Simplicity lawn tractors

Simplicity Broadmoor 6HP 990303

The Simplicity Broadmoor 6HP 990303 is a lawn tractor produced from 1964 to 1966 by Simplicity in Port Washington, Wisconsin, USA. It features a 6 hp Briggs & Stratton 231cc 1-cylinder gasoline engine with air-cooled vertical shaft, a 2-speed belt-driven gear transmission with 2 forward and 1 reverse gears, and two-wheel manual steering. The tractor has an open operator station and an independent front PTO with mechanical clutch. Dimensions include a 41.5 inch wheelbase, 57 inch length, and 29.25 inch width. Tires are lawn/turf type with front sizes 4.10x6 or 5.30x6 and rear sizes 5.70x8 or 9.50x8. Attachments available include a 32" mid-mount mower deck, snowblower, and blade. Electrical system uses a 12 volt battery with negative ground.
Power-
Founded-
ModelBroadmoor 6HP 990303

Technical Specifications

Detailed specifications and technical data for Simplicity Broadmoor 6HP 990303

Tires
Lawn/turf rear5.70x8, 9.50x8
Lawn/turf front4.10x6, 5.30x6
Engine
Coolingair-cooled vertical-shaft
Startermanual recoil, electric Optional
Cylinders1-cylinder
Fuel typegasoline
Bore/Stroke2.75x2.375 inches (70 x 60 mm)
Displacement231 cc (14.11 ci)
Engine modelBriggs & Stratton 146702
Power (gross)6 hp (4.5 kW)
Starter volts12
Variants
990287small tire recoil start
990288large tire recoil start
990303large tire electric start
Dimensions
Width29.25 inches (74 cm)
Length57 inches (144 cm)
Wheelbase41.5 inches (105 cm)
Height (hood)31.5 inches (80 cm)
Height (steering wheel)33.5 inches (85 cm)
Electrical
Groundnegative
Battery volts12
Mechanical
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Production
SeriesBroadmoor Series
Built inPort Washington, Wisconsin, USA
CategoryLawn tractor
Years made1964 - 1966
Attachments
Overview32" mid-mount mower deck, Snowblower, Blade
42" BladeSimplicity, front-mount, 42 inches width (106 cm)
32" Mower deckmid-mount Simplicity, 2-blade with manual lift, Cutting width 32 inches (81 cm), Weight 87 lbs (39 kg), Cut height 1.625 to 3.5 inch (4 to 8 cm)
32" Snow blowerSimplicity, 32 inches width (81 cm), front-mount
Transmission
Typebelt-driven gear
Gears2 forward and 1 reverse
Power Take-off (PTO)
Clutchmechanical
Front PTOindependent