David Brown 4600 Selectamatic VS Allis Chalmers 185 specs comparison

David Brown 4600 Selectamatic
General InfosMake | David Brown |
Model | 4600 Selectamatic |
Country | United states |
Production | From 1968 Until 1971 |
Price | 4,600 USD |
Tractor type | Utility tractor |
Fuel | gasoline |
Service repair manual | David Brown 4600 Selectamatic Manual |
Dimensions, sizes and tires
AG front tires | 7.50-16 |
AG rear tires | 14.9/13-28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4300 lbs or 1950 kg |
Length | 121.5 inches [308 cm] |
Width | 68.375 inches [173 cm] (min) |
Height | - |
Wheelbase | 79.75 inches [202 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 52 to 80 inches |
Front tread size | 52 to 72 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 164.4 ci or 2.7 L |
Cylinders | 3 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | 140 lb-ft or 189.8 Nm | Torque RPM | 1400 (rpm) |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | 13.75 gal or 52.0 L |
Oil capacity | 6.75 qts or 6.4 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | David Brown 4600 Selectamatic Parts |
Batteries number | - |
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 | expanding shoe |
Cabin type | Open operator station |
Differentiel lock | rear diff lock standard |
System | Selectamatic |
Valves | 0 to 2 |
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 | 38.34 hp or 28.6 kW |
Fuel consumption | 4.0 gal/hour or 15.1 l/hour |
Pulling power | 5421 lbs or 2458 kg |
Claimed power | 46 hp or 34.3 kW |
Real power | 43.17 hp or 32.2 kW |
Engine @RPM | 540@1823 (rpm) |
PTO Clutch | - |
Rear PTO | live |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.7 gal/hour or 14.0 l/hour |
Hitch system | position and draft control |
Rear hitch | II/I |
Rear hitch lift | 1800 lbs or 816 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers 185
General InfosMake | Allis Chalmers |
Model | 185 |
Country | United states |
Production | From 1970 Until 1981 |
Price | 18,891 USD |
Tractor type | - |
Fuel | diesel |
Service repair manual | Allis Chalmers 185 Manual |
Dimensions, sizes and tires
AG front tires | 6.50-16 |
AG rear tires | 13.6-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 6,710 lbs or 3043 kg |
Length | 158 inches [401 cm] |
Width | 76.5 inches [194 cm] |
Height | - |
Wheelbase | 99.2 inches [251 cm] |
Ground clearance | - |
Turning radius | 10.3 feet [3.1 m] (with brake) |
Rear tread size | 58 to 93 inches |
Front tread size | 53 to 77 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 301 ci or 4.9 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 24.6 gal or 93.1 L |
Oil capacity | 11 qts or 10.4 L |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Allis Chalmers 185 Parts |
Batteries number | - |
Batteries voltage | - |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 55 amps |
Trans system | Allis-Chalmers Power Director |
Trans type | partial power shift |
Trans gears | 8 forward and 2 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential mechanical band and disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | open |
Valves | 2 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 6.5 gal or 24.6 L |
Hydraulic pressure | - |
Max flow | 20 gpm or 75.7 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 63.82 hp or 47.6 kW |
Fuel consumption | 5.3 gal/hour or 20.1 l/hour |
Pulling power | 7,568 lbs or 3432 kg |
Claimed power | - |
Real power | 70.72 hp or 52.7 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | continuous |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 4.9 gal/hour or 18.5 l/hour |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- David Brown provided us with the latest version of its 4600 Selectamatic service repair manual
- Find All mechanical and electrical parts and accessories of David Brown 4600 Selectamatic farm-tractor here
- Get your Allis Chalmers 185 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 185 farm-tractor here