Gravely 8121 VS Bolens QT-16 1666 specs comparison
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 |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | shaft-driven gear |
| Trans gears | 8 forward and 4 reverse |
| Clutch system | - |
| Wheel drive | - |
| Final drive | - |
| Steering | manual |
| Braking system | mechanical band |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| 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 | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Bolens QT-16 1666
General Infos| Make | Bolens |
| Model | QT-16 1666 |
| Country | United states |
| Production | From 1973 Until 1978 |
| Price | - |
| Tractor type | - |
| Fuel | - |
| Service repair manual | Bolens QT-16 1666 Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | - |
| Length | 70.5 inches 179 cm |
| Width | 30.25 inches 76 cm |
| Height | 45 inches 114 cm |
| Wheelbase | 48.5 inches 123 cm |
| Ground clearance | 7.5 inches 19 cm |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | 850 lbs 385 kg |
Horsepower and engin specs
| Engine capacity | 659 cc or 40.25 ci |
| Cylinders | 2 cylinders |
| Engine power | - |
| Engine RPM | 3600 (rpm) |
| Torque | - |
| Torque RPM | - |
| Fuel type | - |
| Fuel injection | - |
| Fuel tank size | - |
| Oil capacity | 2 qts 1.9 L |
| Oil change | 50 h |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | Bolens QT-16 1666 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | flywheel alternator |
| Charging Volts | - |
| Charging Amps | 15 amps |
| Trans system | Sundstrand 15 |
| Trans type | shaft-driven hydrostatic |
| Trans gears | infinite forward and reverse |
| Clutch system | - |
| Wheel drive | - |
| Final drive | - |
| Steering | manual |
| Braking system | disc |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | electric |
| Rear PTO | independent |
| Rear PTO RPM | 2000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | independent |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | 0 |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Useful links and guides ....
- Gravely provided us with the latest version of its 8121 service repair manual
- Find All mechanical and electrical parts and accessories of Gravely 8121 lawn-tractor here
- Get your Bolens QT-16 1666 manual book version
- Cabine, electrical And mechanical parts for Bolens QT-16 1666 lawn-tractor here
