Challenger MT645E VS Ursus 5712 specs comparison

Challenger MT645E
General InfosMake | Challenger |
Model | MT645E |
Country | United states |
Production | From 2014 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645E Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 23810 lbs or 10800 kg |
Length | 218.6 inches [555 cm] |
Width | - |
Height | 141 inches [358 cm] |
Wheelbase | 122 inches [309 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 512.6 ci or 8.4 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 240 hp or 179.0 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 166 gal or 628.3 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Challenger MT645E Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | 12 V |
Charging Amps | 240 amps |
Trans system | Techstar CVT |
Trans type | continuously variable transmission (CVT) |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | electro-hydraulic |
System | closed center load sensing |
Valves | 4 to 6 |
Pump flow | 54 gpm or 204.4 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | - |
Drawbar type | Cat |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 205 hp or 152.9 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | III/IVN |
Rear hitch lift | 26455 lbs or 11999 kg |
Front hitch | - |
Front hitch lift | - |

Ursus 5712
General InfosMake | Ursus |
Model | 5712 |
Country | Poland |
Production | From 2002 Until 2009 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Ursus 5712 Manual |
Dimensions, sizes and tires
AG front tires | 7.50-20 |
AG rear tires | 16.9R34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 6393 lbs or 2899 kg |
Length | 148.6 inches [377 cm] |
Width | 79.1 inches [200 cm] |
Height | 100.4 inches [255 cm] |
Wheelbase | 88.8 inches [225 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 59.1 to 87.4 inches |
Front tread size | 55.1/59.1/63/66.9/70.9 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 248.4 ci or 4.1 L |
Cylinders | 4 cylinders |
Engine power | 79.8 hp or 59.5 kW |
Engine RPM | 2200 (rpm) |
Torque | 210.2 lb-ft or 285.0 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 21.1 gal or 79.9 L |
Oil capacity | 8.8 qts or 8.3 L |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Ursus 5712 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 120 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | 12 V |
Charging Amps | 44 amps |
Trans system | - |
Trans type | - |
Trans gears | 12 forward and 4 reverse |
Clutch system | 305mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | mechanical wet disc |
Cabin type | Two-post ROPS |
Differentiel lock | mechanical rear |
System | - |
Valves | - |
Pump flow | 6.9 gpm or 26.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 11.1 gal or 42.0 L |
Hydraulic pressure | 2321 psi or 160.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 67.1 hp or 50.0 kW |
Real power | - |
Engine @RPM | 540@1992 (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 | 6173 lbs or 2800 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Challenger provided us with the latest version of its MT645E service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645E farm-tractor here
- Get your Ursus 5712 manual book version
- Cabine, electrical And mechanical parts for Ursus 5712 farm-tractor here