Yard-Man lawn tractors

Yard-Man 3720 Mustang

The Yard-Man 3720 Mustang is a riding lawn mower produced from 1973 to 1975. It features a 5 hp Briggs & Stratton 206cc 1-cylinder gasoline engine with manual recoil start, a 3-speed transmission with 3 forward and 1 reverse gears, and two-wheel drive with manual steering. The mower has a 25-inch mid-mount mower deck with a single blade and manual lift, offering a cutting height range of 1.875 to 3.375 inches. It was built in Jackson, Michigan, USA, and originally sold for $400 in 1973. Variants include the 3720 with recoil start and the 3730 with electric start.
Power5 hp
Founded25" deck
Model3720

Technical Specifications

Detailed specifications and technical data for Yard-Man 3720 Mustang

Power
Rated power5 hp (3.7 kW)
Engine
Typegasoline
ModelBriggs & Stratton 130902
Power5 hp (3.7 kW)
Coolingair-cooled vertical-shaft
Cylinders1-cylinder
Bore/Stroke2.5625x2.4375 inches (65 x 62 mm)
Displacement206 cc (12.57 ci)
Starter typemanual recoil
Variants
3720recoil start
3730electric start
Dimensions
Rear tire13.00/5.00
Front tire10.50/3.50
Mechanical
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Production
TypeRiding lawn mower
Built inJackson, Michigan, USA
Years made1973 - 1975
Original price$400 in 1973
Attachments
Typemid-mount Yard-Man
Blade1-blade with manual lift
Cut height1.875 to 3.375 inch (4 to 8 cm)
Mower deck25" mid-mount mower deck
Cutting width25 inches (63 cm)
Transmission
Type3-speed
Gears3 forward and 1 reverse