David Brown 990 Implematic VS White Field Boss 31 specs comparison
David Brown 990 Implematic
General Infos| Make | David Brown |
| Model | 990 Implematic |
| Country | United states |
| Production | From 1961 Until 1980 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | David Brown 990 Implematic Manual |
Dimensions, sizes and tires
| AG front tires | 6.00-16 |
| AG rear tires | 11-32 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 4272 lbs or 1937 kg |
| Length | 118 inches [299 cm] |
| Width | 67 inches [170 cm] |
| Height | - |
| Wheelbase | 76.75 inches [194 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 52/56/60/64/68/72/76 inches |
| Front tread size | 52/56/60/64/68/72/76 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 185.8 ci or 3.0 L |
| Cylinders | 4 cylinders |
| Engine power | 52 hp or 38.8 kW |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 13.74 gal or 52.0 L |
| Oil capacity | 7.8 qts or 7.4 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | David Brown 990 Implematic Parts |
| Batteries number | 2 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | generator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | partially synchronized |
| Trans gears | 12 forward and 4 reverse |
| Clutch system | 279mm dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | differential mechanical expanding shoe |
| Cabin type | Open operator station |
| Differentiel lock | mechanical rear |
| System | open center |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2000 psi or 137.9 bar |
| Max flow | 7.4 gpm or 28.0 lpm |
| Drawbar type | - |
| Claimed power | 43 hp or 32.1 kW |
| Drawbar horsepower | 43.47 hp or 32.4 kW |
| Fuel consumption | 3.4 gal/hour or 12.9 l/hour |
| Pulling power | 6,039 lbs or 2739 kg |
| Claimed power | 48 hp or 35.8 kW |
| Real power | 48.49 hp or 36.2 kW |
| Engine @RPM | 540@1800 (rpm) |
| PTO Clutch | dry disc |
| Rear PTO | transmission |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 3.0 gal/hour or 11.4 l/hour |
| Hitch system | - |
| Rear hitch | II/I |
| Rear hitch lift | - |
| 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 | - |
Related tractor comparison
White Field Boss 31 Bolens G274
White Field Boss 31 John Deere 2450
White Field Boss 31 Chamberlain 4290
David Brown 990 Implematic Landini 6060
White Field Boss 31 Renault 110-14
White Field Boss 31 White Field Boss 43
Choose another tractor
Useful links and guides ....
- David Brown provided us with the latest version of its 990 Implematic service repair manual
- Find All mechanical and electrical parts and accessories of David Brown 990 Implematic 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
