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Industrial:

Cat® C7.1 ACERT™ Diesel Engine

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C7.1 Tier 4 Diesel Engines - Highly Regulated
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)
Length
1063.7 mm (41.9 in)

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.

Product Specs

  • General

    • 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)
    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)
    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

  • 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 - Net Dry (Basic Operating Engine Without Optional Attachments)
    715 kg (1576 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)

  • Power Rating

    • Maximum Torque
    935lb-ft @ 1400 rpm
    Minimum Power
    172HP
    Maximum Power
    320HP
    Rated Speed
    2200 rpm

  • Aftertreatment Dimensions

    • Height
    18.1in
    Length
    29in
    Diameter
    13.3in
    Weight
    236lb

  • Engine Dimensions - Approximate

    • 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)

  • Aftertreatment Dimensions - Approximate

    • Diameter
    287-337.8 mm (11.3-13.3 in)
    Height
    468-643.9 mm (18.4-25.3 in)
    Length
    771-918.7 mm (30.4-36.2 in)
    Weight
    90-134 kg (198-295.4 lb)
    Width
    714.4-793 mm (28.1-31.2 in)

  • Emission Standards

    • Emissions
    U.S. EPA & CARB Tier 4 Final, EU Stage V

Equipment

  • 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

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