Industrial Diesel Engines C7.1

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Key Specs

Maximum Power
217 HP
162 kW
Maximum Torque
663 lb-ft @ 1400 rpm
900 Nm @ 1400 rpm
Emissions
China Nonroad Stage III, UN ECE R96 Stage IIIA
China Nonroad Stage III, UN ECE R96 Stage IIIA

Overview

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.

Product Specifications for C7.1

Maximum Power 217 HP 162 kW
Maximum Torque 663 lb-ft @ 1400 rpm 900 Nm @ 1400 rpm
Rated Speed 1950-2200 rpm 1950-2200 rpm
Minimum Power 150 HP 112 kW
Emissions China Nonroad Stage III, UN ECE R96 Stage IIIA China Nonroad Stage III, UN ECE R96 Stage IIIA
Engine Configuration Inline 6, 4-Stroke-Cycle Inline 6, 4-Stroke-Cycle
Bore 4.1 in 105 mm
Stroke 5.3 in 135 mm
Displacement 427.7 in³ 7.01 l
Compression Ratio 18.2:1 18.2:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Combustion System Direct Injection Direct Injection
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Length 44.9 in 1140 mm
Width 28.4 in 720 mm
Height 32.3 in 820 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1118 lb 507 kg

C7.1 Standard Equipment

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

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