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Gravely 818

Gravely 818 tractor
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The Gravely 818 is a garden tractor introduced in 1978 as part of the 800 Series. It features an 18 hp Onan B48M 781cc 2-cylinder air-cooled gasoline engine with electric start. The tractor has an 8-speed transmission with 8 forward and 4 reverse gears. It weighs 900 lbs (408 kg) and rides on 16x6.50-8 front and 23x8.50-12 rear lawn/turf tires. Attachments include a 50" mid-mount mower deck, 48" front blade, and 44" front snow blower. Electrical system is 12 volts with a 43 AH battery and negative ground.
Gravely 818garden tractor18 hpOnan B48M engine8-speed transmission1978 tractorlawn tractormower decksnow blowerblade
Power18 hp
Founded50" deck
Model818

Technical Specifications

Detailed specifications and technical data for Gravely 818

Engine

Type:gasoline
Model:Onan B48M
Cooling:air-cooled horizontal-shaft opposed-twin
Starter:electric
Cylinders:2-cylinder
Fuel tank:5.3 gal (20.1 L)
Bore/Stroke:3.25x2.875 inches (83 x 73 mm)
Displacement:781 cc (47.7 ci)
Oil capacity:2.25 qts (2.1 L)
Power (gross):18 hp (13.4 kW)
Starter volts:12

Dimensions

Width:41.75 inches (106 cm)
Height:43 inches (109 cm)
Length:81.5 inches (207 cm)
Rear tire:23x8.50-12
Front tire:16x6.50-8
Shipping weight:900 lbs (408 kg)

Electrical

Ground:negative
Battery AH:43
Battery Group:22F
Battery volts:12

Production

Type:Garden tractor
Series:800 Series
Manufacturer:Gravely
Year introduced:1978

Attachments

Note:Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.
48" Blade:Gravely 19763, front-mount, 48 inches width (121 cm)
44" Snow blower:Gravely 20982, front-mount, 44 inches width (111 cm)
50" mid-mount mower deck:mid-mount Gravely 21297, 3-blade with hydraulic lift, Cutting width 50 inches (127 cm)

Transmission

Type:8-speed
Gears:8 forward and 4 reverse
Oil capacity:6 qts (5.7 L)

Related Models

Gravely 817

Model:817