Allis Chalmers lawn tractors

Allis Chalmers 811GT

The Allis Chalmers 811GT is a garden tractor produced from 1979 to 1981 as part of the 800GT Series. It features an 11 horsepower Briggs & Stratton 399cc single-cylinder gasoline engine with electric start, a 3-speed belt-driven gear transmission with 1 reverse, and two-wheel drive with manual steering. The tractor has a wheelbase of 45.5 inches and weighs 438 lbs. It includes a mid PTO with independent clutch and mechanical idler pulley. Attachments available include 36" and 42" mid-mount mower decks, a 42" front blade, and a 36" snow blower. It was built in Port Washington, Wisconsin, USA, and originally sold for $1,466 in 1979.

Power-

Founded-

Model811GT

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 811GT

Tires

Rear tire	20x8.00-10
Front tire	15x6.00-6

Engine

Type	gasoline
Model	Briggs & Stratton 252707
Cooling	air-cooled vertical-shaft
Starter	electric
Idle RPM	1750-3400
Cylinders	1-cylinder
Fuel tank	2.2 gal (8.3 L)
Rated RPM	3400
Bore/Stroke	3.4375x2.625 inches (87 x 67 mm)
Displacement	399 cc (24.36 ci)
Power (gross)	11 hp (8.2 kW)
Starter volts	12

Overview

Series	800GT Series
Built in	Port Washington, Wisconsin, USA
Category	Garden tractor
Original price	$1,466 in 1979
Production years	1979 - 1981

Dimensions

Width	33.5 inches (85 cm)
Length	66.25 inches (168 cm)
Weight	438 lbs (198 kg)
Wheelbase	45.5 inches (115 cm)
Height (hood)	34.5 inches (87 cm)
Height (steering wheel)	40 inches (101 cm)

Electrical

Ground	negative
Battery AH	39
Battery volts	12
Charging amps	3

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical band brakes
Steering	Manual steering
Operator station	Open operator station

References

Books	Lawn and Garden Tractors published in 1979, by Allis-Chalmers; Lawn & Garden Tractors published in 1980, by Allis-Chalmers
Operator's Manual	Model 800GT Series (1666091) published in 1979

Attachments

Note	Garden tractors are capable of using tillers, plows, or other ground-engaging attachments.
42" Blade	front-mount, 42 inches width (106 cm), 15.75 inches height (40 cm), weight 70 lbs (31 kg)
36" Snow blower	front-mount, 36 inches width (91 cm), total width 37.5 inches (95 cm), weight 145 lbs (65 kg)
36" mid-mount mower deck	36 inches (91 cm) cutting width, total width 42 inches (106 cm), 2-blade, cut height 1.5 to 3.5 inch (3 to 8 cm), weight 76 lbs (34 kg)
42" mid-mount mower deck	42 inches (106 cm) cutting width, total width 57 inches (144 cm), 3-blade, weight 112 lbs (50 kg)

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