Cat® C4.4 Diesel Engine
Overview
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.
- Reliable, Quiet and Durable Power
- High Performance
- Fuel Efficiency
- Fuel & Oil
- Broad Application Range
- Package Size
- Low Cost Maintenance
- Quality
- World-class Product Support Offered Through Global Cat Dealer Network
- Tier 4 Interim, Stage IIIB Aftertreatment Features
- Tier 4 Final, Stage IV Aftertreatment Features
- 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
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. Serv...
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.
- 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
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.
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
General
- Engine Configuration
- Inline 4, 4-Stroke-Cycle Diesel
- Cooling System Capacity
- 10.8 L (11.4 qt)
- Lube System (refill)
- 5.2-13.5 L (5.5-14.27 qt)
- Bore
- 4.1in
- Stroke
- 5in
- Displacement
- 268.5in³
- Aspiration
- Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
- Compression Ratio
- 16.5:1
- Combustion System
- Direct Injection
- Rotation from Flywheel End
- Counterclockwise
- Engine Configuration
- Inline 4
- Bore
- 105 mm (4.13 in)
- Stroke
- 127 mm (5.00 in)
- Displacement
- 4.4 L (268.5 in³)
- Cooling System - Capacity
- 10.8 L (11.4 qt)
- Lube System - Refill
- 5.2-13.5 L (5.5-14.27 qt)
- Aftertreatment
- DOC+SCR or DOC+DPF+SCR
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
- Length
- 845.1 mm (33.3 in)
- Width
- 741.6-772.4 mm (29.1-30.4 in)
- Height
- 848.2-867.6 mm (33.4-34.1 in)
- Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
- 400-420 kg (881.8-926 lb)
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
- Length
- 647-828 mm (25.5-32.6 in)
- Width
- 365-695 mm (14.3-27.4 in)
- Height
- 279-430 mm (11-16.9 in)
- Weight
- 34-80 kg (75-17;6.4 lb)
- Diameter
- 224.9-270.3 mm (9.6-10.6 in)
Power Rating
- Minimum Power
- 93.9HP
- Maximum Power
- 173.5HP
- Rated Speed
- 2200 rpm
- Maximum Torque
- 553lb-ft @ 1400 rpm
Emission Standards
- Emissions
- U.S. EPA & CARB Tier 4 Final
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)
- Height
- 34.1in
- Width
- 29.1in
- Weight - Net Dry - Basic Operating Engine Without Optional Attachments
- 926lb
- Length
- 33.3in
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)
Aftertreatment Dimensions
- Length
- 26.5in
- Width
- 18.8in
- Height
- 15.3in
- Weight
- 99lb
Aftertreatment Dimensions*
- Diameter
- 10.6in
Standard/Optional Features
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
-
- Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations
-
- 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 Interim Equivalent, Eu Stage Iiib Equivalent Aftertreatment / Clean Emissions Control Equipment
-
- Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
- No ash service requirement
- Passive regeneration
-
- U.s. Epa Tier 4 Final, Eu Stage Iv 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