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Cat® C7.1 ACERT™ Diesel Engine

Demanding conditions, applications and environments make the Cat® C7.1 engines the perfect solution for your severe duty equipment. With decades of diesel engine innovation and expertise behind these engines, they deliver the low operating costs and legendary Cat reliability and durability that give you a powerful advantage. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat industrial engine. Industries and applications powered by C7.1 engines include: Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers and Underground Mining Equipment. Cat® C7.1 Industrial Diesel Engines, with ratings: 129-225 bkW (172-301.8 bhp) @ 2200 rpm, meet U.S. EPA Tier 4 Final, EU Stage V emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.

Cat® C7.1 ACERT™ Diesel Engine - Specifications

Power Rating
Maximum Power
320 HP
240 kW
Maximum Torque
935 lb-ft @ 1400 rpm
1268 Nm @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
172 HP
129 kW
Emission Standards
Emissions
U.S. EPA & CARB Tier 4 Final, EU Stage V
General
Engine Configuration
In-Line 6
Bore
4.1 in
105 mm
Stroke
5.3 in
135 mm
Displacement
427.7 in³
7 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+DPF+SCR
Engine Dimensions - Approximate
Length
41.9 in
1064 mm
Width
31.4 in
798 mm
Height
35.9 in
912 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1658 lb
752 kg
Aftertreatment Dimensions
Length
29 in
733 mm
Width
30.3 in
769 mm
Height
18.1 in
455 mm
Diameter
13.3 in
338 mm
Weight
236 lb
107 kg