· 1970 Unverified Yard-Man 3420 Mustang Yard-Man 3420 Mustang — Riding lawn mower · 5 hp. Reference specifications; pending source verification.
The Yard-Man 3420 Mustang is a compact lawn tractor with a rated output of 5 hp. It was produced from 1970 to 1972 and features a 1-cylinder petrol air-cooled engine. Power is transmitted through a 2-speed gearbox to the rear wheels, providing a two-wheel drive system. This model is suitable for small to medium-sized lawns 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
35 rows
Production years
1970-1972
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 Yard-Man Reference
Riding lawn mower Reference
Built in Jackson, Michigan, USA Reference
Original price was $380 in 1970 Reference
Two-wheel drive Reference
Manual steering Reference
Open operator station. Reference
5HP Briggs & Stratton 206cc 1-cyl gasoline Reference
Briggs & Stratton 130904 Reference
gasoline Reference
1-cylinder Reference
air-cooled vertical-shaft Reference
Displacement 12.57 ci Reference
Bore/Stroke 65 x 62 mm Reference
Power (gross) 3.7 kW Reference
Starter electric Reference
Starter volts 12 Reference
2-speed Reference
Gears 2 forward and 1 reverse Reference
Mid PTO independent Reference
Clutch manual Reference
Front tire 10.5x3.50 Reference
Rear tire 13x4.50 Reference
Lawn/turf front 10.5x3.50 Reference
Lawn/turf rear 13x4.50 Reference
25" mid-mount mower deck Reference
blade Reference
Ground negative Reference
Battery volts 12 Reference
25" mid-mount mower deck Reference
Blade Reference
Type mid-mount Yard-Man Reference
Type 1-blade with manual lift Reference
Cutting width 63 cm Reference
Cut height 3 to 7 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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