Allis Chalmers 7580 VS David Brown 990 Implematic specs comparison

Allis Chalmers 7580
General InfosMake | Allis Chalmers |
Model | 7580 |
Country | United states |
Production | From 1977 Until 1981 |
Price | 63,084 USD |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers 7580 Manual |
Dimensions, sizes and tires
AG front tires | 23.1x30 |
AG rear tires | 23.1x30 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 23,100 lbs or 10478 kg |
Length | 225 inches [571 cm] |
Width | 95.5 inches [242 cm] |
Height | - |
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 | 426 ci or 7.0 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2550 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 170 gal or 643.5 L |
Oil capacity | 25 qts or 23.7 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 7580 Parts |
Batteries number | 4 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
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 standard with heat and air-conditioning |
Differentiel lock | - |
System | closed center |
Valves | 3 to 4 |
Pump flow | 23 gpm or 87.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 74.9 gpm or 283.5 lpm |
Drawbar type | - |
Claimed power | 153 hp or 114.1 kW |
Drawbar horsepower | 153.70 hp or 114.6 kW |
Fuel consumption | 12.6 gal/hour or 47.7 l/hour |
Pulling power | 23,310 lbs or 10573 kg |
Claimed power | 186 hp or 138.7 kW |
Real power | 186.35 hp or 139.0 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 | 12.6 gal/hour or 47.7 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

David Brown 990 Implematic
General InfosMake | David Brown |
Model | 990 Implematic |
Country | United states |
Production | From 1961 Until 1980 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | David Brown 990 Implematic Manual |
Dimensions, sizes and tires
AG front tires | 6.00-16 |
AG rear tires | 11-32 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4272 lbs or 1937 kg |
Length | 118 inches [299 cm] |
Width | 67 inches [170 cm] |
Height | - |
Wheelbase | 76.75 inches [194 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 52/56/60/64/68/72/76 inches |
Front tread size | 52/56/60/64/68/72/76 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 185.8 ci or 3.0 L |
Cylinders | 4 cylinders |
Engine power | 52 hp or 38.8 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 13.74 gal or 52.0 L |
Oil capacity | 7.8 qts or 7.4 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | David Brown 990 Implematic Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | generator |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | partially synchronized |
Trans gears | 12 forward and 4 reverse |
Clutch system | 279mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | differential mechanical expanding shoe |
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 | 7.4 gpm or 28.0 lpm |
Drawbar type | - |
Claimed power | 43 hp or 32.1 kW |
Drawbar horsepower | 43.47 hp or 32.4 kW |
Fuel consumption | 3.4 gal/hour or 12.9 l/hour |
Pulling power | 6,039 lbs or 2739 kg |
Claimed power | 48 hp or 35.8 kW |
Real power | 48.49 hp or 36.2 kW |
Engine @RPM | 540@1800 (rpm) |
PTO Clutch | dry disc |
Rear PTO | transmission |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.0 gal/hour or 11.4 l/hour |
Hitch system | - |
Rear hitch | II/I |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its 7580 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers 7580 farm-tractor here
- Get your David Brown 990 Implematic manual book version
- Cabine, electrical And mechanical parts for David Brown 990 Implematic farm-tractor here