Gravely lawn tractors

Gravely GEM 12.5

The Gravely GEM 12.5 is a lawn tractor produced from 1991 to 1992 as part of the Gravely Estate Mower Series. It features a 12.5 hp Kohler 1-cylinder air-cooled gasoline engine with a 4.5 gallon fuel tank. The tractor uses a hydrostatic transmission and two-wheel drive with manual steering. It has an open operator station and mid PTO with an independent electric clutch and pulley type. The GEM 12.5 has a wheelbase of 48 inches, weighs 610 lbs, and rides on 16x6.50-8 front tires and 23x8.50-12 rear tires. Attachments include 40" and 50" mid-mount mower decks, snowblower, and blade. Electrical system features a 12 volt battery with 15 amp charging and negative ground.
Power-
Founded-
ModelGEM 12.5

Technical Specifications

Detailed specifications and technical data for Gravely GEM 12.5

Engine
Coolingair-cooled vertical-shaft
Starterelectric
Cylinders1-cylinder
Fuel tank4.5 gal (17.0 L)
Fuel typegasoline
Engine modelKohler
Oil capacity2 qts (1.9 L)
Power (gross)12.5 hp (9.3 kW)
Starter volts12
Electrical
Groundnegative
Battery volts12
Charging amps15
Production
TypeLawn tractor
SeriesGravely Estate Mower Series
Years made1991 - 1992
Attachments
Available attachments40" mid-mount mower deck, 50" mid-mount mower deck, snowblower, blade
Transmission
Typehydrostatic
Dimensions & Tires
Weight610 lbs (276 kg)
Rear tire23x8.50-12
Wheelbase48 inches (121 cm)
Front tire16x6.50-8
Drive and steering
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Power Take-off (PTO)
Clutchelectric
PTO typeindependent
Mid PTO Typepulley
PTO locationMid PTO