John Deere 840 VS White Field Boss 31 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 | - |
White Field Boss 31
General Infos| Make | White |
| Model | Field Boss 31 |
| Country | United states |
| Production | From 1986 Until 1988 |
| Price | - |
| Tractor type | Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | White Field Boss 31 Manual |
Dimensions, sizes and tires
| AG front tires | 5.00-15 |
| AG rear tires | 11.2-2 |
| Lawn front tires | 24x8.50-12 (2WD) |
| Lawn rear tires | 24x8.50-12 (2WD) |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 2215 lbs or 1004 kg |
| Length | 116 inches [294 cm] |
| Width | 52 inches [132 cm] |
| Height | - |
| Wheelbase | 65 inches [165 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 40.2 to 52.8 inches |
| Front tread size | 37.8 to 41.7 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 91.4 ci or 1.5 L |
| Cylinders | 3 cylinders |
| Engine power | 30 hp or 22.4 kW |
| Engine RPM | 2600 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 7.4 gal or 28.0 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | White Field Boss 31 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 35 amps |
| Trans system | Triple-sync |
| Trans type | partially synchronized |
| Trans gears | 12 forward and 4 reverse |
| Clutch system | - |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual (2WD) |
| Braking system | mechanical wet discs |
| Cabin type | Two-post ROPS |
| Differentiel lock | - |
| System | open center |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2135 psi or 147.2 bar |
| Max flow | 7.7 gpm or 29.1 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 25 hp or 18.6 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | live |
| Front PTO RPM | 2600 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | I |
| 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 840 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 840 farm-tractor here
- Get your White Field Boss 31 manual book version
- Cabine, electrical And mechanical parts for White Field Boss 31 farm-tractor here
