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Industrial Diesel Engines - Highly Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® C7.1 ACERT™ Diesel Engine

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.

  • Specification Summary

  • Minimum Power 116.0 bkW
  • Maximum Power 225.0 bkW
  • Frequency 2200 rpm
  • Emissions U.S. EPA Tier 4 Final Nonroad, EU Stage IV Nonroad, U.S. EPA Tier 4 Interim Nonroad Equivalent (Not Currently EPA Certified) and

Product Details

Power Rating

Minimum Power 116.0 bkW
Maximum Power 225.0 bkW
Frequency 2200 rpm

Emission Standards

Emissions U.S. EPA Tier 4 Final Nonroad, EU Stage IV Nonroad, U.S. EPA Tier 4 Interim Nonroad Equivalent (Not Currently EPA Certified) and

General

Engine Configuration In-Line 6, 4-Stroke-Cycle Diesel
Bore 105 mm (4.1 in)
Stroke 135 mm (5.3 in)
Displacement 7 L (427.7 in³)
Aspiration Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Compression Ratio 16.5:1
Combustion System Direct Injection
Rotation (from flywheel end) Counterclockwise
Cooling System Capacity 15.2 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)

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)
  • 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
  • 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
      • Wide choice of sumps for different applications
        • Power Take Off
          • General
            •  Paint: Caterpillar yellow, with optional colors available at request
          • U.S. 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
          • 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
                • U.S. 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
                • 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
                        Built for it