Allis Chalmers HD21 VS New Holland Boomer 24 specs comparison
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 | - |
New Holland Boomer 24
General Infos| Make | New Holland |
| Model | Boomer 24 |
| Country | United states |
| Production | From 2014 |
| Price | - |
| Tractor type | Sub Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | New Holland Boomer 24 Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 1832 lbs or 830 kg |
| Length | 103.6 inches [263 cm] |
| Width | 43.8 inches [111 cm] |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 80.4 ci or 1.3 L |
| Cylinders | 3 cylinders |
| Engine power | 24 hp or 17.9 kW |
| Engine RPM | 2700 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 6.6 gal or 25.0 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | New Holland Boomer 24 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | 45 amps |
| Cold Amps | 560 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 50 amps |
| Trans system | - |
| Trans type | hydrostatic |
| Trans gears | infinite (2-range) forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | mechanical wet disc |
| Cabin type | Two-post foldable ROPS |
| Differentiel lock | mechanical rear |
| System | open center |
| Valves | 1 |
| Pump flow | 6.7 gpm or 25.4 lpm |
| SVC flow | - |
| Steering flow | 2.9 gpm or 11.0 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 9.6 gpm or 36.3 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 16.7 hp or 12.5 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | electro-hydraulic |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | independent |
| Mid PTO RPM | 2000 (rpm) |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | 1433 lbs or 650 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 New Holland Boomer 24 manual book version
- Cabine, electrical And mechanical parts for New Holland Boomer 24 farm-tractor here
