1970 - 1977
1970 - 1977 |
400 Series |
Lawn tractor |
Production
Production |
Manufacturer | Gravely |
Type | Lawn tractor |
Factory | Dunbar, West Virginia, USA |
Total built | 6,689 (1970-1975) |
Original price | $763 (1971 ) |
Gravely 408 Engine
Gravely 408 Engine |
8HP Kohler 304cc 1-cyl gasoline |
Fuel tank | 1.125 gal 4.3 L |
Engine details ... |
1970 - 1977
1970 - 1977 |
400 Series |
Lawn tractor |
Engine Detail
Engine Detail |
Kohler K181 |
gasoline |
1-cylinder |
air-cooled |
Displacement | 304 cc 18.6 ci |
Bore/Stroke | 2.9375x2.75 inches 75 x 70 mm |
Power (gross) | 8 hp 6.0 kW |
Rated RPM | 3800 |
Starter | electric |
Starter volts | 12 |
Sparkplug | Champion 841 |
  | 871 RJ8C |
Sparkplug gap | 0.025 inches 0.635 mm |
Engine Oil
Engine Oil |
|
Oil capacity | 1.25 qts 1.2 L |
Gravely 408 Transmission
Gravely 408 Transmission |
4-speed gear |
Transmission details ... |
1970 - 1977
1970 - 1977 |
400 Series |
Lawn tractor |
Transmission
Transmission |
Type | belt-driven gear |
Gears | 4 forward and reverse |
Oil capacity | 3 qts 2.8 L |
Oil type | |
Four gears with forward-reverse control. |
Speeds
Mechanical
Mechanical |
Chassis | 4x2 2WD |
Steering | manual |
Cab | Open operator station. |
Dimensions & Tires
Dimensions & Tires |
Weight | 372 to 465 pounds |
Front tire | 13x5.00-6 |
Rear tire | 18x8.50-8 |
Full dimensions and tires ... |
1970 - 1977
1970 - 1977 |
400 Series |
Lawn tractor |
Gravely 408 Tires
Gravely 408 Tires |
Lawn/turf front | 13x5.00-6 |
Lawn/turf rear | 18x8.50-8 |
Electrical
Electrical |
Ground | negative |
Battery volts | 12 |