The Allis Chalmers B-112 is a 2WD lawn and garden tractor, manufactured by Allis Chalmers in Lexington, South Carolina, USA from 1968 to 1970. The Allis Chalmers B-112 is equipped with a 0.5 L (30.1 cu·in) single-cylinder gasoline engine and a vari-shift transmission with 21 forward and 7 reverse gears.
The Allis Chalmers B112 garden tractor used the Briggs & Stratton 300421 engine. It is a 0.5 L, 494 cm2, (30.1 cu·in) single-cylinder natural aspirated gasoline engine with 83.0 mm (3.27 in) of the cylinder bore and 87.0 mm (3.43 in) of the piston stroke. This engine produced 12.1 PS (8.9 kW; 12.0 HP) at 3,600 rpm of output power.
The Allis Chalmers B-112 is equipped with manual steering, integral mechanical brakes, an open operator station, and 5.7 liters (1.5 US gal.; 1.3 Imp. gal) fuel tank.
Following attachments are available for the Allis Chalmers B112 garden tractor:
- Mid-mount Allis-Chalmers 42 in (1,060 mm) mower deck with 3-blades and manual lift
- Mid-mount Allis-Chalmers 48 in (1,210 mm) mower deck with 3-blades and manual lift
- Front-mount Allis-Chalmers 36 in (910 mm) single-stage snowblower with manual lift
- Front-mount Allis-Chalmers 42 in (1,060 mm) single-stage snowblower with manual lift
- Allis-Chalmers loader
Allis Chalmers B-112 Specifications
| General Specifications | |
| Model | Allis Chalmers B-112 |
| Length | 1,880 mm (74 in) |
| Width | 920 mm (36.2 in) |
| Height (steering wheel) | 1,010 mm (39.8 in) |
| Wheel base | 1,210 mm (47.6 in) |
| Ground clearance | 150 mm (5.9 in) |
| Weight (shipping) | 336 kg (741 lbs) |
| Fuel tank capacity | 5.7 liters (1.5 US gal.; 1.3 Imp. gal) |
| Battery | 12V |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Briggs & Stratton 300421 |
| Engine type | Four-stroke, air-cooled |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.5 L, 494 cm2, (30.1 cu·in) |
| Bore and stroke | 83.0 mm X 87.0 mm (3.27 in X 3.43 in) |
| Horsepower | 12.1 PS (8.9 kW; 12.0 HP) at 3,600 rpm |
| Starter | Electric |
| Oil capacity: | 1.9 L (2 US. qt, 1.7 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual |
| Brakes | Integral mechanical |
| Transmission model | – |
| Transmission type | Vari-Shift |
| Gears | 21 forward and 7 reverse |
| Speed | Forward: 10.1 kmh (6.3 mph) Reverse: 5.5 kmh (3.4 mph) |
| Tires | |
| Front tires | Lawn/turf: 16-6.50×8 |
| Rear tires | Lawn/turf: 23-8.50×12 |
| PTO (Power take-off shaft) | |
| Front PTO type | Live |
| Front PTO speed | – |
| Middle PTO type | Live |
| Middle PTO speed | – |
| Rear PTO type | Live |
| Rear PTO speed | – |
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