Cat® C4.4 Diesel Engine

Cat^® C4.4 Diesel Engine

Cat® C4.4 Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of common rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment. They have proven they can handle the toughest applications and deliver superior performance that exceeds the expectations of the most demanding users. 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.

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Maximum Power173.5HP

Maximum Torque553lb-ft @ 1400 rpm

Rated Speed2200 rpm

Minimum Power93.9HP

EmissionsU.S. EPA & CARB Tier 4 Final

Engine ConfigurationInline 4

Bore4.1in

Stroke5in

Displacement268.5in³

Compression Ratio16.5:1

AspirationTurbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)

Combustion SystemDirect Injection

Rotation from Flywheel EndCounterclockwise

AftertreatmentDOC+SCR or DOC+DPF+SCR

Length33.3in

Width29.1in

Height34.1in

Weight - Net Dry - Basic Operating Engine Without Optional Attachments926lb

Length26.5in

Width18.8in

Height15.3in

Weight99lb

Diameter10.6in

Standard

Standard air cleaners

Standard

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

Standard

Top tank temperature 108° C (226° F) as standard to minimize cooling pack size

50:50 water glycol mix

Standard

Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations

Standard

Electronic high pressure common rail

Innovative filter design to ensure maximum protection of the engine

Standard

Wide choice of sumps for different applications

Standard

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.

Standard

Available with or without a balancer

Paint: Caterpillar yellow, with optional colors available at request

Standard

Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)

No ash service requirement

Passive regeneration

Standard

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

Cat^® C4.4 Diesel Engine