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Simplicity 404 990390

Simplicity 404 990390 tractor
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The Simplicity 404 is a riding lawn mower produced from 1967 to 1968 as part of the Wonder Boy Series. It features a 4 hp Briggs & Stratton 170cc 1-cylinder air-cooled gasoline engine with manual recoil start. The mower has a 2-speed belt-driven gear transmission with 2 forward and 1 reverse gear. It is two-wheel drive with manual steering and an open operator station. The mower weighs 237 lbs (107 kg) and rides on 10x2.75 front and 13x5.00-6 rear lawn/turf tires. Attachments include a 24" mid-mount mower deck and a 36" front-mount blade. It was built in Port Washington, Wisconsin, USA, and originally sold for $280 in 1967.
Simplicity 404riding lawn mowerBriggs & Stratton 170cc engine4 hp2-speed transmissionlawn tractormower deck19671968
Power4 hp
Founded24" deck
Model404

Technical Specifications

Detailed specifications and technical data for Simplicity 404 990390

Power

Power (gross):4 hp (3.0 kW)

Engine

Type:gasoline
Model:Briggs & Stratton 100000
Cooling:air-cooled
Cylinders:1-cylinder
Bore/Stroke:2.50x2.125 inches (64 x 54 mm)
Displacement:170 cc (10.4 ci)
Starter type:manual recoil
Power (gross):4 hp (3.0 kW)

Dimensions

Rear tire:13x5.00-6
Front tire:10x2.75
Lawn/turf rear:13x5.00-6
Lawn/turf front:10x2.75
Shipping weight:237 lbs (107 kg)

Electrical

Starter type:manual recoil

Production

Type:Riding lawn mower
Series:Wonder Boy Series
Built in:Port Washington, Wisconsin, USA
Manufacturer:Simplicity (a part of Allis Chalmers)
Original price:$280 in 1967
Years produced:1967 - 1968

Attachments

Blade:36" Blade, Simplicty 335, front-mount, 36 inches width (91 cm), manual-lift, manual-angle
24" mid-mount mower deck:mid-mount Simplicity 990358, 1-blade, 24 inches (60 cm) cutting width, 60 lbs (27 kg) weight, cut height 1.625 to 2.75 inch (4 to 6 cm)

Transmission

Type:belt-driven gear
Gears:2 forward and 1 reverse

Drive and Steering

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Related Models

Simplicity 401

Model:401