Bolens lawn tractors
Bolens H12XL 1258
The Bolens H12XL 1258 is a garden tractor produced from 1980 to 1981 as part of the Medium Frame Series. It features a 12 hp Tecumseh OH120 345cc 1-cylinder air-cooled gasoline engine with a 1.6 gallon fuel tank. The tractor uses an Eaton 11 hydrostatic transmission with infinite forward and reverse gears. It has a wheelbase of 49 inches, weighs 700 lbs, and includes manual steering with disc brakes. Optional sleeve hitch and independent front PTO with electric clutch are available. Attachments include 42" and 48" mid-mount mower decks, a 38" single-stage front-mount snowblower, and a 42" front-mount blade. Electrical system is 12 volts with negative ground.
Power-
Founded-
ModelH12XL 1258
Technical Specifications
Detailed specifications and technical data for Bolens H12XL 1258
Engine
| Type | gasoline |
|---|---|
| Model | Tecumseh OH120 |
| Cooling | air-cooled horizontal-shaft |
| Starter | electric |
| Cylinders | 1-cylinder |
| Fuel tank | 1.6 gal |
| Rated RPM | 3600 |
| Sparkplug | Champion RL85 |
| Air cleaner | dry |
| Bore/Stroke | 3.125x2.75 inches |
| Displacement | 345 cc |
| Oil capacity | 1.5 qts |
| Fuel tank (L) | 6.1 L |
| Power (gross) | 12 hp |
| Sparkplug gap | 0.030 inches |
| Starter volts | 12 |
| Bore/Stroke (mm) | 79 x 70 mm |
| Oil capacity (L) | 1.4 L |
| Power (gross kW) | 8.9 kW |
| Displacement (ci) | 21.1 ci |
| Sparkplug gap (mm) | 0.762 mm |
Overview
| Type | Garden tractor |
|---|---|
| Series | Medium Frame Series |
| Production years | 1980 - 1981 |
Dimensions
| Width | 36.25 inches |
|---|---|
| Height | 44 inches |
| Length | 70.75 inches |
| Weight | 700 lbs |
| Rear tire | 23/8.50-12 |
| Wheelbase | 49 inches |
| Front tire | 16/6.50-8 |
| Width (cm) | 92 cm |
| Height (cm) | 111 cm |
| Length (cm) | 179 cm |
| Weight (kg) | 317 kg |
| Wheelbase (cm) | 124 cm |
| Ground clearance | 7 inches |
| Ground clearance (cm) | 17 cm |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Mechanical
| Brakes | Disc brakes |
|---|---|
| Steering | manual |
| Operator station | Open operator station |
Attachments
| Blade | 42 inches width, front-mount |
|---|---|
| Snowblower | 38 inches width, single-stage, front-mount |
| 42" mid-mount mower deck | 42 inches, 3-blade |
| 48" mid-mount mower deck | 48 inches, 3-blade |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse |
| Model | Eaton 11 |
| Oil type | SAE 20, SAE 30 |
| Oil capacity | 8 qts |
| Oil capacity (L) | 7.6 L |
Tractor hitch
| Type | sleeve hitch (optional) |
|---|
Power Take-off (PTO)
| Clutch | electric |
|---|---|
| Front PTO | independent |