Challenger MT645B VS Ursus 4514 specs comparison
Challenger MT645B
General Infos| Make | Challenger |
| Model | MT645B |
| Country | United states |
| Production | From 2005 Until 2008 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | Challenger MT645B Manual |
Dimensions, sizes and tires
| AG front tires | 380/85R34 |
| AG rear tires | 480/80R46 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 18,308 lbs or 8304 kg |
| Length | 206 inches [523 cm] |
| Width | 118 inches [299 cm] |
| Height | 123.6 inches [313 cm] |
| Wheelbase | 121.1 inches [307 cm] |
| Ground clearance | 22.4 inches [56 cm] |
| Turning radius | - |
| Rear tread size | 60 to 88 inches |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 449 ci or 7.4 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 235 hp or 175.2 kW |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 159 gal or 601.8 L |
| Oil capacity | 20 qts or 18.9 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Challenger MT645B Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 775 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 150 amps |
| Trans system | TechStar |
| Trans type | continuously variable transmission (CVT) |
| Trans gears | infinite (2-range) forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | inboard planetary |
| Steering | power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard with heat and A/C |
| Differentiel lock | electrohydraulic front and rear |
| System | pressure flow compensated |
| Valves | 4 to 6 |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 26.4 gal or 99.9 L |
| Hydraulic pressure | 2900 psi or 200.0 bar |
| Max flow | 39 gpm or 147.6 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 172.30 hp or 128.5 kW |
| Fuel consumption | 12.0 gal/hour or 45.4 l/hour |
| Pulling power | 16,954 lbs or 7690 kg |
| Claimed power | 200 hp or 149.1 kW |
| Real power | 221.55 hp or 165.2 kW |
| Engine @RPM | 540@2037 (rpm) |
| PTO Clutch | electro-hydraulic wet disc |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 12.0 gal/hour or 45.4 l/hour |
| Hitch system | - |
| Rear hitch | III |
| Rear hitch lift | 15,600 lbs or 7076 kg |
| Front hitch | II |
| Front hitch lift | 7,700 lbs or 3492 kg |
Ursus 4514
General Infos| Make | Ursus |
| Model | 4514 |
| Country | Poland |
| Production | From 1988 Until 2011 |
| Price | - |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | Ursus 4514 Manual |
Dimensions, sizes and tires
| AG front tires | 11.2R24 |
| AG rear tires | 16.9R30 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 6107 lbs or 2770 kg |
| Length | 145.7 inches [370 cm] |
| Width | 72.8 inches [184 cm] |
| Height | 99.6 inches [252 cm] |
| Wheelbase | 90.6 inches [230 cm] |
| Ground clearance | - |
| Turning radius | 29.6 feet [9.0 m] |
| Rear tread size | 53.2 to 87.2 inches |
| Front tread size | 58.1 to 71.5 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 4514 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 | 4x4 MFWD 4WD |
| 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 | - |
Related tractor comparison
Ursus 4514 Kubota L3250
Challenger MT645B Renault 85-32 TX
Ursus 4514 CaseIH 2140
Challenger MT645B John Deere 3350
Ursus 4514 Steyr 8085
Ursus 4514 Deutz-Allis 7110
Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT645B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645B farm-tractor here
- Get your Ursus 4514 manual book version
- Cabine, electrical And mechanical parts for Ursus 4514 farm-tractor here