Challenger MT645B VS Fendt 818 Vario specs comparison

Challenger MT645B
General InfosMake | 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 |

Fendt 818 Vario
General InfosMake | Fendt |
Model | 818 Vario |
Country | Germany |
Production | From 2006 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Fendt 818 Vario Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 15,480 lbs or 7021 kg |
Length | 187 inches [474 cm] |
Width | 108 inches [274 cm] |
Height | 119 inches [302 cm] |
Wheelbase | 107 inches [271 cm] |
Ground clearance | 22 inches [55 cm] |
Turning radius | - |
Rear tread size | 75.5 inches |
Front tread size | 76 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 369.6 ci or 6.1 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 192 hp or 143.2 kW |
Engine RPM | 2100 (rpm) |
Torque | 592 lb-ft or 802.8 Nm | Torque RPM | 1450 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 89.8 gal or 339.9 L |
Oil capacity | - |
Oil change | 500 h |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Fendt 818 Vario Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 170 amps |
Cold Amps | 1020 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 200 amps |
Trans system | Fendt Vario |
Trans type | continuously variable transmission (IVT) |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | - |
Braking system | wet discs |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | load sensing |
Valves | 3 or 4 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2,900 psi or 200.0 bar |
Max flow | 29.1 gpm or 110.1 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 160 hp or 119.3 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | 1000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | 13,345 lbs or 6053 kg |
Front hitch | - |
Front hitch lift | 5,520 lbs or 2503 kg |
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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 Fendt 818 Vario manual book version
- Cabine, electrical And mechanical parts for Fendt 818 Vario farm-tractor here