· 1979 Unverified Allis Chalmers 811GT Allis Chalmers 811GT — 800GT Series · 11 hp. Reference specifications; pending source verification.
The Allis Chalmers 811GT is a lawn tractor with a rated power output of 11 hp, a mid-range figure for its class. Manufactured from 1979 to 1981, the 811GT features a 1-cylinder petrol air-cooled engine, paired with two-wheel drive and a 3-speed gearbox. Its listed operating weight is 198 kg. It is capable of supporting operations on areas of up to 200 ac.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Richest spec table
48 rows
Transmissions
3-speed gear
Production years
1979-1981
No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.
Specifications Description Maintenance Troubleshooting Ownership Reviews Q&A Docs & sources
Hover a source tag to verify UK metric US imperial
Manufacturer Allis Chalmers Reference
Garden tractor Reference
Built in Port Washington, Wisconsin, USA Reference
Original price was $1,466 in 1979 Reference
Two-wheel drive Reference
Manual steering Reference
Mechanical band brakes Reference
Open operator station. Reference
11HP Briggs & Stratton 399cc 1-cyl gasoline Reference
Fuel tank 8.3 L Reference
Briggs & Stratton 252707 Reference
gasoline Reference
1-cylinder Reference
air-cooled vertical-shaft Reference
Displacement 24.36 ci Reference
Bore/Stroke 87 x 67 mm Reference
Power (gross) 8.2 kW Reference
Rated RPM 3400 Reference
Idle RPM 1750-3400 Reference
Starter electric Reference
Starter volts 12 Reference
3-speed gear Reference
Type belt-driven gear Reference
Gears 3 forward and 1 reverse Reference
Mid PTO independent Reference
Clutch mechanical idler pulley Reference
Wheelbase 115 cm Reference
Weight 198 kg Reference
Front tire 15x6.00-6 Reference
Rear tire 20x8.00-10 Reference
Lawn/turf front 15x6.00-6 Reference
Lawn/turf rear 20x8.00-10 Reference
Length 168 cm Reference
Width 85 cm Reference
Height (steering wheel) 101 cm Reference
Height (hood) 87 cm Reference
36" mid-mount mower deck Reference
42" mid-mount mower deck Reference
snowblower Reference
blade Reference
Ground negative Reference
Charging amps 3 Reference
Battery volts 12 Reference
Battery AH 39 Reference
36" mid-mount mower deck Reference
42" mid-mount mower deck Reference
Snowblower Reference
Blade Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
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Request a quote Who it suits Operation size Up to 200 ac
Budget class Entry
Is it right for you? Operation size Under 200 ac 200–1,500 ac 1,500+ ac
Need a front loader? Yes No
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