Challenger MT645D VS AGCO GT55 specs comparison

Challenger MT645D
General InfosMake | Challenger |
Model | MT645D |
Country | United states |
Production | From 2011 Until 2013 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645D Manual |
Dimensions, sizes and tires
AG front tires | 480/70R34 |
AG rear tires | 520/85R46 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 24250 lbs or 10999 kg |
Length | 215.7 inches [547 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 | 513.8 ci or 8.4 L |
Cylinders | 6 cylinders |
Engine power | 240 hp or 179.0 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | electronic high-pressure common rail |
Fuel tank size | 167 gal or 632.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Challenger MT645D Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 240 amps |
Trans system | Techstar CVT |
Trans type | continuously variable transmission |
Trans gears | infinite forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | inboard planetary |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional) |
Differentiel lock | electro-hydraulic |
System | closed center load sensing |
Valves | 4 to 6 |
Pump flow | - |
SVC flow | 26.4 gpm or 99.9 lpm |
Steering flow | - |
Tank capacity | 29.1 gal or 110.1 L |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 46 gpm or 174.1 lpm |
Drawbar type | Cat |
Claimed power | - |
Drawbar horsepower | 170.7 hp or 127.3 kW |
Fuel consumption | 11.5 gal/hour or 43.5 l/hour |
Pulling power | 25705 lbs or 11659 kg |
Claimed power | 205 hp or 152.9 kW |
Real power | 250.0 hp or 186.4 kW |
Engine @RPM | 540E@1577 (rpm) |
PTO Clutch | electro-hydraulic |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 13.4 gal/hour or 50.7 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 22760 lbs or 10323 kg |
Front hitch | III |
Front hitch lift | 11000 lbs or 4989 kg |

AGCO GT55
General InfosMake | AGCO |
Model | GT55 |
Country | United states |
Production | From 2004 Until 2007 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | AGCO GT55 Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4982 lbs or 2259 kg |
Length | 145.7 inches [370 cm] |
Width | 70.4 inches [178 cm] |
Height | 104.6 inches [265 cm] |
Wheelbase | 80.9 inches [205 cm] |
Ground clearance | - |
Turning radius | 12 feet [3.7 m] |
Rear tread size | 55.1 to 74.8 inches |
Front tread size | 54.6 to 66.4 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 183 ci or 3.0 L |
Cylinders | 3 cylinders |
Engine power | 56 hp or 41.8 kW |
Engine RPM | 2200 (rpm) |
Torque | 185 lb-ft or 250.9 Nm | Torque RPM | 1349 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 23.7 gal or 89.7 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | AGCO GT55 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | synchro-shuttle |
Trans type | - |
Trans gears | 16 forward and 8 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Two-post folding ROPS |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | 14 gpm or 53.0 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 22.7 gpm or 85.9 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 53 hp or 39.5 kW |
Real power | 57.80 hp or 43.1 kW |
Engine @RPM | 540@1967 (rpm) |
PTO Clutch | electro-hydraulic |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.8 gal/hour or 14.4 l/hour |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | 3520 lbs or 1596 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


AGCO GT55 AGCO DT225


Challenger MT645D Fendt 712 Vario


AGCO GT55 McCormick Intl MTX120


AGCO GT55 Kubota M95X


Challenger MT645D Steyr 6145 CVT


Challenger MT645D AGCO GT75
Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT645D service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645D farm-tractor here
- Get your AGCO GT55 manual book version
- Cabine, electrical And mechanical parts for AGCO GT55 farm-tractor here