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C7.1

Industrial Diesel Engines

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.

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Maximum Power 240 kW
Maximum Torque 1268 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 129 kW
Availability Contact Dealer
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C7.1
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FEATURES & BENEFITS

Installation

Boasting one of Caterpillar's most modular engine designs to date, the Cat C7.1 also features an engine-mounted aftertreatment that saves OEMs valuable time and space whe... Read more

Advanced Features

The Cat C7.1 uses passive regeneration technology, so operators can continue to perform their toughest tasks, in the most severe environments, without having to wait on t... Read more

Ideal Applications

Industrial, agricultural and construction applications such as: Pumps • Compressors • Chippers • Grinders • Asphalt paving equipment • Hydraulic power units • Bore rigs •... Read more

Total Cost of Ownership

The benefits to downsizing are many, including an 18% decrease in overall fuel consumption when downsizing from a 6-cylinder engine. With an added 3-4% decrease in overal... Read more

Cat Dealer Product Support

Scheduled maintenance, included warranty, reliable dealer service and a comprehensive global dealer support network—it’s all standard with the Cat C7.1. See your Cat deal... Read more

Safety

Validated with thousands of hours of field testing, the Cat C7.1 is built to meet Caterpillar's strict safety standards and customers' most demanding work sites throughou... Read more

SPECIFICATIONS FOR C7.1

Collapse All
Power Rating
Maximum Power 240 kW
Maximum Torque 1268 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 129 kW
Emission Standards
Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V
General
Engine Configuration In-Line 6
Bore 105 mm
Stroke 135 mm
Displacement 7 l
Compression Ratio 16.5:1
Aspiration Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR
Engine Dimensions - Approximate
Length 1064 mm
Width 798 mm
Height 912 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 752 kg
Aftertreatment Dimensions
Length 733 mm
Width 769 mm
Height 455 mm
Weight 107 kg
Aftertreatment Dimensions*
Diameter 338 mm

SELECT MODELS TO COMPARE

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C4.4

Maximum Power 150 kW
Maximum Torque 825 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 82 kW
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C32

Maximum Power 895 kW
Maximum Torque 5499 Nm @ 1200 rpm
Rated Speed 1800 rpm
Minimum Power 746 kW
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C7.1

Maximum Power 205 kW
Maximum Torque 1050 Nm @ 1400 rpm
Rated Speed 2200-2500 rpm
Minimum Power 116 kW
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C7.1

Maximum Power 162 kW
Maximum Torque 900 Nm @ 1400 rpm
Rated Speed 1950-2200 rpm
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C18

Maximum Power 597 kW
Maximum Torque 3655 Nm @ 1400 rpm
Rated Speed 1800-2100 rpm
Minimum Power 429 kW
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3508B

Maximum Power 820 kW
Maximum Torque 4353 Nm @ 1450 rpm
Rated Speed 1800 rpm
Minimum Power 746 kW
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C4.4

Maximum Power 129.4 kW
Maximum Torque 750 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 70 kW
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3516C

Maximum Power 1506 kW
Maximum Torque 10254 Nm @ 1300 rpm
Rated Speed 1750 rpm
Minimum Power 1506 kW
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