New | 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.

Power Rating
Maximum Power200 HP
Maximum Torque609 lb-ft @ 1400 rpm
Rated Speed2200 rpm
Minimum Power109 HP
Emission Standards
EmissionsU.S. EPA & CARB Tier 4 Final, EU Stage V
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore4.1 in
Stroke5 in
Displacement268.5 in³
Compression Ratio16.5:1
AspirationTurbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
Engine Dimensions - Approximate
Length32.4 in
Width29.6 in
Height35.3 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments1180 lb
Aftertreatment Dimensions
Length26.5 in
Width24.5 in
Height17.8 in
Weight143.3 lb

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.

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.

Industrial, Agricultural And Construction Applications Such As: Pumps • Compressors • Chippers • Grinders • Asphalt Paving Equipment • Hydraulic Power Units • Bore Rigs • Drill Rigs • Tractors.

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.

The Cat C4.4 Make Maintenance And Service Routines Simple Thanks To Scheduled Maintenance And Worldwide Dealer Support. Cat Engine Owners Can Also Enjoy The Peace Of Mind Engine A Five-Year Warranty Brings.

Built-In Clean Emissions Modules Keep The Cat C4.4 Performing At Its Peak While Also Keeping The Air Around The Work Site Cleaner.

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.
  • 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



Other Models in this Category

Hawthorne Power Systems Logo

Request a Quote

Why Cat is Better. Machine Comparison

With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric

San Diego - Power
Kyle Farmer
Engine Business Manager
858.376.6821 office
760.715.9565 mobile

Tim Roberts
Product Support
General Manager
858.376.6820 office
858.583.8460 mobile

Mark Reza
Used Engine Sales Manager
858.376.6840 office
858.688.0076 mobile

Jeff Reid
Service Manager
858.376.6890 office
858.472.1852 mobile

Hawaii – Power
Cliff Yuen
Director of Sales & Rentals
808.676.0322 office
808.349.7767 mobile

Guam – Power
Myver Hecita
Power Systems Rental &
Sales Representative
671.649.4241 office
671.898.2740 mobile