Cat® C7.1 ACERT™ Diesel Engine
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General
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- Engine Configuration
- In-Line 6, 4-Stroke-Cycle Diesel
- Cooling System Capacity
- 15.2 L (16 qt)
- Lube System (refill)
- 13-16 L (13.7-16.9 U.S. qts)
- Bore
- 4.1in
- Stroke
- 5.3in
- Displacement
- 427.7in³
- Aspiration
- Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
- Compression Ratio
- 16.5:1
- Combustion System
- Direct Injection
- Rotation from Flywheel End
- Counterclockwise
- Engine Configuration
- In-Line 6
- Bore
- 105 mm (4.1 in)
- Stroke
- 135 mm (5.3 in)
- Displacement
- 7 L (427.7 in³)
- Cooling System - Capacity
- 15.2 L (16 qt)
- Lube System - Refill
- 13-16 L (13.7-16.9 U.S. qts)
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Engine Dimensions (Approximate. Final dimensions dependent on selected options)
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- Length
- 1063.7 mm (41.9 in)
- Width
- 753-820.2 mm (29.6-32.3 in)
- Height
- 907 mm (35.7 in)
- Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
- 715 kg (1576 lb)
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Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
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- 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)
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Power Rating
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- Minimum Power
- 172HP
- Maximum Power
- 320HP
- Rated Speed
- 2200 rpm
- Maximum Torque
- 935lb-ft @ 1400 rpm
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Emission Standards
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- Emissions
- U.S. EPA & CARB Tier 4 Final, EU Stage V
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Engine Dimensions - Approximate
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- Length
- 41.9in
- Width
- 31.4in
- Height
- 35.9in
- Height
- 907 mm (35.7 in)
- Length
- 1063.7 mm (41.9 in)
- Weight - Net Dry - Basic Operating Engine Without Optional Attachments
- 715 kg (1576 lb)
- Width
- 753-820.2 mm (29.6-32.3 in)
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Aftertreatment Dimensions
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- Height
- 18.1in
- Weight
- 236lb
- Length
- 29in
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Aftertreatment Dimensions - Approximate
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- 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)
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Aftertreatment Dimensions*
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- Diameter
- 13.3in
Standard Equipment:
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- Air Inlet
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- Standard air cleaners
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- Control System
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- 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
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- Cooling System
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- 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
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- Flywheels And Flywheel Housing
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- Wide choice of drivetrain interfaces, including SAE No. 1, SAE No. 2, and SAE No. 3 configurations
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- Fuel System
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- Electronic high pressure common rail
- Innovative filter design to ensure maximum protection of the engine
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- Lube System
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- Wide choice of sumps for different applications
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- General
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- Paint: Caterpillar yellow, with optional colors available at request
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- U.s. Epa Tier 4 Final, Eu Stage V Aftertreatment/ Clean Emissions Control Equipment
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- 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
