David Brown 900 VS Allis Chalmers 620 specs comparison

David Brown 900
General InfosMake | David Brown |
Model | 900 |
Country | United states |
Production | From 1956 Until 1958 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | David Brown 900 Manual |
Dimensions, sizes and tires
AG front tires | 6.00x16 |
AG rear tires | 11.25x28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4000 lbs or 1814 kg |
Length | 113 inches [287 cm] |
Width | 65 inches [165 cm] |
Height | 77.75 inches [197 cm] |
Wheelbase | 72 inches [182 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 52/56/60/64/68/72/86 inches |
Front tread size | 52/56/60/64/68/72/86 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 165 ci or 2.7 L |
Cylinders | 4 cylinders |
Engine power | 45.5 hp or 33.9 kW |
Engine RPM | 2200 (rpm) |
Torque | 110 lb-ft or 149.2 Nm | Torque RPM | 1000 (rpm) |
Fuel type | diesel |
Fuel injection | Solex 30FV carburetor |
Fuel tank size | 11.5 gal or 43.5 L |
Oil capacity | 7 qts or 6.6 L |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | David Brown 900 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 51 amps |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | David Brown |
Trans type | - |
Trans gears | 6 forward and 2 reverse |
Clutch system | 254mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | mechanical drum |
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 | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | 545@1600 (rpm) |
PTO Clutch | - |
Rear PTO | transmission |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | 1800 lbs or 816 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers 620
General InfosMake | Allis Chalmers |
Model | 620 |
Country | United states |
Production | From 1973 Until 1975 |
Price | - |
Tractor type | Sub Compact Utility tractor |
Fuel | gasoline |
Service repair manual | Allis Chalmers 620 Manual |
Dimensions, sizes and tires
AG front tires | 4.00x12 |
AG rear tires | 8x16 |
Lawn front tires | 20-8x10 |
Lawn rear tires | 20-8x10 |
Indus front tires | - |
Indus rear tires | - |
Weight | 1,500 lbs or 680 kg |
Length | 83 inches [210 cm] |
Width | 48 inches [121 cm] |
Height | 43.25 inches [109 cm] |
Wheelbase | 56 inches [142 cm] |
Ground clearance | 15 inches [38 cm] |
Turning radius | 3 feet [0.9 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 49.8 ci or 0.8 L |
Cylinders | 2 cylinders |
Engine power | 19.5 hp or 14.5 kW |
Engine RPM | 3600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | 3.8 gal or 14.4 L |
Oil capacity | 3.5 qts or 3.3 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 620 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | 20 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | - |
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 | 1.25 gal or 4.7 L |
Hydraulic pressure | 500 psi or 34.5 bar |
Max flow | 2.25 gpm or 8.5 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | electric |
Rear PTO RPM | 2000 (rpm) |
Front PTO | electric |
Front PTO RPM | 2000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
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 900 service repair manual
- Find All mechanical and electrical parts and accessories of David Brown 900 farm-tractor here
- Get your Allis Chalmers 620 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 620 farm-tractor here