New CAT Equipment

Cat?� C7.1 Diesel Engine

Demanding conditions, applications and environments make Cat?� C7.1 Industrial Diesel Engines in this power range 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. C7.1 engines, with ratings: 105-162 bkW (140-220 lb) @ 1950-2200 rpm, meet China Stage II, U.S. EPA Tier 2 equivalent, EU Stage II equivalent emission standards. They are available in China and non-regulated areas.

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    • Emission Standards
      Emissions
      China Nonroad Stage III, UN ECE R96 Stage IIIA
    • Engine Dimensions - Approximate
      Height
      32.3 in
      Length
      44.9 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      1118 lb
      Width
      28.4 in
    • General
      Aftertreatment
      -
      Aspiration
      Turbocharged Aftercooled (TA)
      Bore
      4.1 in
      Combustion System
      Direct Injection
      Compression Ratio
      18.2:1
      Displacement
      427.7 in³
      Engine Configuration
      Inline 6, 4-Stroke-Cycle
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      5.3 in
    • Power Rating
      Maximum Power
      217 HP
      Maximum Torque
      663 lb-ft @ 1400 rpm
      Minimum Power
      150 HP
      Rated Speed
      1950-2200 rpm
    Air Inlet
    • Standard air cleaners
    Cooling System
    • Top tank temperature 108°C (226°F) as standard to minimize cooling pack size, 50:50 water glycol mix, detailed guidance on cooling system design and validation available to ensure machine reliability
    Exhaust System
    • Diesel particulate filter and regeneration system supplied, with a range of inlet and outlet options
    Flywheels and Flywheel Housing
    • Wide choice of drivetrain interfaces, including SAE1, SAE2 or SAE3 configurations
    Lube System
    • Wide choice of sumps for different applications
    Power Take Off
    • SAE A or SAE B flanges on left-hand side. Right- hand side twin PTO also available. Engine power can also be taken from the front of the engine on some applications, factory fitted compressors are also available.
    General
    • Paint: Caterpillar yellow, with optional colors available at request