Allis-Chalmers 811GT Specs ( 1979-1981 )
Overview
The Allis-Chalmers 811GT is a versatile garden tractor manufactured in Port Washington, Wisconsin, featuring an 11HP Briggs & Stratton engine and a compact 45.5-inch wheelbase. Designed for efficient property management, this 1979-1981 model offers a 3-speed gear transmission and an independent mid PTO for various attachments.
Ideal Applications
Lawn Maintenance:
Equipped with mid-mount mower deck options in 36 or 42 inches and turf tires, this tractor is built for precise grass cutting on residential or farm properties.
Snow and Material Handling:
The availability of snowblower and blade attachments, combined with a 2WD belt-driven gear transmission, allows for seasonal tasks like clearing paths or light grading.
Compact Property Management:
With a width of only 33.5 inches and manual steering, the 811GT is ideal for navigating tight spaces where a larger farm tractor cannot reach.
Production
| Description | Garden tractor / Built in Port Washington, Wisconsin, USA / Original price was $1,466 in 1979 |
|---|---|
| Manufacturer | Allis Chalmers |
Engine
| Description | 11HP Briggs & Stratton 399cc 1-cyl gasoline |
|---|---|
| Fuel tank | 2.2 gal (8.3 L) |
| Bore/Stroke | 3.4375x2.625 inches (87 x 67 mm) |
| Description | Briggs & Stratton 252707 / gasoline / 1-cylinder / air-cooled vertical-shaft |
| Displacement | 399 cc (24.36 ci) |
| Idle RPM | 1750-3400 |
| Power (gross) | 11 hp (8.2 kW) |
| Rated RPM | 3400 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Gears | 3 forward and 1 reverse |
|---|---|
| Transmission type | 3-speed gear |
| Type | belt-driven gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering / Mechanical band brakes |
| Drive type | Two-wheel drive |
PTO
| Clutch | mechanical idler pulley |
|---|---|
| Mid PTO | independent |
Electrical
| Battery AH | 39 |
|---|---|
| Battery volts | 12 |
| Charging amps | 3 |
| Ground | negative |
Dimensions & Tires
| Lawn/turf front | 15x6.00-6 |
|---|---|
| Lawn/turf rear | 20x8.00-10 |
| Height (hood) | 34.5 inches (87 cm) |
| Height (steering wheel) | 40 inches (101 cm) |
| Length | 66.25 inches (168 cm) |
| Weight | 438 lbs*Weight of tractor only. (198 kg) |
| Wheelbase | 45.5 inches (115 cm) |
| Width | 33.5 inches (85 cm) |
| Front tire | 15x6.00-6 |
| Rear tire | 20x8.00-10 |
| Weight | 438 lbs (198 kg) |
| Wheelbase | 45.5 inches (115 cm) |
Allis Chalmers 811GT attachments
| Description | 36" mid-mount mower deck / 42" mid-mount mower deck / snowblower / blade |
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References
| Description | Operator's Manual Model 800GT Series (1666091) published in 1979 / Lawn and Garden Tractors published in 1979, by Allis-Chalmers / Lawn & Garden Tractors published in 1980, by Allis-Chalmers |
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