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Specifications
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Standard/Optional Equipment
Maximum Power
20.5hp
Maximum Torque
37.1lb-ft @ 2400 rpm
Rated Speed
2800-3600 rpm
Minimum Power
16.4hp
Emissions
U.S. EPA Tier 4 Interim Equivalent
Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
Bore
2.6in
Stroke
2.8in
Displacement
46.4in³
Compression Ratio
23.5:1
Aspiration
Naturally Aspirated (NA)
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
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Length
18.9in
Width
14.6in
Height
20.8in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
156.5lb
Air Inlet
Inlet manifold with choice of inlets.
Control System
Alternator 12 volt 14 amp
Starter motor 12 volt
Glow plug starting aid
Cooling System
Belt-driven coolant pump
Coolant temperature switch
Choice of cooling fans
Flywheel and 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
Closed circuit breather
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
ALL
Air Inlet
Inlet manifold with choice of inlets.
Control System
Alternator 12 volt 14 amp
Starter motor 12 volt
Glow plug starting aid
Cooling System
Belt-driven coolant pump
Coolant temperature switch
Choice of cooling fans
Flywheel and 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
Closed circuit breather
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