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Gravely 408

Gravely 408 tractor
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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.
Gravely 408lawn tractorKohler K181 engine8 hp4-speed transmissionmower decksnowblowerblade400 Series1970-1977
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)