John Deere 7230R VS Allis Chalmers HD21 specs comparison
John Deere 7230R
General Infos| Make | John Deere |
| Model | 7230R |
| Country | United states |
| Production | From 2014 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | John Deere 7230R Manual |
Dimensions, sizes and tires
| AG front tires | 320/85R38 |
| AG rear tires | 320/90R54 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 22893 lbs or 10384 kg |
| Length | 217 inches [551 cm] |
| Width | - |
| Height | 132 inches [335 cm] |
| Wheelbase | 115.2 inches [292 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | 60 to 88 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 415 ci or 6.8 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 269 hp or 200.6 kW |
| Engine RPM | 2100 (rpm) |
| Torque | 794 lb-ft or 1076.7 Nm | Torque RPM | 1600 (rpm) |
| Fuel type | diesel |
| Fuel injection | electronic high-pressure common rail |
| Fuel tank size | 151.1 gal or 571.9 L |
| Oil capacity | 25.9 qts or 24.5 L |
| Oil change | 500 h |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 7230R Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 925 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 200 amps |
| Trans system | John Deere AutoPowr IVT |
| Trans type | infinitely 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 |
| Differentiel lock | electro-hydraulic rear |
| System | closed center pressure-flow compensated |
| Valves | 3 to 6 |
| Pump flow | 31.9 gpm or 120.7 lpm |
| SVC flow | 33.3 gpm or 126.0 lpm |
| Steering flow | - |
| Tank capacity | 42.3 gal or 160.1 L |
| Hydraulic pressure | 2958 psi or 204.0 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 189 hp or 140.9 kW |
| Real power | - |
| Engine @RPM | 1000@1940 (rpm) |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | independent |
| Front PTO RPM | 1000 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | electro-hydraulic draft sensing |
| Rear hitch | III/IIIN |
| Rear hitch lift | 12000 lbs or 5443 kg |
| Front hitch | IIIN |
| Front hitch lift | 11464 lbs or 5200 kg |
Allis Chalmers HD21
General Infos| Make | 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 | - |
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Useful links and guides ....
- John Deere provided us with the latest version of its 7230R service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 7230R farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here
