New | Cat® C1.1 Industrial Power Unit

The Cat® C1.1 Industrial Power Unit is offered in ratings ranging from 14.4-18.4 bkW/19.3-24.7 bhp @ 2200-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 17.3-18.1 bkW (23.2-24.3 bhp) @ 2800-3000 rpm are available for Europe and, depending on applicable emission standards, may be introduced in other regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

Power Rating
Minimum Power19.3 BHP
Maximum Power26.4 BHP
Rated Speed3000 rpm
Emission Standards
Emissions14.4-18.4 bkW (19-24.7 bhp) meet U.S. EPA Tier 4 Final. Other ratings available for Europe and other regions.
Engine ConfigurationInline 3, 4-Stroke-Cycle Diesel
Bore77 mm (3.03 in)
Stroke81 mm (3.19 in)
Displacement1.131 L (69 in³)
AspirationNaturally Aspirated (NA)
Compression Ratio23:1
Rotation from Flywheel EndCounterclockwise
Cooling System - Capacity5.21 L (5.5 qt)
Lube System - Refill4.9 L (5.2 qt)
Power Unit Dimensions - Approximate
Height730 mm (28.7 in)
Length778 mm (30.6 in)
Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C129 kg (284 lb)
Width438 mm (17.2 in)

World-class Manufacturing Capability And Processes Coupled With Proven Core Engine Designs Assure Reliability, Quiet Operation, And Many Hours Of Productive Life.

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.

No Change To The Core Engine Or Hook Up Points And A High Level Of Component Commonality From Tier 4 Interim To Tier 4 Final, Results In Minimum Equipment Change And Development Costs To Upgrade To Tier 4 Final, As Well As Common Equipment Configurations For Export Markets.

Single-side Servicing Improves Ease Of Maintenance And Simplifies The Servicing Routine. Standard 500 Hour Service Intervals.

Every Cat Engine Is Manufactured To Stringent Quality Standards In Order To Assure Customer Satisfaction.

  • 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

Standard Equipment

Air Inlet System
  • Inlet manifold
Control System
  • Alternator 12 volt 65 amp
  • Starter motor 12 volt
  • Glow plug starting aid
Cooling System
  • Belt-driven coolant pump
  • Coolant temperature switch
  • Mounted radiator and fan
Flywheel and Flywheel Housing
  • SAE No. 6 1/2 flywheel
  • SAE No. 5 flywheel housing
  • U.S. EPA Tier 4 Final: Standard backplate flywheel housing and flatface flywheel
Fuel System
  • Fuel injection pump
  • Fuel filter
Lube System
  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Lube oil sump
Power Take Off (PTO)
  • Provision for timing case rear facing PTO
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request



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Why Cat is Better. Machine Comparison

With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric

San Diego - Power
Steve Jamison
Power Systems Sales Manager
858.376.6821 office
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Service Manager - CSA Group
858.376.6874 office
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Paul Karpf
Rental Department Manager
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Hawaii – Power
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Guam – Power
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Power Systems Rental &
Sales Representative
671.649.4241 office
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Service Manager
671.649.4212 office
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