CAT® C1.1 INDUSTRIAL POWER UNIT
C1.1 Industrial Power Units, with the rating: 17.9 bkW (24 bhp) @ 3000 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available for U.S. EPA Flexibility and for Europe and, depending on applicable emission standards, may be introduced in other regulated jurisdictions. 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 Rating17.9 bkW
Maximum Rating17.9 bkW
Rated Speed3000 rpm


emission standards
EmissionsU.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
general
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 end)Counterclockwise
Cooling System Capacity5.21 L (5.5 qt)
Lube System (refill)4.9 L (5.2 qt)
power unit dimensions approximate final dimensions dependent on selected options
Length778 mm (30.6 in)
Width438 mm (17.2 in)
Height730 mm (28.7 in)
Weight - Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C)129 kg (284 lb)
C1.1 STANDARD EQUIPMENT
- air inlet system
Inlet manifold - control system
Alternator 12 volt 15 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 - fuel system
Fuel injection pump
Fuel filter
Electronic Shut-off Solenoid (ESOS) - 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 - general
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