Specifications, Service, and Repair of Farm and Lawn Tractors

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Kubota RK60 Engine

General Technical Data

Kubota RK60 Engine Specifications

Engine Model ............... Kubota RK60
Engine Type ............... Horizontal water-cooled 4-cycle diesel engine
Number of Cylinders ............... 1
Displacement, cc (cu.in) ............... 276 (16.8)
Cylinder Bore, mm (in) ............... 76.0 (2.99)
Piston Stroke, mm (in) ............... 75.0 (2.95)
Rated Engine Power, hp (kW) ............... 6.0 (4.4)
Rated Engine Speed, rpm ............... 2400
Maximum Torque, Nm (ft-lbs) ............... 19.5 (14.3)
Torque Speed, rpm ............... 1800
Compression Ratio ............... 24:1
Direction of Rotation ............... Counter-clockwise (facing flywheel)
Combustion System ............... Three vortex
Fuel System Type ............... Injection pump
Cooling System ............... Radiator
Lubrication System ............... Forced lubrication with trochoid pump
Starting System ............... Manual speed-doubling handle
Fuel Tank Capacity, L (gal) ............... 7.5 (2.0)
Oil Capacity, L (qts) ............... 2.0 (2.1)
Coolant Capacity, L (qts) ............... 1.3 (1.4)
Electrical System Rating, Volts ............... 12

Dimensions and Weight

Overall Length, mm (in) ............... 650 (25.6)
Overall Width, mm (in) ............... 323 (12.7)
Overall Height, mm (in) ............... 492 (19.4)
Net weight, kg (lbs) ............... 65.0 (143.3)

Kubota RK60 Maintenance Data

Engine Oil and Filters

Engine Oil Type ............... SAE 30, SAE 10W-30
Oil Classification (API Service) ............... CB or CC
Oil Capacity, L (qts) ............... 2.0 (2.1)
Fuel Filter Part Number ............... 15231-43560
Air Filter Part Number ............... 1T334-11011

Service Intervals

Change Engine Oil ............... Every 100 hours
Clean Fuel Filter ............... Every 100 hours
Clean Air Cleaner ............... Every 100 hours
Clean Oil Strainer ............... Every 100 hours
Clean Radiator Fins ............... Every 100 hours
Replace Fuel Filter ............... Every 300 hours
Replace Air Cleaner ............... Every 300 hours
Clean Fuel Tank ............... Every 300 hours
Check and Adjust Valve Clearance ............... Every 500 hours
Check Nozzle Injection Pressure ............... Every 500 hours
Clean Injection Nozzle ............... Every 800 hours
Change Engine Coolant ............... Every 800 hours

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KUBOTA TRACTORS SPECIFICATIONS

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KUBOTA ENGINES DATA AND SERVICE SPECS

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KUBOTA FRONT END LOADERS

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KUBOTA TRACTORS TROUBLESHOOTING
L235 L2501 L2550 L275 L3110
L3301 L35 L3710 L3901 L4310
L5030 M4700 M5700 M6040 M6800
M8200 M8540 M9000 MX5100 MX5200