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Industrial

Cat® C7.1 ACERT™ Diesel Engine

  • Maximum Power
    320 HP
  • Maximum Torque
    935 lb-ft @ 1400 rpm
  • Rated Speed
    2200 rpm
  • Minimum Power
    172 HP
Power Rating
Maximum Power
320 HP
Maximum Torque
935 lb-ft @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
172 HP
Emission Standards
Emissions
U.S. EPA & CARB Tier 4 Final, EU Stage V
General
Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Engine Configuration
In-Line 6
Bore
4.1 in
Stroke
5.3 in
Bore
105 mm (4.1 in)
Displacement
427.7 in³
Compression Ratio
16.5:1
Stroke
135 mm (5.3 in)
Aspiration
Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System
Direct Injection
Displacement
7 L (427.7 in³)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR
Cooling System Capacity
15.2 L (16 qt)
Cooling System
15.2 L (16 qt)
Lube System
13-16 L (13.7-16.9 U.S. qts)
Lube System
13-16 L (13.7-16.9 U.S. qts)
Engine Dimensions - Approximate
Length
41.9 in
Width
31.4 in
Height
35.9 in
Weight
1658 lb
Height
907 mm (35.7 in)
Length
1063.7 mm (41.9 in)
Weight
715 kg (1576 lb)
Width
753-820.2 mm (29.6-32.3 in)
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
Length
1063.7 mm (41.9 in)
Width
753-820.2 mm (29.6-32.3 in)
Height
907 mm (35.7 in)
Weight
715 kg (1576 lb)
Aftertreatment Dimensions
Length
29 in
Width
30.3 in
Height
18.1 in
Diameter
13.3 in
Weight
236 lb
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
Length
771-918.7 mm (30.4-36.2 in)
Width
714.4-793 mm (28.1-31.2 in)
Height
468-643.9 mm (18.4-25.3 in)
Weight
90-134 kg (198-295.4 lb)
Diameter
287-337.8 mm (11.3-13.3 in)
Aftertreatment Dimensions - Approximate
Diameter
287-337.8 mm (11.3-13.3 in)
Height
453-455 mm (17.8-18.1 in)
Length
610-733 mm (24-28.9 in)
Weight
65-107 kg (143.3-235.9 lb)
Width
623-769 mm (24.5-30.3 in)
  • Air Inlet
    • 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
    • Guidance on cooling system design available through your dealer to ensure equipment reliability
  • Flywheels and Flywheel Housing
    • Wide choice of drivetrain interfaces, including SAE No. 1, 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
  • General
    • Paint: Caterpillar yellow, with optional colors available at request
  • U.S. EPA Tier 4 Final, EU Stage V Aftertreatment/ Clean Emissions Control Equipment
    • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
    • NOx Reduction System (NRS)
    • Selective Catalytic Reduction (SCR)
    • 3" flex pipe connection with straight, 45°, and 90° options for flexibility