Cat C4.4

Industrial engines

About the Cat C4.4

 

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.

Specifications

Power Rating
Maximum Power 150 kW
Maximum Torque 825 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 82 kW
Emission Standards
Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V
General
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Compression Ratio 16.5:1
Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR
Engine Dimensions - Approximate
Length 822 mm
Width 748 mm
Height 897 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 535 kg
Aftertreatment Dimensions
Length 675 mm
Width 623 mm
Height 453 mm
Weight 65 kg

Features

Installation

A modular and compact core on the Cat C4.4 makes installing the engine on any number of machine applications a relative breeze. And when downsizing from five-liter platforms, OEMs can see a 20% reduction in length, 5% reduction in height and 40% reduction in weight of the engine, significantly reducing installation costs.
Safety

Advanced Features

With a 15% increase in power density and 10% increase in torque when compared to its predcessor engine, the compact design of the Cat C4.4 reduces heat loss for more efficient engine output, so operators can conquer even the toughest tasks with relative ease.
Safety

Ideal Applications

Industrial, agricultural and construction applications such as: Pumps • Compressors • Chippers • Grinders • Asphalt paving equipment • Hydraulic power units • Bore rigs • Drill rigs • Tractors.
Safety

Total Cost of Ownership

There's a lot that can affect the lifetime cost of ownership on your engine. It can be as simple as fluid intake and as complex as weight distribution. Either way, the Cat C4.4 has it covered. When compared to similar 6-cylinder plaforms, the C4.4 saves more than 18% in fluid consumption and is specially balanced to be its most effective, every day.
Safety

Cat Dealer Product Support

The Cat C4.4 makes maintenance and service routines simple thanks to the worldwide Cat dealer network support. And for even more peace of mind, your Cat engine comes under warranty. See your Cat dealer for details.
Safety

Safety

Built-in clean emissions modules keep the Cat C4.4 performing at its peak while also keeping the air around the work site cleaner.
Safety

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