Cat C4.4 ACERT™

Industrial Diesel Engines - Highly Regulated

About the Cat C4.4 ACERT™

The Cat^® C4.4 ACERT Industrial Diesel Engine is offered in ratings ranging from 74-129.4 bkW (99-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. U.S. EPA Tier 4 Interim equivalent and EU Stage IIIB equivalent ratings are also available using U.S. EPA and EU Flex provisions. Industries and applications powered by C4.4 ACERT 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.

Specifications

Power Rating

Minimum Power	88.4 BHP
Maximum Power	173.5 BHP
Rated Speed	2200 rpm

Emission Standards

Emissions

U.S. EPA Tier 4 Final, EU Stage IV

General

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

Engine Dimensions - Approximate

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

Aftertreatment Dimensions - Approximate

Diameter	224.9-270.3 mm (9.6-10.6 in)
Height	279-430 mm (11-16.9 in)
Length	647-828 mm (25.5-32.6 in)
Weight	34-80 kg (75-17;6.4 lb)
Width	365-695 mm (14.3-27.4 in)

Features

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 Interim or Tier 4 Final, Stage IIIB or Stage IV 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

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

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·S^SM 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 SOS^SM 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

World-class Product Support Offered Through Global Cat Dealer Network

Scheduled maintenance, including SOS^SM 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 Interim, Stage IIIB Aftertreatment Features

Regeneration. Passive regeneration completely transparent to the operator.

Mounting. Extensive range of inlets and outlets, as well as remote off- and on-engine installations, provide flexibility for many installations.

Service. Service-free DPF for the emissions life of the engine.

Tier 4 Final, Stage IV Aftertreatment Features

Regeneration. The DOC/SCR modular design offers a simple, compact package while providing high levels of performance. A DOC/DPF/SCR option is available for higher power machines. While in use, both DOC/SCR an 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. Both DOC/SCR an DOC/DPF/SCR systems are service-free for the emissions life of the engine.

Available in 12V or 24V systems

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Contact

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