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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
Standard Equipment

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)

Power Rating

Minimum Power
156.0 bhp
Maximum Power
302.0 bhp
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 EU Stage IIIB Nonroad Equivalent (Non-Current for EU) Emission Standar

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
  • Control System
  • Cooling System
  • Flywheels and Flywheel Housing
  • Fuel System
  • Lube System
  • Power Take Off
  • General
  • U.S. EPA Tier 4 Interim, EU Stage IIIB Aftertreatment / Clean Emissions Control Equipment
  • U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment/ Clean Emissions Control Equipment