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Maximum Power40.2 HP (30 kW)
Maximum Torque92 lb-ft @ 1800 rpm (125 Nm @ 1800 rpm)
EmissionsU.S. EPA & CARB Tier 4 Final
Rated Speed2800 rpm
The new electronic Cat® C1.7 Industrial Diesel Engines, with common rail fuel system, deliver impressive performance throughout a wide speed range with exceptional power density. Ultracompact package size and extensive options make them ideal for agriculture, aerial lifts, compressors, construction, general industrial, irrigation equipment, material handling, mobile earthmoving equipment, mobile light towers, turf and landscaping, underground mining equipment, and welders.


Maximum Power40.2 HP (30 kW)
Maximum Torque92 lb-ft @ 1800 rpm (125 Nm @ 1800 rpm)
EmissionsU.S. EPA & CARB Tier 4 Final
Rated Speed2800 rpm
Minimum Power33.5 HP (25 kW)
Engine ConfigurationIn-Line 3
Bore3.3 in (84 mm)
Stroke3.9 in (100 mm)
Displacement103.7 in³ (1.7 l)
Compression Ratio18.0:1
AspirationTurbocharged (T)
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
Length25.2 in (640 mm)
Width21.4 in (545 mm)
Height28.9 in (736 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments419 lb (190 kg)
Length16 in (408 mm)
Diameter6.1 in (155 mm)
Weight12.8 lb (5.8 kg)

Benefits and Features

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

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

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

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

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

  • Scheduled maintenance, including SOSSM 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

Regeneration Free. The Diesel Oxidation Catalyst (DOC) technology provides customers with an aftertreatment solution that is as compact as possible. The aftertreatment is regeneration-free, providing a seamless operation throughout the work cycle. Mounting. Mounted on-engine, as standard. This will provide the simplest installation and the lowest total cost for the equipment manufacturer. An off-engine option will be offered for some equipment.

Standard Equipment

  • Standard air cleaner
  • Turbocharger
  • Alternator 12 volt 85 amp
  • Starter motor 12 volt
  • Glow plug starting aid
  • Electronic control unit
  • Flexible and configurable software features and well supported SAE J1939 CAN bus enables highly integrated machines
  • All connectors and wiring harness are waterproof and designed to withstand harsh non-road environments
  • Robust reliable sensors
  • Belt-driven coolant pump
  • Coolant temperature switch
  • Choice of cooling fans
  • Fan drive options
  • Flywheel and flywheel housing options
  • Electronic 2000 bar common rail fuel system
  • Spin-on fuel filter
  • Simple pintle nozzle injectors
  • Spin on oil filter
  • Lube oil pressure switch
  • Sump options for various applications
  • SAE A PTO drive
  • Cast iron, engine block
  • Cast iron exhaust manifold options
  • Paint: Caterpillar yellow, with optional colors available at request
  • Induction manifold options
  • Engine mounting
  • Block heater provision