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Overview

The Cat® C1.7 Industrial Diesel Engine is offered in the following ratings: 23.6 & 26.1 bkW (31.6 & 35 bhp) @ 2400 & 2600 rpm. These ratings meet EU Stage IIIA (U.S. EPA Tier 4 Interim equivalent) emission standards. Industries and applications powered by C1.7 engines include: Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers, Turf and Landscaping and Underground Mining Equipment.

Power Rating

Units:
Minimum Power 31.6 bhp 23.6 bkW Less
Maximum Power 35.0 bhp 26.1 bkW Less
Frequency 2400 & 2600 rpm 2400 & 2600 rpm Less

Emission Standards

Emissions U.S. EPA Tier 4 Interim Equivalent U.S. EPA Tier 4 Interim Equivalent Less

General

Engine Configuration Inline 3, 4-Stroke-Cycle Diesel Inline 3, 4-Stroke-Cycle Diesel Less
Bore 84 mm (3.3 in) 84 mm (3.3 in) Less
Stroke 100 mm (3.9 in) 100 mm (3.9 in) Less
Displacement 1.662 L (101.4 in³) 1.662 L (101.4 in³) Less
Aspiration Naturally Aspirated (NA) Naturally Aspirated (NA) Less
Compression Ratio 23.0:1 23.0:1 Less
Combustion System Indirect Injection Indirect Injection Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Lube System (refill) 10.6 L (11.2 qt) 10.6 L (11.2 qt) Less

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 564 mm (22.2 in) 564 mm (22.2 in) Less
Width 453 mm (17.8 in) 453 mm (17.8 in) Less
Height 654 mm (25.7 in) 654 mm (25.7 in) Less
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 160 kg (353 lb) 160 kg (353 lb) Less

Emissions

Meets U.S. EPA Tier 4 Interim equivalent emission standards. Available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

High Performance

Substantial torque rise delivers impressive performance throughout a wide speed range while maintaining low operating costs.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Ultra-compact package size ensures ease of installation as well as exceptional power density.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•SSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

C1.7 Standard Equipment

Air Inlet System
  • Inlet manifold with choice of inlets.

Control System
  • Alternator 12 volt 40 amp
  • Starter motor 12 volt
  • Glow plug starting aid

Cooling System
  • Belt-driven coolant pump
  • Coolant temperature switch
  • Choice of cooling fans

Flywheel & Flywheel Housing
  • SAE No. 6 1/2 flywheel
  • Choice of SAE No. 5 or standard backplate flywheel housing

Fuel System
  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)

Lube System
  • Lube oil filter
  • Lube oil pressure switch
  • Lube oil sump

General
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Gradeability 35° continuous
  • Paint: Cat yellow, with optional colors available at request

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