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Industrial Diesel Engines - Lesser Regulated & Non-Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® C1.6 Diesel Engine

The Cat® C1.6 Industrial Diesel Engine is offered in the following ratings: 26.5 bkW (33 & 35.5 bhp) @ 2800 & 3000 rpm. These ratings meet EU Stage IIIA (U.S. EPA Tier 4 Interim) emission standards. Industries and applications powered by C1.6 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.

  • Specification Summary

  • Minimum Power24.6 bkW
  • Maximum Power26.5 bkW
  • Frequency2800 & 3000 rpm
  • EmissionsU.S. EPA Tier 4 Interim Equivalent
  • Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel

Product Details

Power Rating

Minimum Power 24.6 bkW
Maximum Power 26.5 bkW
Frequency 2800 & 3000 rpm

Emission Standards

Emissions U.S. EPA Tier 4 Interim Equivalent


Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 77 mm (3.03 in)
Stroke 81 mm (3.19 in)
Displacement 1.508 L (92 in³)
Aspiration Naturally Aspirated (NA)
Compression Ratio 22.9:1
Combustion System Indirect Injection
Rotation (from flywheel end) Counterclockwise
Lube System (refill) 6.5 L (6.9 qt)

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

Length 591 mm (23.3 in)
Width 420 mm (16.5 in)
Height 576 mm (22.7 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 106.8 kg (235.5 lb)
  • Air Inlet System
    •  Inlet manifold with choice of inlets.
  • Inlet manifold with choice of inlets.
    • Control System
      •  Alternator 12 volt 40 amp
      •  Starter motor 12 volt
      •  Glow plug starting aid
    • 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
          • 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: Caterpillar yellow, with optional colors available at request

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