Bolens lawn tractors
Bolens 20HD Ride-A-Matic
The Bolens 20HD Ride-A-Matic is a garden tractor produced from 1956 to 1957 by Bolens in Port Washington, Wisconsin, USA. It features a 3.6 hp Kohler K90 145cc 1-cylinder air-cooled gasoline engine with manual recoil start. The tractor uses a Versa-matic belt-driven CVT transmission with 6 forward and 1 reverse gear, controlled by a variable-geometry drive pulley with six positions and interchangeable drive sprockets for high and low ranges. It has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. Dimensions include a 40-inch wheelbase, 60-inch length, 30.5-inch width, and 35.25-inch height, with a shipping weight of 330 lbs. Tires are 4.00x8 front and 6-12 rear. Attachments available include a 30-inch front-mount mower deck, 42-inch blade, and 25-inch snow blower, all front-mount and manual lift. The serial number plate is located on the right side of the tractor frame ahead of the rear wheel.
Power-
Founded-
Model20HD
Technical Specifications
Detailed specifications and technical data for Bolens 20HD Ride-A-Matic
Tires
| Lawn/turf rear | 6-12 |
|---|---|
| Lawn/turf front | 4.00x8 |
Engine
| Type | gasoline |
|---|---|
| Model | Kohler K90 |
| Power | 3.6 hp (2.7 kW) |
| Cooling | air-cooled |
| Cylinders | 1-cylinder |
| Fuel tank | 1 gal (3.8 L) |
| Bore/Stroke | 2.375x2.00 inches (60 x 51 mm) |
| Displacement | 145 cc (8.86 ci) |
| Starter type | manual recoil |
Overview
| Series | Ride-A-Matic Series |
|---|---|
| Built in | Port Washington, Wisconsin, USA |
| Category | Garden tractor |
| Original price | $415 in 1957 |
| Production years | 1956 - 1957 |
Dimensions
| Width | 30.5 inches (77 cm) |
|---|---|
| Height | 35.25 inches (89 cm) |
| Length | 60 inches (152 cm) |
| Wheelbase | 40 inches (101 cm) |
| Rear tread | 24.5 inches (62 cm) |
| Front tread | 24.5 inches (62 cm) |
| Shipping weight | 330 lbs (149 kg) |
| Ground clearance | 9 inches (22 cm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical band brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
References
| Publication | Ride-a-matic published in 1957, by Bolens |
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Attachments
| Note | Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. |
|---|---|
| 42" Blade | Bolens, front-mount, 42 inches width (106 cm) |
| 25" Snow blower | Bolens, front-mount, manual-lift, 25 inches width (63 cm) |
| 30" front-mount mower deck | front-mount Bolens, 2-blade with manual lift, 30 inches (76 cm) cutting width |
Transmission
| Name | Versa-matic |
|---|---|
| Type | belt-driven CVT |
| Gears | 6 forward and 1 reverse |
| Description | Variable-geometry drive pulley with six positions on the control lever. Interchangeable drive sprockets provides high and low ranges. |
Serial Number Location
| Location | Serial number plate on the right side of the tractor frame, just ahead of the rear wheel. |
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