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Ziegler CAT

Caterpillar

Cat® C7.1 ACERT™ Diesel Engine

Maximum Power

320 HP

Maximum Torque

935 lb-ft @ 1400 rpm

Emissions

U.S. EPA & CARB Tier 4 Final, EU Stage V

Overview

The C7.1 Industrial Diesel Engine is offered in ratings from 129-225 bkW (172-302 bhp) @ 2200 rpm and meets U.S. EPA Tier 4 Final, EU Stage V emission standards. Industries and applications powered by C7.1 engines include: Agriculture, 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.

Photos

360° View

Exterior

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

Documents

Features

Specifications

  • Power Rating
    Spec Value
    Maximum Power 320 HP
    Maximum Torque 935 lb-ft @ 1400 rpm
    Rated Speed 2200 rpm
    Minimum Power 172 HP
  • Emission Standards
    Spec Value
    Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V
  • General
    Spec Value
    Engine Configuration In-Line 6
    Bore 4.1 in
    Stroke 5.3 in
    Displacement 427.7 in³
    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
    Spec Value
    Length 41.9 in
    Width 31.4 in
    Height 35.9 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1658 lb
  • Aftertreatment Dimensions
    Spec Value
    Length 29 in
    Width 30.3 in
    Height 18.1 in
    Diameter 13.3 in
    Weight 236 lb

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
  • 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
  • Innovative filter design to ensure maximum protection of the engine

Lube System

  • Wide choice of sumps for different applications

General

  • Paint: Caterpillar yellow, with optional colors available at request

U.S. EPA Tier 4 Final, EU Stage V 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