Kubota KB21X VS Ursus 4512 specs comparison

Kubota KB21X
General InfosMake | Kubota |
Model | KB21X |
Country | Japan |
Production | From 2009 Until 2014 |
Price | - |
Tractor type | Sub Compact Utility tractor |
Fuel | diesel |
Service repair manual | Kubota KB21X Manual |
Dimensions, sizes and tires
AG front tires | 6.00-12 |
AG rear tires | 9.5-20 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 1554 lbs or 704 kg |
Length | 97.6 inches [247 cm] |
Width | 47.6 inches [120 cm] |
Height | 77.2 inches [196 cm] |
Wheelbase | 53.7 inches [136 cm] |
Ground clearance | 13.8 inches [35 cm] |
Turning radius | - |
Rear tread size | 35 inches |
Front tread size | 33.5 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 68.5 ci or 1.1 L |
Cylinders | 3 cylinders |
Engine power | 20.7 hp or 15.4 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 KB21X Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Glideshift |
Trans type | power shift |
Trans gears | 36 forward and 24 reverse |
Clutch system | dry disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | mechanical wet disc |
Cabin type | Two-post ROPS |
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 | 530@2600 (rpm) |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Ursus 4512
General InfosMake | Ursus |
Model | 4512 |
Country | Poland |
Production | From 1988 Until 2011 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Ursus 4512 Manual |
Dimensions, sizes and tires
AG front tires | 7.5-16 |
AG rear tires | 16.9R30 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 5401 lbs or 2449 kg |
Length | 148.6 inches [377 cm] |
Width | 76 inches [193 cm] |
Height | 99.2 inches [251 cm] |
Wheelbase | 88.8 inches [225 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 59.1 to 81.2 inches |
Front tread size | 55.1 to 70.9 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 235.9 ci or 3.9 L |
Cylinders | 4 cylinders |
Engine power | 66 hp or 49.2 kW |
Engine RPM | 2000 (rpm) |
Torque | 180.7 lb-ft or 245.0 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 21.1 gal or 79.9 L |
Oil capacity | 7.4 qts or 7.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Ursus 4512 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 120 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 55 amps |
Trans system | - |
Trans type | creeper |
Trans gears | 12 forward and 3 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | mechanical wet disc |
Cabin type | Cab optional with available heater |
Differentiel lock | mechanical rear |
System | - |
Valves | - |
Pump flow | 6.9 gpm or 26.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 11.6 gal or 43.9 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 59 hp or 44.0 kW |
Real power | - |
Engine @RPM | 540@1686 (rpm) |
PTO Clutch | - |
Rear PTO | live |
Rear PTO RPM | 540 (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 | 5291 lbs or 2399 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Kubota provided us with the latest version of its KB21X service repair manual
- Find All mechanical and electrical parts and accessories of Kubota KB21X farm-tractor here
- Get your Ursus 4512 manual book version
- Cabine, electrical And mechanical parts for Ursus 4512 farm-tractor here