New Holland 7840 VS Allis Chalmers HD20 specs comparison
New Holland 7840
General Infos| Make | New Holland |
| Model | 7840 |
| Country | United states |
| Production | From 1996 Until 1998 |
| Price | 35,650 USD |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | New Holland 7840 Manual |
Dimensions, sizes and tires
| AG front tires | 10.00-16 |
| AG rear tires | 18.4-34 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 8,076 lbs or 3663 kg |
| Length | 176 inches [447 cm] |
| Width | 83 inches [210 cm] |
| Height | 110 inches [279 cm] |
| Wheelbase | 103 inches [261 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 401 ci or 6.6 L |
| Cylinders | 6 cylinders 12 valves |
| Engine power | - |
| Engine RPM | 2100 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 57.5 gal or 217.6 L |
| Oil capacity | 22.1 qts or 20.9 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | New Holland 7840 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 800 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 55 amps |
| Trans system | ElectroShift/Pulse Command |
| Trans type | four-speed power shift |
| Trans gears | 16 forward and reverse |
| Clutch system | wet disc |
| Wheel drive | 4x2 2WD |
| Final drive | inboard planetary |
| Steering | hydrostatic power |
| Braking system | mechanical (S) |
| Cabin type | Two-post foldable ROPS with flat-deck platform |
| Differentiel lock | electro-hydraulic (SLE) |
| System | open center |
| Valves | 1 to 4 |
| Pump flow | 17.4 gpm or 65.9 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 75.2 hp or 56.1 kW |
| Fuel consumption | 5.9 gal/hour or 22.3 l/hour |
| Pulling power | - |
| Claimed power | 90 hp or 67.1 kW |
| Real power | 90.4 hp or 67.4 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 5.3 gal/hour or 20.1 l/hour |
| Hitch system | Position control and top-link draft sensing |
| Rear hitch | II |
| Rear hitch lift | 6,210 lbs or 2816 kg |
| Front hitch | - |
| Front hitch lift | - |
Allis Chalmers HD20
General Infos| Make | Allis Chalmers |
| Model | HD20 |
| Country | United states |
| Production | From 1951 Until 1954 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD20 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 | 41000 lbs or 18597 kg |
| Length | 191 inches [485 cm] |
| Width | - |
| Height | 95 inches [241 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 660 ci or 10.8 L |
| Cylinders | 6 cylinders |
| Engine power | 175 hp or 130.5 kW |
| Engine RPM | 1700 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 120 gal or 454.2 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 24 V |
| Parts And Accessories | Allis Chalmers HD20 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 | - |
| 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 | 117 hp or 87.2 kW |
| Drawbar horsepower | 116.7 hp or 87.0 kW |
| Fuel consumption | - |
| Pulling power | 30,464 lbs or 13818 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 | - |
Related tractor comparison
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New Holland 7840 Bristol 20
Allis Chalmers HD20 Unitrak UD 12
Choose another tractor
Useful links and guides ....
- New Holland provided us with the latest version of its 7840 service repair manual
- Find All mechanical and electrical parts and accessories of New Holland 7840 farm-tractor here
- Get your Allis Chalmers HD20 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD20 farm-tractor here
