Gravely lawn tractors
Gravely 408
The Gravely 408 is a lawn tractor produced from 1970 to 1977 as part of the 400 Series. Built in Dunbar, West Virginia, USA, a total of 6,689 units were made between 1970 and 1975. It features an 8 hp Kohler K181 304cc 1-cylinder air-cooled gasoline engine with electric start and a 4-speed belt-driven gear transmission with forward and reverse. The tractor has manual steering, two-wheel drive, and an open operator station. It weighs between 372 and 465 pounds and rides on 13x5.00-6 front and 18x8.50-8 rear lawn/turf tires. Attachments include a 34" mid-mount mower deck, a 36" snowblower, and a 42" blade, all front or mid-mounted. The original price was $763 in 1971.
Power8 hp
Founded34" deck
Model408
Technical Specifications
Detailed specifications and technical data for Gravely 408
Engine
| Type | gasoline |
|---|---|
| Model | Kohler K181 |
| Cooling | air-cooled |
| Starter | electric |
| Cylinders | 1-cylinder |
| Fuel tank | 1.125 gal (4.3 L) |
| Rated RPM | 3800 |
| Sparkplug | Champion 841, 871 RJ8C |
| Bore/Stroke | 2.9375x2.75 inches (75 x 70 mm) |
| Displacement | 304 cc (18.6 ci) |
| Oil capacity | 1.25 qts (1.2 L) |
| Power (gross) | 8 hp (6.0 kW) |
| Sparkplug gap | 0.025 inches (0.635 mm) |
| Starter volts | 12 |
Dimensions
| Width | 33 inches (83 cm) |
|---|---|
| Height | 37 inches (93 cm) |
| Length | 56.5 inches (143 cm) |
| Weight | 465 lbs (210 kg) |
| Rear tire | 18x8.50-8 |
| Front tire | 13x5.00-6 |
| Shipping weight | 372 lbs (168 kg) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Production
| Series | 400 Series |
|---|---|
| Built in | Dunbar, West Virginia, USA |
| Category | Lawn tractor |
| Total built | 6,689 (1970-1975) |
| Original price | $763 in 1971 |
| Years produced | 1970 - 1977 |
Attachments
| Blade | front-mount, 42 inches width (106 cm) |
|---|---|
| Snowblower | front-mount, 36 inches width (91 cm) |
| 34" mid-mount mower deck | mid-mount Gravely, 2-blade with manual lift, Cutting width 34 inches (86 cm) |
Transmission
| Type | belt-driven gear |
|---|---|
| Gears | 4 forward and reverse |
| Notes | Four gears with forward-reverse control. |
| Oil type | SAE90W EP |
| Oil capacity | 3 qts (2.8 L) |