Steiger Cougar III ST-251 VS Zetor Forterra 8641 specs comparison

Steiger Cougar III ST-251 1976 comparison online with competitors

Steiger Cougar III ST-251

General Infos
Make 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
Electrical and battery specs
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
Clutch and gearbox specs
Trans system Spicer SST 1010
Trans type -
Trans gears 20 forward and 4 reverse
Clutch system 394mm dry disc
Cabine and mechanical specs
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 -
Hydraulics specifications
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 specifications
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
Power take-off (PTO) specs
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 -
3 point hitch specifiations
Hitch system -
Rear hitch 3
Rear hitch lift -
Front hitch -
Front hitch lift -

Zetor Forterra 8641 1999 comparison online with competitors

Zetor Forterra 8641

General Infos
Make Zetor
Model Forterra 8641
Country Czech republic
Production From 1999  Until 2007
Price -
Tractor type -
Fuel diesel
Service repair manual Zetor Forterra 8641 Manual

Dimensions, sizes and tires
AG front tires 13.6-24
AG rear tires 18.4-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 8708 lbs or 3949 kg
Length 172 inches [436 cm]
Width -
Height 106.7 inches [271 cm]
Wheelbase 93.7 inches [237 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 253.6 ci or 4.2 L
Cylinders 4 cylinders
Engine power 85 hp or 63.4 kW
Engine RPM 2200 (rpm)
Torque 219.1 lb-ft or 297.1 Nm
Torque RPM 1450 (rpm)
Fuel type diesel
Fuel injection -
Fuel tank size 47.6 gal or 180.2 L
Oil capacity -
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Zetor Forterra 8641 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type synchronized
Trans gears 24 forward and 18 reverse
Clutch system hydraulic dry disc
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering power
Braking system wet disc
Cabin type Cab standard with available air-conditioning
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow 15.85 gpm or 60.0 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift 10582 lbs or 4799 kg
Front hitch -
Front hitch lift -

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