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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.

Cat® C4.4 Diesel Engine - Specifications

Power Rating
Maximum Power
173.5 HP
129.4 kW
Maximum Torque
553 lb-ft @ 1400 rpm
750 Nm @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
93.9 HP
70 kW
Emission Standards
Emissions
U.S. EPA & CARB Tier 4 Final
General
Engine Configuration
Inline 4
Bore
4.1 in
105 mm
Stroke
5 in
127 mm
Displacement
268.5 in³
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+SCR or DOC+DPF+SCR
Engine Dimensions - Approximate
Length
33.3 in
845 mm
Width
29.1 in
742 mm
Height
34.1 in
868 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
926 lb
420 kg
Aftertreatment Dimensions
Length
26.5 in
675 mm
Width
18.8 in
478 mm
Height
15.3 in
390 mm
Diameter
10.6 in
270 mm
Weight
99 lb
45 kg