reduction (SCR)
  • 3" flex pipe connection with straight, 45°, and 90° options for flexibility

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