Challenger MT645D VS J.I. Case 770 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 |

J.I. Case 770
General InfosMake | J.I. Case |
Model | 770 |
Country | Unites states |
Production | From 1969 Until 1972 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | J.I. Case 770 Manual |
Dimensions, sizes and tires
AG front tires | 7.5L-15 |
AG rear tires | 16.9-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 9,220 lbs or 4182 kg |
Length | 153 inches [388 cm] |
Width | - |
Height | - |
Wheelbase | 94 inches [238 cm] |
Ground clearance | 15 inches [38 cm] |
Turning radius | - |
Rear tread size | 60 to 88 inches |
Front tread size | 60 to 88 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 251 ci or 4.1 L |
Cylinders | 4 cylinders |
Engine power | - |
Engine RPM | 1900 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 50 gal or 189.3 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | J.I. Case 770 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Range Power Shift |
Trans type | partial power shift |
Trans gears | 12 forward and 4 reverse |
Clutch system | hydraulic wet discs |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | differential hydraulic dry disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | 16 gpm or 60.6 lpm |
SVC flow | - |
Steering flow | 8 gpm or 30.3 lpm |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 24 gpm or 90.8 lpm |
Drawbar type | - |
Claimed power | 49 hp or 36.5 kW |
Drawbar horsepower | 55.95 hp or 41.7 kW |
Fuel consumption | 4.4 gal/hour or 16.7 l/hour |
Pulling power | 8,927 lbs or 4049 kg |
Claimed power | 56 hp or 41.8 kW |
Real power | 61.93 hp or 46.2 kW |
Engine @RPM | 540@1900 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 4.2 gal/hour or 15.9 l/hour |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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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 J.I. Case 770 manual book version
- Cabine, electrical And mechanical parts for J.I. Case 770 farm-tractor here