David Brown 3800 Selectamatic VS Allis Chalmers 5020 specs comparison
David Brown 3800 Selectamatic
General Infos| Make | David Brown |
| Model | 3800 Selectamatic |
| Country | United states |
| Production | From 1968 Until 1971 |
| Price | 4,000 USD |
| Tractor type | Utility tractor |
| Fuel | gasoline |
| Service repair manual | David Brown 3800 Selectamatic Manual |
Dimensions, sizes and tires
| AG front tires | 14.9/13-24 |
| AG rear tires | 13.6/12-28 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 3885 lbs or 1762 kg |
| Length | 115.625 inches [293 cm] |
| Width | 64.5 inches [163 cm] (min) |
| Height | - |
| Wheelbase | 76 inches [193 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 48 to 76 inches |
| Front tread size | 48 to 72 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 146.1 ci or 2.4 L |
| Cylinders | 3 cylinders |
| Engine power | - |
| Engine RPM | 2200 (rpm) |
| Torque | 115 lb-ft or 155.9 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | gasoline |
| Fuel injection | - |
| Fuel tank size | 9.5 gal or 36.0 L |
| Oil capacity | 6.75 qts or 6.4 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | David Brown 3800 Selectamatic Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 12 forward and 4 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | spur gear |
| Steering | manual |
| Braking system | mechanical shoe |
| Cabin type | Open operating station |
| Differentiel lock | rear diff lock standard |
| System | Selectamatic |
| Valves | - |
| Pump flow | 7.3 gpm or 27.6 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 6 gal or 22.7 L |
| Hydraulic pressure | 2000 psi or 137.9 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 32.13 hp or 24.0 kW |
| Fuel consumption | 3.4 gal/hour or 12.9 l/hour |
| Pulling power | 4419 lbs or 2004 kg |
| Claimed power | 39 hp or 29.1 kW |
| Real power | 37.24 hp or 27.8 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | live |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 3.3 gal/hour or 12.5 l/hour |
| Hitch system | position and draft control |
| Rear hitch | I |
| Rear hitch lift | 1600 lbs or 725 kg |
| Front hitch | - |
| Front hitch lift | - |
Allis Chalmers 5020
General Infos| Make | Allis Chalmers |
| Model | 5020 |
| Country | United states |
| Production | From 1977 Until 1985 |
| Price | - |
| Tractor type | Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers 5020 Manual |
Dimensions, sizes and tires
| AG front tires | 5.00-15 (2WD) |
| AG rear tires | 9.5-24 |
| Lawn front tires | 20x8.00-10 |
| Lawn rear tires | 20x8.00-10 |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 1900 lbs or 861 kg |
| Length | 98.9 inches [251 cm] |
| Width | 48 inches [121 cm] |
| Height | 85 inches [215 cm] |
| Wheelbase | 59.8 inches [151 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 39.2/51 inches |
| Front tread size | 38.6 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 77.1 ci or 1.3 L |
| Cylinders | 2 cylinders |
| Engine power | 25 hp or 18.6 kW |
| Engine RPM | 2500 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 7 gal or 26.5 L |
| Oil capacity | 5 qts or 4.7 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Allis Chalmers 5020 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | 70 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 15 amps |
| Trans system | sliding gear |
| Trans type | - |
| Trans gears | 12 forward and 3 reverse |
| Clutch system | 215mm dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | differential mechanical drum and shoe |
| Cabin type | Two-post ROPS |
| Differentiel lock | - |
| System | open center |
| Valves | 0 or 1 |
| Pump flow | 5.44 gpm or 20.6 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 5.5 gal or 20.8 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 17 hp or 12.7 kW |
| Drawbar horsepower | 17.37 hp or 13.0 kW |
| Fuel consumption | 1.6 gal/hour or 6.1 l/hour |
| Pulling power | 2,346 lbs or 1064 kg |
| Claimed power | 21 hp or 15.7 kW |
| Real power | 20.78 hp or 15.5 kW |
| Engine @RPM | 540@2320 (rpm) |
| PTO Clutch | - |
| Rear PTO | transmission |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 1.5 gal/hour or 5.7 l/hour |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
Allis Chalmers 5020 International Harvester 633
David Brown 3800 Selectamatic White 2-85
Allis Chalmers 5020 Chamberlain 4080
Allis Chalmers 5020 Kubota L2002
David Brown 3800 Selectamatic Kubota B6100
David Brown 3800 Selectamatic International Harvester 4786
Choose another tractor
Useful links and guides ....
- David Brown provided us with the latest version of its 3800 Selectamatic service repair manual
- Find All mechanical and electrical parts and accessories of David Brown 3800 Selectamatic farm-tractor here
- Get your Allis Chalmers 5020 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 5020 farm-tractor here
