Challenger MT445B VS Zetor Proxima Plus 90 specs comparison
Challenger MT445B
General Infos| Make | Challenger |
| Model | MT445B |
| Country | United states |
| Production | From 2004 Until 2013 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | Challenger MT445B Manual |
Dimensions, sizes and tires
| AG front tires | 10.00-16 (2WD) |
| AG rear tires | 480/70R38 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 8,840 lbs or 4009 kg |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | 97 inches [246 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 268 ci or 4.4 L |
| Cylinders | 4 cylinders |
| Engine power | 85 hp or 63.4 kW |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 40 gal or 151.4 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Challenger MT445B Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Autopower IV |
| Trans type | four speed power shift |
| Trans gears | 16 forward and reverse |
| Clutch system | wet disc |
| Wheel drive | 4x2 2WD |
| Final drive | inboard planetary |
| Steering | hydrostatic power |
| Braking system | hydraulic wet disc |
| Cabin type | ROPS |
| Differentiel lock | electro-hydraulic |
| System | - |
| Valves | 2 to 4 |
| Pump flow | 26.4 gpm or 99.9 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2900 psi or 200.0 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 60.5 hp or 45.1 kW |
| Fuel consumption | 4.9 gal/hour or 18.5 l/hour |
| Pulling power | 8680 lbs or 3937 kg |
| Claimed power | 70 hp or 52.2 kW |
| Real power | 73.4 hp or 54.7 kW |
| Engine @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 | 4.8 gal/hour or 18.2 l/hour |
| Hitch system | electronic top-link draft control |
| Rear hitch | II |
| Rear hitch lift | 7285 lbs or 3304 kg |
| Front hitch | - |
| Front hitch lift | - |
Zetor Proxima Plus 90
General Infos| Make | Zetor |
| Model | Proxima Plus 90 |
| Country | Czech republic |
| Production | From 2010 Until 2016 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | Zetor Proxima Plus 90 Manual |
Dimensions, sizes and tires
| AG front tires | 11.2-24 |
| AG rear tires | 16.9-30 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 8245 lbs or 3739 kg |
| Length | 144.5 inches [367 cm] |
| Width | 75.2 inches [191 cm] |
| Height | 107 inches [271 cm] |
| Wheelbase | 91.7 inches [232 cm] |
| Ground clearance | 15.8 inches [40 cm] |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 253.6 ci or 4.2 L |
| Cylinders | 4 cylinders 8 valves |
| Engine power | 87 hp or 64.9 kW |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | - |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Zetor Proxima Plus 90 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | two-speed power shift |
| Trans gears | 16 forward and reverse |
| Clutch system | 310mm hydraulic cerametallic disc |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard with optional air-conditioning |
| Differentiel lock | electro-pneumatic |
| System | - |
| Valves | 3 |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2756 psi or 190.0 bar |
| Max flow | 13.2 gpm or 50.0 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | wet disc |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | 1000 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | position control and mechanical top-link draft sensing |
| Rear hitch | II |
| Rear hitch lift | 9442 lbs or 4282 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT445B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT445B farm-tractor here
- Get your Zetor Proxima Plus 90 manual book version
- Cabine, electrical And mechanical parts for Zetor Proxima Plus 90 farm-tractor here
