Gravely 408

The Gravely 408 is a tractor produced by Gravely Lawn Tractors. It is equipped with a 304 cc 18.6 ci engine. The rated power output is 8 hp 6.0 kW. Transmission: 4 forward and reverse. Operating weight: 465 lbs 210 kg.

Overview

	1970 - 1977 400 SeriesLawn tractor
1970 - 1977
400 Series
Lawn tractor

Production
Manufacturer	Gravely
Lawn tractor
Built in Dunbar, West Virginia, USA
Total built	6,689 (1970-1975)
Original price was $763 in 1971

Gravely 408 Engine
8HP Kohler 304cc 1-cyl gasoline
Fuel tank	1.125 gal 4.3 L
Engine details ...

Gravely 408 Transmission
4-speed gear
Transmission details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Dimensions & Tires
Weight	372 to 465 pounds
Front tire	13x5.00-6
Rear tire	18x8.50-8
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References
The Great Gravely Durability published in 1972
Like Nobody Else published in 1976, by Gravely
Choice of the Pros published in 1977, by Gravely

Engine

Engine Detail — 304 cc / 18.6 ci Gasoline

Manufacturer	Kohler K181
Fuel Type	Gasoline
Configuration	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
Oil capacity	1.25 qts 1.2 L

Transmission

Transmission — 4 forward and reverse belt-driven gear

Type	belt-driven gear
Gears	4 forward and reverse
Oil capacity	3 qts 2.8 L
Oil type	SAE90W EP
Four gears with forward-reverse control.

Dimensions

Gravely 408 Tires
Lawn/turf front	13x5.00-6
Lawn/turf rear	18x8.50-8

Dimensions
Length	56.5 inches 143 cm
Width	33 inches 83 cm
Height	37 inches 93 cm
Weight	465 lbs 210 kg
Shipping weight	372 lbs 168 kg

Attachments

Attachment overview
34" mid-mount mower deck
Snowblower
Blade

34" Mower deck
Type	mid-mount Gravely
	2-blade with manual lift
Cutting width	34 inches 86 cm

Photos

Three Gravely 408 tractors.