Allis Chalmers 811GT
Power
11 hp
Production
1979-1981
Engine
Gasoline, 1-cylinder
Transmission
Belt-driven gear
Weight
438 lbs*Weight of tractor only. [198 kg]
Drive
2WD
From the same series:
Introduction
Allis Chalmers 811GT Garden Tractor
The Allis Chalmers 811GT is a garden tractor produced in Port Washington, Wisconsin, USA, between 1979 and 1981. Designed for residential property maintenance and light-duty tasks, this two-wheel-drive machine is part of the 810GT/816GT series.
Engine and Performance
The tractor is powered by an air-cooled, single-cylinder gasoline engine with a displacement of 399 cc (24.36 ci). It generates a gross power output of 11 hp (8.2 kW) at a rated speed of 3400 RPM. The engine features an electric starter system operating on 12 volts.
Transmission and PTO
The drivetrain consists of a belt-driven gear transmission providing three forward speeds and one reverse gear. It is equipped with an independent mid-PTO, which utilizes a mechanical idler pulley clutch for engagement, allowing for the operation of compatible attachments such as a 36 or 42-inch mower deck.
Mechanical and Chassis
Built on a compact chassis with a 115 cm (45.5 inch) wheelbase, the 811GT features an open operator station, manual steering, and mechanical band brakes. The machine weighs 198 kg (438 lbs) and is fitted with turf tires specifically designed for lawn maintenance, measuring 15x6.00-6 at the front and 20x8.00-10 at the rear.
Electrical System
The electrical system is configured with a negative ground and is supported by a 12-volt battery with a capacity of 39 AH. The charging system provides 3 amps of current to maintain battery levels during operation.
Conclusion
The Allis Chalmers 811GT is a straightforward, mechanically driven garden tractor suited for landowners requiring a compact unit for mowing and light ground care. Its simple design and standard components reflect the utility-focused engineering common in the late 1970s garden tractor market.
Production Information of Allis Chalmers, 811GT
- Original price was $1,466 in 1979
- Garden tractor
- Built in Port Washington, Wisconsin, USA
| Manufacturer | Allis Chalmers |
|---|
Dimension and Tires Information of Allis Chalmers, 811GT
| Wheelbase | 45.5 inches [115 cm] |
|---|---|
| Height (hood) | 34.5 inches [87 cm] |
| Height (steering wheel) | 40 inches [101 cm] |
| Length | 66.25 inches [168 cm] |
| Weight | 438 lbs [198 kg] |
| Width | 33.5 inches [85 cm] |
Weight of tractor only.
| Lawn/turf front | 15x6.00-6 |
|---|---|
| Lawn/turf rear | 20x8.00-10 |
Engine Specifications of Allis Chalmers, 811GT
- Air-cooled vertical-shaft
- Gasoline
- 1-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 399 cc [24.36 ci] |
| Rated RPM | 3400 |
| Bore/Stroke | 3.4375x2.625 inches [87 x 67 mm] |
| Starter | Electric |
| Idle RPM | 1750-3400 |
| Power (gross) | 11 hp [8.2 kW] |
Transmission Information of Allis Chalmers, 811GT
Transmission variants 1
| Type | Belt-driven gear |
|---|---|
| Gears | 3 forward and 1 reverse |
Mechanical Specs of Allis Chalmers, 811GT
- Two-wheel drive
- Open operator station.
- Manual steering
- Mechanical band brakes
Power Information of Allis Chalmers, 811GT
| Mid PTO | Independent |
|---|---|
| Clutch | Mechanical idler pulley |
Electrical System of Allis Chalmers, 811GT
| Ground | Negative |
|---|---|
| Battery AH | 39 |
| Charging amps | 3 |
| Battery volts | 12 |
Where it sits
With 11 HP, the Allis Chalmers 811GT sits between 810GT (10 HP) and 816GT (16 HP) in Allis Chalmers's range. Its power puts it in the 69th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers 811GT have?
The Allis Chalmers 811GT delivers 11 HP.
What years was the Allis Chalmers 811GT produced?
The Allis Chalmers 811GT was produced in 1979-1981.
What engine does the Allis Chalmers 811GT have?
The Allis Chalmers 811GT is powered by a Gasoline, 1-cylinder engine.
What transmission does the Allis Chalmers 811GT use?
The Allis Chalmers 811GT uses a Belt-driven gear transmission.
How much does the Allis Chalmers 811GT weigh?
The Allis Chalmers 811GT weighs 438 lbs*Weight of tractor only. [198 kg].
Is the Allis Chalmers 811GT 4WD?
The Allis Chalmers 811GT is available in 2WD.