John Deere 8630 VS Allis Chalmers HD3 specs comparison

John Deere 8630
General InfosMake | John Deere |
Model | 8630 |
Country | United states |
Production | From 1975 Until 1978 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | John Deere 8630 Manual |
Dimensions, sizes and tires
AG front tires | 18.4-34 |
AG rear tires | 18.4-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 24150 lbs or 10954 kg |
Length | 223.5 inches [567 cm] |
Width | 95.8 inches [243 cm] |
Height | - |
Wheelbase | 125 inches [317 cm] |
Ground clearance | 19.4 inches [49 cm] |
Turning radius | 37.2 feet [11.3 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 619 ci or 10.1 L |
Cylinders | 6 cylinders |
Engine power | 275 hp or 205.1 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 156 gal or 590.5 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 8630 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | 975 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | John Deere Quad-Range |
Trans type | partial power shift |
Trans gears | 16 forward and 4 reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | hydraulic power |
Braking system | hydraulic wet disc |
Cabin type | Sound-Gard cab standard |
Differentiel lock | - |
System | closed center constant pressure |
Valves | 2 |
Pump flow | 33 gpm or 124.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 26 gal or 98.4 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 198.12 hp or 147.7 kW |
Fuel consumption | 13.7 gal/hour or 51.9 l/hour |
Pulling power | 26,443 lbs or 11994 kg |
Claimed power | 225 hp or 167.8 kW |
Real power | 225.59 hp or 168.2 kW |
Engine @RPM | 2100 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 15.3 gal/hour or 57.9 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | - |
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 | - |
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Useful links and guides ....
- John Deere provided us with the latest version of its 8630 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8630 farm-tractor here
- Get your Allis Chalmers HD3 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD3 farm-tractor here