John Deere 840 VS Ford 771 specs comparison
John Deere 840
General Infos| Make | John Deere |
| Model | 840 |
| Country | United states |
| Production | From 1976 Until 1986 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | John Deere 840 Manual |
Dimensions, sizes and tires
| AG front tires | 6.50-16 |
| AG rear tires | 12.4-32 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 5004 lbs or 2269 kg |
| Length | 138 inches [350 cm] |
| Width | 65.4 inches [166 cm] |
| Height | 94.1 inches [239 cm] |
| Wheelbase | 74.4 inches [188 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 53.5 to 73.2 inches |
| Front tread size | 49.6 to 79.5 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 179 ci or 2.9 L |
| Cylinders | 3 cylinders |
| Engine power | 37.5 hp or 28.0 kW |
| Engine RPM | 2400 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 20.6 gal or 78.0 L |
| Oil capacity | 7.4 qts or 7.0 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 840 Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 33 amps |
| Trans system | - |
| Trans type | two-speed power shift |
| Trans gears | 16 forward and 8 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | planetary |
| Steering | manual |
| Braking system | hydraulic wet disc |
| Cabin type | Four-post ROPS |
| Differentiel lock | - |
| System | closed center |
| Valves | - |
| Pump flow | 6.1 gpm or 23.1 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 10.8 gal or 40.9 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 33.5 hp or 25.0 kW |
| Real power | - |
| Engine @RPM | 1000@2070 (rpm) |
| PTO Clutch | dry disc |
| Rear PTO | live |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | optional |
| Front PTO RPM | 1000 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | II/I |
| Rear hitch lift | 4878 lbs or 2212 kg |
| Front hitch | - |
| Front hitch lift | - |
Ford 771
General Infos| Make | Ford |
| Model | 771 |
| Country | United states |
| Production | From 1958 Until 1962 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | gasoline |
| Service repair manual | Ford 771 Manual |
Dimensions, sizes and tires
| AG front tires | 6x16 |
| AG rear tires | 11x28 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 3,400 lbs or 1542 kg |
| Length | 132.1 inches [335 cm] |
| Width | - |
| Height | 65.07 inches [165 cm] |
| Wheelbase | 85.3 inches [216 cm] |
| Ground clearance | 27.25 inches [69 cm] |
| Turning radius | - |
| Rear tread size | 56 to 80 inches |
| Front tread size | 8.3 to 16.3 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 144 ci or 2.4 L |
| Cylinders | 4 cylinders 8 valves |
| Engine power | 48.4 hp or 36.1 kW |
| Engine RPM | 2200 (rpm) |
| Torque | 126.8 lb-ft or 171.9 Nm | Torque RPM | 1600 (rpm) |
| Fuel type | gasoline |
| Fuel injection | - |
| Fuel tank size | 13 gal or 49.2 L |
| Oil capacity | 5 qts or 4.7 L |
| Oil change | 100 h |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Ford 771 Parts |
| Batteries number | 1 |
| Batteries voltage | 6 V |
| Battries Amps | 80 amps |
| Cold Amps | - |
| Ground force | positive |
| Charging system | generator |
| Charging Volts | - |
| Charging Amps | 20 amps |
| Trans system | Ford Select-O-Speed |
| Trans type | full power shift |
| Trans gears | 10 forward and 2 reverse |
| Clutch system | - |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | power assist |
| Braking system | differential mechanical expanding shoe |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | open |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 2 gal or 7.6 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | live |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | 1,250 lbs or 567 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
John Deere 840 Oliver 950
Ford 771 John Deere 80
Ford 771 J.I. Case 310C
John Deere 840 John Deere 1010C
Ford 771 ATC Terratrac 256
Ford 771 Massey Ferguson 95
Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 840 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 840 farm-tractor here
- Get your Ford 771 manual book version
- Cabine, electrical And mechanical parts for Ford 771 farm-tractor here