John Deere 8450 VS Challenger MT665D specs comparison

John Deere 8450
General InfosMake | John Deere |
Model | 8450 |
Country | United states |
Production | From 1982 Until 1988 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | John Deere 8450 Manual |
Dimensions, sizes and tires
AG front tires | 20.8-34 |
AG rear tires | 20.8-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 27560 lbs or 12501 kg |
Length | 223.5 inches [567 cm] |
Width | - |
Height | - |
Wheelbase | 125 inches [317 cm] |
Ground clearance | - |
Turning radius | 17.8 feet [5.4 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 466 ci or 7.6 L |
Cylinders | 6 cylinders |
Engine power | 225 hp or 167.8 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 185 gal or 700.2 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 8450 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | 800 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 110 amps |
Trans system | Quad-Range |
Trans type | partial power shift |
Trans gears | 16 forward and 6 reverse |
Clutch system | Perma-Clutch hydraulic wet discs |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | power wet disc |
Cabin type | Sound-Gard cab with air-conditioning |
Differentiel lock | - |
System | closed center constant-pressure |
Valves | 2 to 4 |
Pump flow | 32 gpm or 121.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 37.5 gal or 141.9 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 173.52 hp or 129.4 kW |
Fuel consumption | 12.0 gal/hour or 45.4 l/hour |
Pulling power | 26,567 lbs or 12050 kg |
Claimed power | 185 hp or 138.0 kW |
Real power | 186.98 hp or 139.4 kW |
Engine @RPM | - |
PTO Clutch | hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 11.9 gal/hour or 45.0 l/hour |
Hitch system | lower-link |
Rear hitch | 3/3N |
Rear hitch lift | 9,262 lbs or 4201 kg |
Front hitch | - |
Front hitch lift | - |

Challenger MT665D
General InfosMake | Challenger |
Model | MT665D |
Country | United states |
Production | From 2011 Until 2013 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT665D 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 | 290 hp or 216.3 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 MT665D 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 | 219.3 hp or 163.5 kW |
Fuel consumption | 14.6 gal/hour or 55.3 l/hour |
Pulling power | 24890 lbs or 11290 kg |
Claimed power | 250 hp or 186.4 kW |
Real power | 293.1 hp or 218.6 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 | 15.8 gal/hour or 59.8 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 |
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Useful links and guides ....
- John Deere provided us with the latest version of its 8450 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8450 farm-tractor here
- Get your Challenger MT665D manual book version
- Cabine, electrical And mechanical parts for Challenger MT665D farm-tractor here