Bolens 1257
Power
12 hp
Production
1971
Engine
Gasoline, 1-cylinder
Transmission
Eaton 10
Weight
680 lbs [308 kg]
Drive
2WD
Introduction
Bolens 1257 Garden Tractor
The Bolens 1257 is a garden tractor produced in 1971, designed primarily for residential lawn maintenance and light property tasks. It represents a period of classic garden tractor engineering focused on durability and straightforward mechanical operation.
Engine and Power
The tractor is powered by a Tecumseh HH120 gasoline engine. This single-cylinder, air-cooled unit has a displacement of 453 cc (27.66 ci) and produces 12 hp (8.9 kW) at a rated speed of 3600 RPM. The engine utilizes a 3.50x2.875 inch bore and stroke configuration and is supported by a 12-volt electric starting system.
Transmission and Drive
The Bolens 1257 utilizes an Eaton 10 hydrostatic transmission. This system provides infinite forward and reverse gears, allowing for smooth speed control without the need for manual gear shifting. The machine operates as a two-wheel-drive unit.
Dimensions and Chassis
Built on a chassis with a 43-inch (109 cm) wheelbase, the tractor has an overall length of 63 inches (160 cm) and a width of 34 inches (86 cm). It features an open operator station with manual steering. The machine has a shipping weight of 680 lbs (308 kg). It is equipped with lawn and turf tires, sized 16x6.50-8 on the front and 23x10.50-12 on the rear, designed to minimize soil compaction.
Conclusion
The 1971 Bolens 1257 is a mechanical garden tractor suited for homeowners and collectors requiring a stable platform for mowing and light utility work. Its combination of a hydrostatic drive and a reliable single-cylinder engine makes it a functional machine for standard lawn care applications.
Production Information of Bolens, 1257
- Garden tractor
| Manufacturer | Bolens |
|---|
Dimension and Tires Information of Bolens, 1257
| Wheelbase | 43 inches [109 cm] |
|---|---|
| Shipping weight | 680 lbs [308 kg] |
| Height | 40 inches [101 cm] |
| Length | 63 inches [160 cm] |
| Width | 34 inches [86 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x10.50-12 |
Engine Specifications of Bolens, 1257
- Tecumseh HH120
- Air-cooled
- Gasoline
- 1-cylinder
| Power | 12 hp [8.9 kW] |
|---|---|
| Displacement | 453 cc [27.66 ci] |
| Rated RPM | 3600 |
| Bore/Stroke | 3.50x2.875 inches [89 x 73 mm] |
| Starter volts | 12 |
| Starter | Electric |
Transmission Information of Bolens, 1257
Transmission variants 1
| Transmission | Eaton 10 |
|---|---|
| Type | Hydrostatic |
| Gears | Infinite forward and reverse |
Mechanical Specs of Bolens, 1257
- Two-wheel drive
- Open operator station
| Steering | Manual |
|---|
Electrical System of Bolens, 1257
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 12 HP, the Bolens 1257 sits between LT-11 (11 HP) and 1455 (14 HP) in Bolens's range. Its power puts it in the 76th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Bolens 1257 have?
The Bolens 1257 delivers 12 HP.
What years was the Bolens 1257 produced?
The Bolens 1257 was produced in 1971.
What engine does the Bolens 1257 have?
The Bolens 1257 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Bolens 1257 use?
The Bolens 1257 uses a Eaton 10 transmission.
How much does the Bolens 1257 weigh?
The Bolens 1257 weighs 680 lbs [308 kg].
Is the Bolens 1257 4WD?
The Bolens 1257 is available in 2WD.