David Brown 3800 Selectamatic VS Allis Chalmers 8550 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 8550
General Infos| Make | Allis Chalmers |
| Model | 8550 |
| Country | United states |
| Production | From 1978 Until 1981 |
| Price | 86,753 USD |
| Tractor type | Four wheel Drive (4WD) tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers 8550 Manual |
Dimensions, sizes and tires
| AG front tires | 20.8x34 |
| AG rear tires | 20.8x34 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 26,400 lbs or 11975 kg |
| Length | 285 inches [723 cm] |
| Width | 95.5 inches [242 cm] |
| Height | 139 inches [353 cm] |
| Wheelbase | 126 inches [320 cm] |
| Ground clearance | 17 inches [43 cm] |
| Turning radius | - |
| Rear tread size | 62 to 123 inches |
| Front tread size | 62 to 123 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 731 ci or 12.0 L |
| Cylinders | 6 cylinders 24 valves |
| Engine power | 300 hp or 223.7 kW |
| Engine RPM | 2500 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 170 gal or 643.5 L |
| Oil capacity | 46 qts or 43.5 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Allis Chalmers 8550 Parts |
| Batteries number | 4 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Power Director |
| Trans type | partial power shift |
| Trans gears | 20 forward and 4 reverse |
| Clutch system | - |
| Wheel drive | 4x4 articulated 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | hydraulic wet discs |
| Cabin type | Acousta Cab II standard with heat and air-conditioning |
| Differentiel lock | - |
| System | closed center |
| Valves | 3 or 4 |
| Pump flow | 74.9 gpm or 283.5 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 210 hp or 156.6 kW |
| Drawbar horsepower | 217.92 hp or 162.5 kW |
| Fuel consumption | 17.5 gal/hour or 66.2 l/hour |
| Pulling power | 26,220 lbs or 11893 kg |
| Claimed power | 250 hp or 186.4 kW |
| Real power | 253.88 hp or 189.3 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 17.4 gal/hour or 65.9 l/hour |
| Hitch system | - |
| Rear hitch | IV/III |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
Allis Chalmers 8550 Bolens G154
David Brown 3800 Selectamatic Landini 6550
Allis Chalmers 8550 Long 610
Allis Chalmers 8550 J.I. Case 2390
Allis Chalmers 8550 Lamborghini 1056
David Brown 3800 Selectamatic Allis Chalmers 5020
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 8550 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 8550 farm-tractor here
