John Deere 6603 VS John Deere 8420T specs comparison

John Deere 6603
General InfosMake | John Deere |
Model | 6603 |
Country | United states |
Production | From 2002 Until 2008 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | John Deere 6603 Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 18.4-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8,563 lbs or 3884 kg |
Length | 175 inches [444 cm] (2WD) |
Width | 65 inches [165 cm] |
Height | 78 inches [198 cm] |
Wheelbase | 104 inches [264 cm] (2WD) |
Ground clearance | 18 inches [45 cm] |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 414 ci or 6.8 L |
Cylinders | 6 cylinders |
Engine power | 109 hp or 81.3 kW |
Engine RPM | 2100 (rpm) |
Torque | - |
Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 40 gal or 151.4 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 6603 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 925 |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | top shaft syncro |
Trans type | - |
Trans gears | 9 forward and 3 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | mechanical wet disc |
Cabin type | ROPS |
Differentiel lock | - |
System | open center |
Valves | 2 to 3 |
Pump flow | 12 gpm or 45.4 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2756 psi or 190.0 bar |
Max flow | 15 gpm or 56.8 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 95 hp or 70.8 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | 5,292 lbs or 2400 kg |
Front hitch | - |
Front hitch lift | - |

John Deere 8420T
General InfosMake | John Deere |
Model | 8420T |
Country | United states |
Production | From 2002 Until 2005 |
Price | - |
Tractor type | - |
Fuel | - |
Service repair manual | John Deere 8420T Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | Shipping: |
Length | 207 inches 525 cm |
Width | 103.7 inches 263 cm (min) |
Height | 122.9 inches 312 cm |
Wheelbase | 89 inches 226 cm |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | 25,950 lbs 11770 kg |
Horsepower and engin specs
Engine capacity | - |
Cylinders | 6 cylinders |
Engine power | 314 hp 234.1 kW |
Engine RPM | 2200 (rpm) |
Torque | - |
Torque RPM | - |
Fuel type | - |
Fuel injection | - |
Fuel tank size | 130 gal 492.1 L |
Oil capacity | 22.7 qts 21.5 L |
Oil change | 250 h |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 8420T Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 925 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 150 amps |
Trans system | - |
Trans type | full power shift |
Trans gears | 16 forward and 4 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | electro-hydraulic power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 235 hp 175.2 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | III/IIIN |
Rear hitch lift | 15,180 lbs 6885 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


John Deere 8420T Renault Ares 715


John Deere 6603 New Holland row-crop TM155


John Deere 8420T New Holland row-crop TM190


John Deere 6603 Yanmar AF655


John Deere 6603 Yanmar AF645


John Deere 8420T Massey Ferguson 3340
Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 6603 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 6603 farm-tractor here
- Get your John Deere 8420T manual book version
- Cabine, electrical And mechanical parts for John Deere 8420T farm-tractor here