John Deere 8640 VS Steiger Cougar III ST-270 specs comparison

John Deere 8640
General InfosMake | John Deere |
Model | 8640 |
Country | United states |
Production | From 1979 Until 1982 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | John Deere 8640 Manual |
Dimensions, sizes and tires
AG front tires | 18.4-34 |
AG rear tires | 18.4-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 28,270 lbs or 12823 kg |
Length | 223.5 inches [567 cm] |
Width | - |
Height | 126.6 inches [321 cm] |
Wheelbase | 125 inches [317 cm] |
Ground clearance | 18.4 inches [46 cm] |
Turning radius | - |
Rear tread size | 63 to 130 inches |
Front tread size | 63 to 130 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 619 ci or 10.1 L |
Cylinders | 6 cylinders |
Engine power | 275 hp or 205.1 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 214 gal or 810.0 L |
Oil capacity | 26 qts or 24.6 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 8640 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | 975 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 90 amps |
Trans system | John Deere Quad-Range |
Trans type | partial power shift |
Trans gears | 16 forward and 6 reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | articulated power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard |
Differentiel lock | hydraulic front and rear |
System | closed center |
Valves | 2 |
Pump flow | 33 gpm or 124.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 41 gal or 155.2 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 203.34 hp or 151.6 kW |
Fuel consumption | 14.5 gal/hour or 54.9 l/hour |
Pulling power | 27,782 lbs or 12601 kg |
Claimed power | 225 hp or 167.8 kW |
Real power | 228.75 hp or 170.6 kW |
Engine @RPM | 1000@2100 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 14.7 gal/hour or 55.6 l/hour |
Hitch system | - |
Rear hitch | III/IIIN |
Rear hitch lift | 8545 lbs or 3876 kg |
Front hitch | - |
Front hitch lift | - |

Steiger Cougar III ST-270
General InfosMake | Steiger |
Model | Cougar III ST-270 |
Country | United states |
Production | From 1977 Until 1981 |
Price | 78,000 USD |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Steiger Cougar III ST-270 Manual |
Dimensions, sizes and tires
AG front tires | 23.1-34 |
AG rear tires | 23.1-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 26,250 lbs or 11907 kg |
Length | 252 inches [640 cm] |
Width | 96 inches [243 cm] (tractor body) |
Height | - |
Wheelbase | 128 inches [325 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 638 ci or 10.5 L |
Cylinders | 6 cylinders |
Engine power | 270 hp or 201.3 kW |
Engine RPM | 2200 (rpm) |
Torque | 775 lb-ft or 1050.9 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 267 gal or 1010.6 L |
Oil capacity | 29 qts or 27.4 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Steiger Cougar III ST-270 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | 208 amps |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 90 amps |
Trans system | Dana-Spicer 1010-3B |
Trans type | - |
Trans gears | 20 forward and 4 reverse |
Clutch system | 356mm dry disc |
Wheel drive | 4x4 articulated 4WD |
Final drive | outboard planetary |
Steering | hydrostatic power |
Braking system | hydraulic disc |
Cabin type | Safari Cab standard with heat and air-conditioning |
Differentiel lock | - |
System | open center |
Valves | 4 |
Pump flow | 29.2 gpm or 110.5 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2250 psi or 155.1 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
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 | 3 |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- John Deere provided us with the latest version of its 8640 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8640 farm-tractor here
- Get your Steiger Cougar III ST-270 manual book version
- Cabine, electrical And mechanical parts for Steiger Cougar III ST-270 farm-tractor here