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CAT® C7.1 ACERT™ DIESEL ENGINE

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Demanding conditions, applications and environments make the Cat® C7.1 ACERT 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 ACERT 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 ACERT™ Industrial Diesel Engines, with ratings: 140-225 bkW (187.7-301.8 bhp) @ 2200 rpm, meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards. Ratings: 116-225 bkW (156-302 bhp) @ 2200 rpm are designed to meet U.S. EPA Tier 4 Final, EU Stage IV 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.

SPECIFICATIONS

Minimum Power116.0 bkW

Maximum Power225.0 bkW

Rated Speed2200 rpm

power rating

Minimum Power116.0 bkW

Maximum Power225.0 bkW

Rated Speed2200 rpm

emission standards

EmissionsU.S. EPA Tier 4 Final Nonroad, EU Stage IV Nonroad, U.S. EPA Tier 4 Interim Nonroad Equivalent (Not Currently EPA Certified) and EU Stage IIIB Nonroad Equivalent (Non-Current for EU) Emission Standards

general

Engine ConfigurationIn-Line 6, 4-Stroke-Cycle Diesel

Bore105 mm (4.1 in)

Stroke135 mm (5.3 in)

Displacement7 L (427.7 in³)

AspirationTurbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)

Compression Ratio16.5:1

Combustion SystemDirect Injection

Rotation (from flywheel end)Counterclockwise

Cooling System Capacity15.2 L (16 qt)

Lube System (refill)13-16 L (13.7-16.9 U.S. qts)

engine dimensions approximate final dimensions dependent on selected options

Length1063.7 mm (41.9 in)

Width753-820.2 mm (29.6-32.3 in)

Height907 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

Length771-918.7 mm (30.4-36.2 in)

Width714.4-793 mm (28.1-31.2 in)

Height468-643.9 mm (18.4-25.3 in)

Weight90-134 kg (198-295.4 lb)

Diameter287-337.8 mm (11.3-13.3 in)

C7.1 ACERT™ STANDARD 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
    ACERT™ Technology
    Innovative filter design to ensure maximum protection of the engine
  • lube system
    Wide choice of sumps for different applications
  • power take off
  • general
    Paint: Caterpillar yellow, with optional colors available at request
  • us epa tier 4 interim eu stage iiib aftertreatment clean emissions control equipment
    Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
    NOx Reduction System (NRS)
    3" flex pipe connection kit with straight, 45°, and 90° options for flexibility
  • us epa tier 4 final eu stage iv 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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