Industrial engines

C1.7 China Nonroad Stage IV

Cat® C1.7 Industrial Diesel deliver impressive performance throughout a wide speed range with exceptional power density. Their ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. 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. C1.7 engines, with ratings: 23.6 & 26.1 bkW (31.6 & 35 bhp) @ 2400 & 2600 rpm, meet China Nonroad Stage IV emission standards. They are available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

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Reliable, Quiet and Durable Power

  • Manufactured in some of the world's most modern and highly automated production facilities, the Cat® C1.7 is proven to deliver durable power and offers a wide range of customization options that refuse to compromise quality and durablity.The stiff block and indirect injection system make this a quiet engine, minimizing operator fatigue and saving money forOEMs in sound attenuation measures.

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

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

Compact Size

  • With a 18.9 kW (25.3 hp) power rating, the C1.7 allows OEMs to consider different installation, operating and commercialrequirements. This model is particularly adapted to machines which need high torque, low speed operation or good cold start capability.

Exceptional 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
Power Rating
Maximum Power25.3 hp
Maximum Torque72.2 lb-ft @ 1400 rpm
Rated Speed2200 rpm
Minimum Power25.3 hp
Emission Standards
EmissionsChina Nonroad Stage IV
General
Engine ConfigurationIn-Line 3
Bore3.3 in
Stroke3.9 in
Displacement101.4 in³
Compression Ratio23:01
AspirationNaturally aspirated
Combustion Systemindirect injection
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Total Coolant Capacity0.66 gal (US)
Engine Dimensions - Approximate
Length22.2 in
Width17.8 in
Height25.7 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments353 lb

Air Inlet System

  • Standard air cleaner
  • Naturally aspirated

Control System

  • Alternator 12 volt 65 or 85 amp
  • Starter motor 12 volt
  • Glow plug starting aid
  • Electronic control unit with mechanical fuel system
  • N/A
  • All connectors and wiring harness are waterproof and designed to withstand harsh non-road environments
  • Robust reliable sensors

Cooling System

  • Belt-driven coolant pump
  • Coolant temperature switch
  • Choice of cooling fans
  • Fan drive options

Flywheel & Flywheel Housing

  • Flywheel and flywheel housing options

Fuel System

  • Indirect injection
  • Spin-on fuel filter
  • Simple pintle nozzle injectors

Lube System

  • Spin on oil filter
  • Lube oil pressure switch
  • Sump options for various applications

Power Take Off (PTO)

  • SAE A PTO drive

General

  • Cast iron, engine block
  • Cast iron exhaust manifold options
  • Paint: Caterpillar yellow, with optional colors available on request
  • Induction manifold options
  • Engine mounting
  • Block heater provision

Aftertreatment/Clean Emissions Control Equipment

  • NA
  • NA
  • C1.7 China Nonroad Stage IV spec sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations