· 1975 Unverified Allis Chalmers 405 Allis Chalmers 405 — Riding lawn mower · 5 hp. Reference specifications; pending source verification.
The Allis Chalmers 405 is a compact lawn tractor rated at 5 hp. Manufactured between 1975 and 1979, it features a 1-cylinder petrol air-cooled engine, transmitting power through a 2-speed gearbox to two-wheel drive. The listed weight of the Allis Chalmers 405 is 121 kg, with an intended application for areas of approximately 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
2-speed gear
Production years
1975-1979
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
Riding lawn mower Reference
Built in Port Washington, Wisconsin, USA Reference
Original price was $681 in 1979 Reference
Two-wheel drive Reference
Manual steering Reference
Open operator station. Reference
3005 Wonder Boy similar Simplicity model Reference
5HP Briggs & Stratton 204cc 1-cyl gasoline Reference
Fuel tank 2.8 L Reference
Briggs & Stratton 130202 Reference
gasoline Reference
1-cylinder Reference
air-cooled horizontal-shaft Reference
Displacement 12.5 ci Reference
Bore/Stroke 65 x 62 mm Reference
Power 3.7 kW Reference
Starter type manual recoil Reference
Starter type electric Reference
2-speed gear Reference
Type belt-driven gear Reference
Gears 2 forward and 1 reverse Reference
Wheelbase 105 cm Reference
Weight 121 kg Reference
Front tire 4.10/3.50x4 Reference
Rear tire 16.00/6.50x8 Reference
Lawn/turf front 4.10/3.50x4 Reference
Lawn/turf rear 16.00/6.50x8 Reference
Length 147 cm Reference
Width 71 cm Reference
Height (steering wheel) 99 cm Reference
Height (hood) 74 cm Reference
Shipping weight 121 kg Reference
26" mid-mount mower deck Reference
Serial number decal on the left side of the Allis Chalmers 405 frame, under the seat. Reference
Type mid-mount Allis Chalmers Reference
Type 1-blade Reference
Cutting width 66 cm Reference
Overall width 91 cm Reference
Cut height 3 to 9 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.
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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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