336 Excavator

  • Specs Summary
  • Minimum Power
    28 bhp (20.9 bkW)
  • Maximum Power
    40.2 bhp (30 bkW)
  • Emissions
    U.S. EPA Tier 4 Interim Equivalent
  • Frequency
    2200-3000 rpm

Cat® C1.5 Diesel Engine

Cat® C1.5 Industrial Diesel Engines 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. Applications powered by C1.5 engines include: Agriculture Tractors, Combines and Harvesters, Aircraft Ground Support, Bore/Drill Rigs, Chippers, Grinders, Compactors, Rollers, Compressors, Construction, Irrigation, Pumps, Turf, Landscaping, Mobile Earthmoving, Paving, Trenchers, Underground Mining, and Material Handling. C1.5 engines, with ratings: 20.9-30 bkW (28-40.2 bhp) @ 2200-3000 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

Power Rating

  • Minimum Power 28 bhp (20.9 bkW)
  • Maximum Power 40.2 bhp (30 bkW)
  • Frequency 2200-3000 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Interim Equivalent

General

  • Engine Configuration Inline 3, 4-Stroke-Cycle Diesel
  • Bore 84 mm (3.3 in)
  • Stroke 90 mm (3.5 in)
  • Displacement 1.496 L (91 in³)
  • Aspiration Naturally Aspirated (NA) or Turbocharged (T)
  • Compression Ratio 22.5:1
  • Combustion System Indirect Injection
  • Rotation (from flywheel end) Counterclockwise
  • Lube System (refill) 6 L (6.3 qt)

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

  • Length 572 mm (22.5 in)
  • Width 453-512 mm (17.8-20.2 in)
  • Height 643 mm (25.3 in)
  • Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 149-156.5 kg (328-345 lb)

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

PETU Dimensions (Tier 4 Final, Stage IV Only)

Standard Equipment

Air Inlet System

  • Inlet manifold with choice of inlets.

Control System

  • Alternator 12 volt 65 amp
  • Starter motor 12 volt
  • Glow plug starting aid
  • Tier 4 Final: Alternator 12V 85 amp

Cooling System

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

Flywheel & Flywheel Housing

  • Naturally Aspirated: SAE No. 7 1/2 flywheel
  • Turbocharged: SAE No. 6 1/2 or SAE No. 7 1/2 flywheel
  • EPA Tier 4 Final Turbocharged: SAE No. 7 1/2 flywheel
  • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
  • Turbocharged: Choice of SAE No. 4 or SAE No. 5 or standard backplate flywheel housing
  • Tier 4 Final Turbocharged: Choice of SAE No. 4 or SAE No. 5 or standard backplate flywheel housing

Fuel System

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

Lube System

  • Alternative oil fillers
  • Spin-on 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: Caterpillar yellow, with optional colors available at request

Optional Equipment