Main content

Caterpillar

Cat?� C7.1 Diesel Engine

Demanding conditions, applications and environments make the 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: 116-205 bkW (140-275 bhp) @ 2200-2500 rpm, meet China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Media

Photos

C7.1 LRC Diesel Engines – Lesser Regulated & Non-Regulated
C7.1 LRC Diesel Engines – Lesser Regulated & Non-Regulated

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Features

Reliable, Quiet and Durable Power

High Performance

Fuel Efficiency

Fuel & Oil

Broad Application Range

Package Size

World-class Product Support Offered Through Global Cat Dealer Network

Details

Specifications

Spec Value
Maximum Power 275 hp 205 kW
Maximum Torque 774 lb-ft @ 1400 rpm 1050 Nm @ 1400 rpm
Rated Speed 2200-2500 rpm 2200-2500 rpm
Minimum Power 155.6 hp 116 kW
Spec Value
Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
Spec Value
Engine Configuration In-Line 6, 4-Stroke-Cycle Diesel In-Line 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 105 mm
Stroke 5.3 in 135 mm
Displacement 427.7 in³ 7.01 l
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 36.6 in 929 mm
Width 26.3 in 668 mm
Height 32.2 in 817 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 1115 lb 506 kg

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, 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

Fuel System

  • Electronic high pressure common rail, ACERTTM Technology, innovative filter design to ensure maximum protection of the engine.

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

Sign up for Riggs Cat Emails

  • This field is for validation purposes and should be left unchanged.