White Field Boss 21 VS Kubota ST-30 specs comparison

White Field Boss 21 1986 comparison online with competitors

White Field Boss 21

General Infos
Make White
Model Field Boss 21
Country United states
Production From 1986  Until 1988
Price 8,500  USD
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual White Field Boss 21 Manual

Dimensions, sizes and tires
AG front tires 4.00-12
AG rear tires 12.4-1
Lawn front tires 12.4-16 (2WD)
Lawn rear tires 12.4-16 (2WD)
Indus front tires -
Indus rear tires -
Weight 1,584 lbs or 718 kg
Length 105.5 inches [267 cm]
Width 42.9 inches [108 cm]
Height -
Wheelbase 59 inches [149 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 71.4 ci or 1.2 L
Cylinders 3 cylinders
Engine power 21 hp or 15.7 kW
Engine RPM 2600 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 6.1 gal or 23.1 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories White Field Boss 21 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system alternator
Charging Volts -
Charging Amps 35 amps
Clutch and gearbox specs
Trans system -
Trans type -
Trans gears 12 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system mechanical expanding shoe
Cabin type Two-post ROPS
Differentiel lock -
Hydraulics specifications
System open center
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2064 psi or 142.3 bar
Max flow 5.5 gpm or 20.8 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 19 hp or 14.2 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO crankshaft-driven
Front PTO RPM 2600 (rpm)
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch I
Rear hitch lift -
Front hitch -
Front hitch lift -

Kubota ST-30 1997 comparison online with competitors

Kubota ST-30

General Infos
Make Kubota
Model ST-30
Country Japan
Production From 1997  Until 2001
Price -
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual Kubota ST-30 Manual

Dimensions, sizes and tires
AG front tires 6.00-12
AG rear tires 9.5-22
Lawn front tires 24x8.50-14
Lawn rear tires 24x8.50-14
Indus front tires -
Indus rear tires -
Weight 1962 lbs or 889 kg
Length 107.1 inches [272 cm]
Width 47.2 inches [119 cm]
Height 84.5 inches [214 cm]
Wheelbase 63 inches [160 cm]
Ground clearance 9.3 inches [23 cm]
Turning radius -
Rear tread size 37.4 to 42.1 inches
Front tread size 40.2 inches
Turning radius -

Horsepower and engin specs
Engine capacity 91.4 ci or 1.5 L
Cylinders 4 cylinders
Engine power 28.7 hp or 21.4 kW
Engine RPM 2600 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 7.1 gal or 26.9 L
Oil capacity -
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Kubota ST-30 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type hydrostatic
Trans gears infinite (3-range) forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering -
Braking system wet disc
Cabin type Two-post ROPS
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow 5.6 gpm or 21.2 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 23.2 hp or 17.3 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM 1720 (rpm)
Fuel consumption -
3 point hitch specifiations
Hitch system position control
Rear hitch I
Rear hitch lift 1830 lbs or 830 kg
Front hitch -
Front hitch lift -

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