Gravely 8121 VS Simplicity 3008 Wonder Boy specs comparison

Gravely 8121 1978 comparison online with competitors

Gravely 8121

General Infos
Make Gravely
Model 8121
Country England
Production From 1978
Price -
Tractor type -
Fuel -
Service repair manual Gravely 8121 Manual

Dimensions, sizes and tires
AG front tires -
AG rear tires -
Lawn front tires 16x7.50-8
Lawn rear tires 16x7.50-8
Indus front tires -
Indus rear tires -
Weight -
Length -
Width -
Height -
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 476 cc or 29.07 ci
Cylinders 1 cylinders
Engine power -
Engine RPM -
Torque -
Torque RPM -
Fuel type -
Fuel injection -
Fuel tank size 5.3 gal 20.1 L
Oil capacity 2 qts 1.9 L
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Gravely 8121 Parts
Electrical and battery specs
Batteries number 1
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 shaft-driven gear
Trans gears 8 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive -
Final drive -
Steering manual
Braking system mechanical band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
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 mechanical
Rear PTO -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO independent
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

Simplicity 3008 Wonder Boy 1975 comparison online with competitors

Simplicity 3008 Wonder Boy

General Infos
Make Simplicity
Model 3008 Wonder Boy
Country United states
Production From 1975  Until 1976
Price -
Tractor type -
Fuel -
Service repair manual Simplicity 3008 Wonder Boy Manual

Dimensions, sizes and tires
AG front tires -
AG rear tires -
Lawn front tires 4.10/3.50x4
Lawn rear tires 4.10/3.50x4
Indus front tires -
Indus rear tires -
Weight -
Length 57.75 inches 146 cm
Width 28.25 inches 71 cm
Height -
Wheelbase 44.75 inches 113 cm
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 318 cc or 19.44 ci
Cylinders 1 cylinders
Engine power -
Engine RPM -
Torque -
Torque RPM -
Fuel type -
Fuel injection -
Fuel tank size 0.75 gal 2.8 L
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories Simplicity 3008 Wonder Boy Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type belt-driven gear
Trans gears 3 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system -
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
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 -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

Related tractor comparison


1975 Simplicity 3008 Wonder Boy competitors and comparison tool online specs and performance
1973 Yard-Man 3710 Mustang competitors and comparison tool online specs and performance

Simplicity 3008 Wonder Boy Yard-Man 3710 Mustang

1975 Simplicity 3008 Wonder Boy competitors and comparison tool online specs and performance
1973 J.I. Case 108 competitors and comparison tool online specs and performance

Simplicity 3008 Wonder Boy J.I. Case 108

1975 Simplicity 3008 Wonder Boy competitors and comparison tool online specs and performance
1976 Sears SS/18 Twin 917.25960 competitors and comparison tool online specs and performance

Simplicity 3008 Wonder Boy Sears SS/18 Twin 917.25960

1975 Simplicity 3008 Wonder Boy competitors and comparison tool online specs and performance
1973 Roper T82251R RT-8 Super 8 competitors and comparison tool online specs and performance

Simplicity 3008 Wonder Boy Roper T82251R RT-8 Super 8

1978 Gravely 8121 competitors and comparison tool online specs and performance
1974 Simplicity Broadmoor 5008 1690008 competitors and comparison tool online specs and performance

Gravely 8121 Simplicity Broadmoor 5008 1690008

1975 Simplicity 3008 Wonder Boy competitors and comparison tool online specs and performance
1974 Cub Cadet 1200 competitors and comparison tool online specs and performance

Simplicity 3008 Wonder Boy Cub Cadet 1200


Choose another tractor









Useful links and guides ....