David Brown 770 Selectamatic VS Allis Chalmers 18-30 specs comparison
David Brown 770 Selectamatic
General Infos| Make | David Brown |
| Model | 770 Selectamatic |
| Country | United states |
| Production | From 1965 Until 1970 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | David Brown 770 Selectamatic Manual |
Dimensions, sizes and tires
| AG front tires | 5.50-16 |
| AG rear tires | 11.2/10-28 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 3110 lbs or 1410 kg |
| Length | 112.5 inches [285 cm] |
| Width | 64 inches [162 cm] |
| Height | - |
| Wheelbase | 75 inches [190 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 48/52/56/60/64/68/72/76 inches |
| Front tread size | 48/52/56/60/64/68/72/76 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 146.1 ci or 2.4 L |
| Cylinders | 3 cylinders |
| Engine power | 36 hp or 26.8 kW |
| Engine RPM | 2055 (rpm) |
| Torque | 100 lb-ft or 135.6 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 11.4 gal or 43.1 L |
| Oil capacity | 7.8 qts or 7.4 L |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | David Brown 770 Selectamatic Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | 96 amps |
| Cold Amps | - |
| Ground force | negative |
| 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 drum |
| 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 | - |
| Drawbar type | - |
| Claimed power | 27.5 hp or 20.5 kW |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 32 hp or 23.9 kW |
| Real power | - |
| Engine @RPM | 540@1620 (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 | position and draft control |
| Rear hitch | I |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Allis Chalmers 18-30
General Infos| Make | Allis Chalmers |
| Model | 18-30 |
| Country | United states |
| Production | From 1918 Until 1921 |
| Price | - |
| Tractor type | Standard tread tractor |
| Fuel | gasoline |
| Service repair manual | Allis Chalmers 18-30 Manual |
Dimensions, sizes and tires
| AG front tires | 36x6 steel |
| AG rear tires | 50x12 steel |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 6150 lbs or 2789 kg |
| Length | 135 inches [342 cm] |
| Width | 66 inches [167 cm] |
| Height | 68 inches [172 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 460.7 ci or 7.6 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 830 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | gasoline |
| Fuel injection | Kingston L 1.5" carburetor |
| Fuel tank size | 25 gal or 94.6 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Allis Chalmers 18-30 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | unsynchronized gear |
| Trans gears | 2 forward and 1 reverse |
| Clutch system | hand-operated expanding shoe |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | - |
| Braking system | - |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 18 hp or 13.4 kW |
| Drawbar horsepower | 20.55 hp or 15.3 kW |
| Fuel consumption | 3.5 gal/hour or 13.2 l/hour |
| Pulling power | 3,500 lbs or 1587 kg |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | - |
| Rear PTO RPM | - |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
David Brown 770 Selectamatic Minneapolis 17-30 A
David Brown 770 Selectamatic Parrett H 12-25
David Brown 770 Selectamatic Avery 14-28
Allis Chalmers 18-30 Galloway Bear-Cat
Allis Chalmers 18-30 Fox River Tractor Company 20-40
David Brown 770 Selectamatic Wetmore 12-25
Choose another tractor
Useful links and guides ....
- David Brown provided us with the latest version of its 770 Selectamatic service repair manual
- Find All mechanical and electrical parts and accessories of David Brown 770 Selectamatic farm-tractor here
- Get your Allis Chalmers 18-30 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 18-30 farm-tractor here
