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Cat® C4.4 Diesel Engine
Cat® C7.1 Industrial Power Unit
Cat® C4.4 Industrial Power Unit

Power Rating

Maximum Power 200 HP 275 HP 108.6 HP
Maximum Torque 609 lb-ft @ 1400 rpm 774 lb-ft @ 1400 rpm -
Rated Speed 2200 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 2200 rpm
Minimum Power 109 HP 156 HP 81.8 HP

Emission Standards

Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA UN ECE R96 Stage IIIA

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.1 in 4.1 in
Stroke 5 in 5.3 in 5 in
Displacement 268.5 in³ 427.7 in³ 268.5 in³
Compression Ratio 16.5:1 16.8:1 18.2:1
Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) Turbocharged (T)
Combustion System Direct Injection - -
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment DOC+DPF+SCR - -

Engine Dimensions - Approximate

Length 32.4 in - -
Width 29.6 in - -
Height 35.3 in - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1180 lb - -

Aftertreatment Dimensions

Length 26.5 in - -
Width 24.5 in - -
Height 17.8 in - -
Weight 143.3 lb - -

Power Unit Dimensions

Length - 68 in 49.6 in
Width - 31 in 28.9 in
Height - 44.8 in 38 in
Weight - 1737 lb 1025 lb
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