· 1977 Unverified Allis Chalmers 611 Allis Chalmers 611 — 600 Lawn Series · 11 hp. Reference specifications; pending source verification.
The Allis Chalmers 611 is a lawn tractor with a rated power of 11 hp, falling within the mid-range for its class. Production of this model spanned 1977 to 1979. It features a 1-cylinder petrol air-cooled engine, paired with a 3-speed gearbox and two-wheel drive. This model is suited for operations on up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Richest spec table
40 rows
Transmissions
3-speed gear
Production years
1977-1979
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
Lawn tractor Reference
Built in Port Washington, Wisconsin, USA Reference
Two-wheel drive Reference
Manual steering Reference
Disc brakes Reference
Open operator station. Reference
11HP Briggs & Stratton 399cc 1-cyl gasoline Reference
Fuel tank 8.3 L Reference
Briggs & Stratton 251707 Reference
gasoline Reference
1-cylinder Reference
air-cooled vertical-shaft Reference
Displacement 24.36 ci Reference
Bore/Stroke 87 x 59 mm Reference
Power 8.2 kW Reference
Air cleaner foam Reference
Rated RPM 3600 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
Wheelbase 115 cm Reference
Front tire 13-5.00x6 Reference
Rear tire 18-9.50x8 Reference
Lawn/turf front 13-5.00x6 Reference
Lawn/turf rear 18-9.50x8 Reference
Length 159 cm Reference
Width 88 cm Reference
Height 99 cm Reference
Ground clearance 13 cm Reference
36" mid-mount mower deck Reference
SimpleTractors.com: information, photos and old advertising literature at SimpleTractors.com Reference
Ground negative Reference
Battery volts 12 Reference
Type mid-mount Allis-Chalmers Reference
Type 3-blade with manual lift Reference
Cutting width 91 cm 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.
Partner tool · Free Working out if you can afford this tractor?
YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.
Calculate your take-home pay Recommended kit
Handy kit for owners Popular tractor and farm accessories owners pick up for machines like this.
Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more .
Compare the Allis Chalmers 611 head-to-head Similar lawn tractors Allis Chalmers
611 Hydro Unverified
11 hp
Allis Chalmers
T-811 Unverified
11 hp
Allis Chalmers
811GT Unverified
11 hp
Allis Chalmers
611 LTD Unverified
11 hp
Allis Chalmers
912 Unverified
12 hp
Allis Chalmers
910 1690515 Unverified
10 hp
Est. 2022
Request a dealer quote Free and no obligation. FarmFleets is independent — we’ll pass your enquiry to a partner dealer where available, and you can always reach the official Allis Chalmers network directly.
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
Check fit Get alerts for this model Email me if a recall, service bulletin, or notable price move is recorded.
Spotted something off? Suggest a correction ->
