Bolens lawn tractors
Bolens 1257
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.
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 |