Allis Chalmers HD21 VS John Deere 6100D specs comparison

Allis Chalmers HD21
General InfosMake | Allis Chalmers |
Model | HD21 |
Country | United states |
Production | From 1954 Until 1965 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers HD21 Manual |
Dimensions, sizes and tires
AG front tires | tracks |
AG rear tires | tracks |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 45500 lbs or 20638 kg |
Length | 198 inches [502 cm] |
Width | - |
Height | 99 inches [251 cm] |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 844 ci or 13.8 L |
Cylinders | 6 cylinders |
Engine power | 225 hp or 167.8 kW |
Engine RPM | 1800 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 135 gal or 511.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 24 V |
Parts And Accessories | Allis Chalmers HD21 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | torque converter |
Trans gears | 2 forward and 1 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | - |
Braking system | contracting band |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 135.12 hp or 100.8 kW |
Fuel consumption | - |
Pulling power | 40563 lbs or 18399 kg |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | - |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

John Deere 6100D
General InfosMake | John Deere |
Model | 6100D |
Country | United states |
Production | From 2008 Until 2012 |
Price | 45,299 USD |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | John Deere 6100D Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 18.4-3 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7,275 lbs or 3299 kg |
Length | 166 inches [421 cm] |
Width | 72 inches [182 cm] |
Height | 107.5 inches [273 cm] |
Wheelbase | 92.5 inches [234 cm] |
Ground clearance | - |
Turning radius | 14.7 feet [4.5 m] |
Rear tread size | 59.5/63.5/67.6/71.3/75.4/79.4 inches |
Front tread size | 60.4 to 80.4 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 276 ci or 4.5 L |
Cylinders | 4 cylinders 8 valves |
Engine power | 98.9 hp or 73.7 kW |
Engine RPM | 2100 (rpm) |
Torque | 274 lb-ft or 371.5 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | rotary mechanical injection |
Fuel tank size | 41.7 gal or 157.8 L |
Oil capacity | 13 qts or 12.3 L |
Oil change | 250 h |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 6100D Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 180 amps |
Cold Amps | 925 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 70 amps |
Trans system | John Deere Top Shaft Syncronized (TSS) |
Trans type | partially synchronzied |
Trans gears | 9 forward and 3 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential mechanical wet disc |
Cabin type | Folding 2-post ROPS or cab with heat and A/C |
Differentiel lock | - |
System | open center |
Valves | 2 to 3 |
Pump flow | 17.6 gpm or 66.6 lpm |
SVC flow | - |
Steering flow | 6.9 gpm or 26.1 lpm |
Tank capacity | 15.3 gal or 57.9 L |
Hydraulic pressure | 2830 psi or 195.1 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 74.66 hp or 55.7 kW |
Fuel consumption | 5.1 gal/hour or 19.3 l/hour |
Pulling power | 8,962 lbs or 4065 kg |
Claimed power | 82 hp or 61.1 kW |
Real power | 89.33 hp or 66.6 kW |
Engine @RPM | 540@2100 (rpm) |
PTO Clutch | dry disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 5.1 gal/hour or 19.3 l/hour |
Hitch system | mechanical lower link |
Rear hitch | II |
Rear hitch lift | 6,800 lbs or 3084 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD21 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD21 farm-tractor here
- Get your John Deere 6100D manual book version
- Cabine, electrical And mechanical parts for John Deere 6100D farm-tractor here