Bolens lawn tractors

Bolens 1256

The Bolens 1256 is a garden tractor produced from 1970 to 1972 as part of the Tube Frame Series. It features a 12 hp Wisconsin TRA12D air-cooled 1-cylinder gasoline engine with 453 cc displacement. The tractor uses an Eaton 10 hydrostatic transmission with infinite forward and reverse gears. It has a wheelbase of 42.5 inches, length of 62.5 inches, width of 34 inches, and height of 40 inches, weighing 680 lbs. The tractor is two-wheel drive with manual steering and an open operator station. It runs on 12 volts with a negative ground electrical system. Attachments include a mid-mount mower deck, snowblower, and blade, with additional capability for tillers and plows.

Power12 hp

Founded-

Model1256

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Technical Specifications

Detailed specifications and technical data for Bolens 1256

Power

Power	12 hp (8.9 kW)

Tires

Rear tire	23x10.50-12
Front tire	16x6.50-8

Engine

Type	gasoline
Model	Wisconsin TRA12D
Power	12 hp (8.9 kW)
Cooling	air-cooled
Starter	electric
Cylinders	1-cylinder
Rated RPM	3600
Bore/Stroke	3.50x2.875 inches (89 x 73 mm)
Displacement	453 cc (27.66 ci)
Starter volts	12

Dimensions

Width	34 inches (86 cm)
Height	40 inches (101 cm)
Length	62.5 inches (158 cm)
Wheelbase	42.5 inches (107 cm)
Shipping weight	680 lbs (308 kg)
Ground clearance	7 inches (17 cm)

Electrical

Ground	negative
Battery volts	12

Production

Type	Garden tractor
Series	Tube Frame Series
Built in	Port Washington, Wisconsin, USA
Years produced	1970 - 1972

Attachments

Note	Garden tractors are capable of using tillers, plows, or other ground-engaging attachments.
Overview	Mid-mount mower deck, Snowblower, Blade
42" Blade	Bolens, front-mount, 42 inches width (106 cm)
Mower deck	mid-mount Bolens, 3-blade, Overall width 42 inches (106 cm), Cut height 1.5 to 3 inch (3 to 7 cm)
36" Snow blower	Bolens, front-mount, 36 inches width (91 cm)

Transmission