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Bolens 1257

Bolens 1257 tractor
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The Bolens 1257 is a garden tractor introduced in 1971 as part of the Tube Frame Series. It features a 12 hp Tecumseh HH120 453cc 1-cylinder air-cooled gasoline engine, a hydrostatic Eaton 10 transmission with infinite forward and reverse gears, and two-wheel drive with manual steering. The tractor has a wheelbase of 43 inches, length of 63 inches, width of 34 inches, and height of 40 inches, weighing 680 lbs. It rides on 16x6.50-8 front tires and 23x10.50-12 rear tires. The electrical system is 12 volts negative ground. Attachments include a mid-mount Bolens mower deck with 3 blades. The operator station is open.
Bolens 1257garden tractorTecumseh HH120hydrostatic transmissionlawn tractormower deck12 hp
Power12 hp
Founded-
Model1257

Technical Specifications

Detailed specifications and technical data for Bolens 1257

Drive

Drive:Two-wheel drive
Steering:manual
Operator station:Open operator station

Power

Power:12 hp (8.9 kW)

Tires

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

Engine

Type:gasoline
Model:Tecumseh HH120
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:63 inches (160 cm)
Wheelbase:43 inches (109 cm)
Shipping weight:680 lbs (308 kg)

Electrical

Ground:negative
Battery volts:12

Production

Type:Garden tractor
Series:Tube Frame Series
Manufacturer:Bolens
Year introduced:1971

Attachments

Blades:3-blade
Mower deck:mid-mount Bolens

Transmission

Type:hydrostatic
Gears:infinite forward and reverse
Model:Eaton 10