John Deere 6520 Premium VS Allis Chalmers HD3 specs comparison

John Deere 6520 Premium
General InfosMake | John Deere |
Model | 6520 Premium |
Country | United states |
Production | From 2001 Until 2006 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | John Deere 6520 Premium Manual |
Dimensions, sizes and tires
AG front tires | 16.9R24 |
AG rear tires | 18.4R38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11,201 lbs or 5080 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 414.1 ci or 6.8 L |
Cylinders | 6 cylinders |
Engine power | 110 hp or 82.0 kW |
Engine RPM | 2300 (rpm) |
Torque | 341.0 lb-ft or 462.4 Nm | Torque RPM | 1500 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 54.7 gal or 207.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | John Deere 6520 Premium Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 90 amps |
Trans system | AutoQuad II |
Trans type | partial power shift |
Trans gears | 24 forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | closed center load sensing |
Valves | - |
Pump flow | 25.4 gpm or 96.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 97 hp or 72.3 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/IIIN |
Rear hitch lift | 14,590 lbs or 6618 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers HD3
General InfosMake | Allis Chalmers |
Model | HD3 |
Country | United states |
Production | From 1960 Until 1968 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Allis Chalmers HD3 Manual |
Dimensions, sizes and tires
AG front tires | 7-inch track |
AG rear tires | 7-inch track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7645 lbs or 3467 kg |
Length | 108.75 inches [276 cm] |
Width | - |
Height | - |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | 48 inches |
Front tread size | 48 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 175 ci or 2.9 L |
Cylinders | 4 cylinders |
Engine power | - |
Engine RPM | 1650 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | Roosa-Master injection |
Fuel tank size | 14 gal or 53.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers HD3 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Power Director |
Trans type | mechanical shuttle |
Trans gears | 4 forward and reverse |
Clutch system | wet disc (Power Director) |
Wheel drive | crawler |
Final drive | - |
Steering | mechanical clutches |
Braking system | mechanical contracting band |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | 1 to 3 |
Pump flow | 15 gpm or 56.8 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 16.5 gal or 62.5 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 26.17 hp or 19.5 kW |
Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
Pulling power | 8207 lbs or 3722 kg |
Claimed power | - |
Real power | 32.53 hp or 24.3 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | optional |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Allis Chalmers HD3 Oliver 440


John Deere 6520 Premium Allis Chalmers H3


John Deere 6520 Premium Ford Powermaster 841


John Deere 6520 Premium Ford 741


John Deere 6520 Premium J.I. Case 301-B


John Deere 6520 Premium Lanz Alldog A1806
Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 6520 Premium service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 6520 Premium farm-tractor here
- Get your Allis Chalmers HD3 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD3 farm-tractor here