Steiger Cougar III ST-251 VS John Deere 6630 Premium specs comparison

Steiger Cougar III ST-251
General InfosMake | Steiger |
Model | Cougar III ST-251 |
Country | United states |
Production | From 1976 Until 1982 |
Price | 75,000 USD |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Steiger Cougar III ST-251 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 | 26,610 lbs or 12070 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 | 855 ci or 14.0 L |
Cylinders | 6 cylinders |
Engine power | 250 hp or 186.4 kW |
Engine RPM | 2100 (rpm) |
Torque | 850 lb-ft or 1152.6 Nm |
Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 267 gal or 1010.6 L |
Oil capacity | 44 qts or 41.6 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Steiger Cougar III ST-251 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 | Spicer SST 1010 |
Trans type | - |
Trans gears | 20 forward and 4 reverse |
Clutch system | 394mm 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 | 30.8 gpm or 116.6 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 33 gal or 124.9 L |
Hydraulic pressure | 2250 psi or 155.1 bar |
Max flow | - |
Drawbar type | - |
Claimed power | 206 hp or 153.6 kW |
Drawbar horsepower | 199.04 hp or 148.4 kW |
Fuel consumption | 13.5 gal/hour or 51.1 l/hour |
Pulling power | 26,880 lbs or 12192 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 | 3 |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

John Deere 6630 Premium
General InfosMake | John Deere |
Model | 6630 Premium |
Country | United states |
Production | From 2006 Until 2011 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | John Deere 6630 Premium Manual |
Dimensions, sizes and tires
AG front tires | 420/70R28 |
AG rear tires | 18.4R38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11,530 lbs or 5230 kg |
Length | 168.9 inches [429 cm] |
Width | 91.2 inches [231 cm] |
Height | 108 inches [274 cm] |
Wheelbase | 104.3 inches [264 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 63.9 to 79.6 inches |
Front tread size | 63.9 to 83.3 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 413.7 ci or 6.8 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 139 hp or 103.7 kW |
Engine RPM | 2300 (rpm) |
Torque | 394 lb-ft or 534.3 Nm |
Torque RPM | 1500 (rpm) |
Fuel type | diesel |
Fuel injection | high-pressure common rail injection |
Fuel tank size | 54.7 gal or 207.0 L |
Oil capacity | 20.6 qts or 19.5 L |
Oil change | 500 h |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 6630 Premium Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | John Deere AutoPowr |
Trans type | infinitely variable transmission (IVT) |
Trans gears | infinite forward and reverse |
Clutch system | PermaClutch II wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | - |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | load-sensing pressure-flow compensating |
Valves | 4 |
Pump flow | 29.1 gpm or 110.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 14 gal or 53.0 L |
Hydraulic pressure | 2,901 psi or 200.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 130 hp or 96.9 kW |
Real power | - |
Engine @RPM | 1000@2185 (rpm) |
PTO Clutch | electro-hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | 1000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | 15.9 |
Rear hitch | IIIN |
Rear hitch lift | 16,880 lbs or 7656 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Steiger Cougar III ST-251 AgTrac AT3024


John Deere 6630 Premium IMT 550


Steiger Cougar III ST-251 John Deere 6530


John Deere 6630 Premium Mitsubishi GF130


John Deere 6630 Premium Farm Pro 6010


John Deere 6630 Premium McCormick Intl XTX185
Choose another tractor
Useful links and guides ....
- Steiger provided us with the latest version of its Cougar III ST-251 service repair manual
- Find All mechanical and electrical parts and accessories of Steiger Cougar III ST-251 farm-tractor here
- Get your John Deere 6630 Premium manual book version
- Cabine, electrical And mechanical parts for John Deere 6630 Premium farm-tractor here