Ariens lawn tractors

Ariens S-12 931001

The Ariens S-12 is a garden tractor produced from 1973 to 1975. It features a 12 hp Kohler K301S 476cc 1-cylinder gasoline engine with air-cooled horizontal shaft design. The tractor uses a Vickers shaft-driven hydrostatic transmission with infinite forward and reverse speeds. It has a two-wheel drive with manual steering and parking pawl brakes. The S-12 has a wheelbase of 48 inches, length of 74.25 inches, width of 43 inches, and height of 47.75 inches at the steering wheel, weighing 710 lbs. It includes optional rear sleeve hitch and an independent front PTO with electric clutch. Attachments include 42" and 48" mid-mount mower decks, a 48" dual-stage front-mount snowblower, and a 54" front-mount blade. The tractor was built in Brillion, Wisconsin, USA.
Power-
Founded-
ModelS-12

Technical Specifications

Detailed specifications and technical data for Ariens S-12 931001

Engine
Typegasoline
ModelKohler K301S
Coolingair-cooled horizontal-shaft
Starterelectric
Cylinders1-cylinder
Fuel tank4.75 gal (18.0 L)
Bore/Stroke3.375x3.25 inches (86 x 83 mm)
Displacement476 cc (29.07 ci)
Oil capacity2 qts (1.9 L)
Power (gross)12 hp (8.9 kW)
Starter volts12
Dimensions
Width43 inches (109 cm)
Length74.25 inches (188 cm)
Rear tire23x10.50x12
Wheelbase48 inches (121 cm)
Front tire16-6.50x8
Shipping weight710 lbs (322 kg)
Height (steering wheel)47.75 inches (121 cm)
Electrical
Groundnegative
Battery volts12
Mechanical
DriveTwo-wheel drive
BrakesParking pawl brakes
Steeringmanual
Operator stationOpen operator station
Production
SeriesS Series
Built inBrillion, Wisconsin, USA
CategoryGarden tractor
Years made1973 - 1975
References
BooksGarden Tractors published in 1975, by Ariens
Manuals931000 Series Parts and Repair Manual (PRM 31000) published in 1975
Attachments
Blade54 inches width (137 cm), front-mount
Snowblower48 inches width (121 cm), dual-stage, front-mount
42" mid-mount mower deck42 inches (106 cm), 3-blade
48" mid-mount mower deck48 inches (121 cm), 3-blade
Transmission
Typeshaft-driven hydrostatic
Gearsinfinite forward and reverse
Oil typeSAE 10W-30
ManufacturerVickers
Tractor hitch
Typesleeve hitch Optional
Rear Type0 Optional
Power Take-off (PTO)
Clutchelectric
Front PTOindependent
Front PTO Type3600