Cat® C7.1 ACERT™ Diesel Engine

The C7.1 Industrial Diesel Engine is offered in ratings from 129-225 bkW (172-302 bhp) @ 2200 rpm and meets U.S. EPA Tier 4 Final, EU Stage V emission standards. Industries and applications powered by C7.1 engines include: Agriculture, 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.

Specifications
Equipment
Units: US Metric
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
Aftertreatment Dimensions*
Diameter
13.3 in
338 mm
Aftertreatment Dimensions
Weight
236 lb
107 kg
Standard Equipment
Air Inlet
Control System
Cooling System
Flywheels and Flywheel Housing
Fuel System
Lube System
General
U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) Aftertreatment/ Clean Emissions Control Equipment