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Bolens 3212H ST120

The Bolens 3212H ST120 is a garden tractor produced from 1988 to 1992 as part of the Suburban Series. It features a 12 hp Briggs & Stratton 465cc single-cylinder gasoline engine with an electric starter and a 5-gallon fuel tank. The tractor uses an Eaton 7 belt-driven hydrostatic transmission with infinite forward and reverse speeds. It has two-wheel drive, manual steering, disc brakes, and an open operator station. The tractor's dimensions include a 45-inch wheelbase, 69-inch length, 34.5-inch width, and 42-inch height, weighing 462 lbs. Tires are sized 15x6.00-6 front and 20x8.00-10 rear. PTO is mid-mounted and independent with an electric clutch. Attachments include a 36-inch mid-mount mower deck, 38-inch single and two-stage snowblowers, and a 42-inch front-mount blade. Electrical system features a 12-volt battery with 45 AH capacity and 5 amps charging. Serial numbers are located on the rear fender under the seat on the left side.
Bolens 3212HBolens 3212H ST120garden tractorBriggs & Stratton 12 hp enginehydrostatic transmissionmower decksnowblowertractor specifications
Power-
Founded-
Model3212H ST120

Technical Specifications

Detailed specifications and technical data for Bolens 3212H ST120

Engine

Type:gasoline
Power:12 hp (8.9 kW)
Cooling:air-cooled vertical-shaft
Starter:electric
Cylinders:1-cylinder
Fuel tank:5 gal (18.9 L)
Bore/Stroke:3.44x3.06 inches (87 x 78 mm)
Displacement:465 cc (28.42 ci)
Engine model:Briggs & Stratton 281707
Oil capacity:1.5 qts (1.4 L)
Starter volts:12

Overview

Series:Suburban Series
Built in:Port Washington, Wisconsin, USA
Category:Garden tractor
Production years:1988 - 1992

Electrical

Ground:negative
Battery AH:45
Battery volts:12
Charging amps:5

Mechanical

Drive:Two-wheel drive
Brakes:Disc brakes
Steering:Manual steering
Operator station:Open operator station

References

Publications:Lawn & Garden published in 1988, by Bolens; Lawn and Garden Power Products published in 1989, by Bolens; Suburban Tractors published in 1990, by Bolens; Eurotrac Lawn & Garden Tractors published in 1987, by Bolens

Attachments

Blade:42 inches width (106 cm), front-mount Bolens
Snowblower:38 inches (96 cm) width, single-stage, front-mount; 38 inches (96 cm) width, two-stage, front-mount
36" mid-mount mower deck:36 inches (91 cm) cutting width, 2-blade, mid-mount Bolens

Transmission

Type:belt-driven hydrostatic
Drive:hydrostatic
Gears:infinite forward and reverse
Transmission:Eaton 7

Serial Numbers

Location:Serial number tag on the rear fender, under the tractor seat, on the left side

Dimensions & Tires

Width:34.5 inches (87 cm)
Height:42 inches (106 cm)
Length:69 inches (175 cm)
Weight:462 lbs (209 kg)
Rear tire:20x8.00-10
Wheelbase:45 inches (114 cm)
Front tire:15x6.00-6

Power Take-off (PTO)

Clutch:electric
PTO type:independent
PTO location:Mid PTO