White Field Boss 21 VS Kubota GM90 specs comparison

White Field Boss 21
General InfosMake | 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 |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 35 amps |
Trans system | - |
Trans type | - |
Trans gears | 12 forward and 4 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | mechanical expanding shoe |
Cabin type | Two-post ROPS |
Differentiel lock | - |
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 type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
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 | - |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Kubota GM90
General InfosMake | Kubota |
Model | GM90 |
Country | Japan |
Production | From 1998 Until 2007 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Kubota GM90 Manual |
Dimensions, sizes and tires
AG front tires | 11.2-24 |
AG rear tires | 13.6-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 6327 lbs or 2869 kg |
Length | 156.9 inches [398 cm] |
Width | 70.1 inches [178 cm] |
Height | 101.4 inches [257 cm] |
Wheelbase | 92.7 inches [235 cm] |
Ground clearance | 19.1 inches [48 cm] |
Turning radius | - |
Rear tread size | 48 to 55.1 inches |
Front tread size | 47.6 to 55.1 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 202.5 ci or 3.3 L |
Cylinders | 4 cylinders |
Engine power | 87.8 hp or 65.5 kW |
Engine RPM | 2600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 27.7 gal or 104.8 L |
Oil capacity | - |
Oil change | - |
Starter motor | negative |
Starter volts | 12 V |
Parts And Accessories | Kubota GM90 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | electric |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | - |
Trans gears | 24 forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 587 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position and draft control |
Rear hitch | II |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- White provided us with the latest version of its Field Boss 21 service repair manual
- Find All mechanical and electrical parts and accessories of White Field Boss 21 farm-tractor here
- Get your Kubota GM90 manual book version
- Cabine, electrical And mechanical parts for Kubota GM90 farm-tractor here