Simplicity lawn tractors

Simplicity SunRunner 12G

The Simplicity SunRunner 12G is a lawn tractor produced from 1987 to 1989 as part of the SunRunner Series. It features a 12 hp Briggs & Stratton 1-cylinder air-cooled vertical-shaft gasoline engine with electric start. The transmission is a Peerless 5-speed belt-driven gear type with 5 forward and 1 reverse gear. It has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. The tractor uses a front independent PTO with a mechanical idler pulley clutch. Dimensions include a 40 inch wheelbase, 64 inch tractor length (83.75 inches total), 36 inch width, and weighs 490 lbs. Tires are lawn/turf type with 15x6-6.00 front and 4.1/3.5-4 rear sizes. Electrical system is 12 volts with negative ground. Attachments include 36" and 42" front-mount mower decks with multiple cut height adjustments. Variants include the 12G gear model and 12H hydrostatic model.
Power-
Founded-
Model12G

Technical Specifications

Detailed specifications and technical data for Simplicity SunRunner 12G

Tires
Rear tire4.1/3.5-4
Front tire15x6-6.00
Engine
Power12 hp (8.9 kW)
Coolingair-cooled vertical-shaft
Starterelectric
Cylinders1-cylinder
Fuel typegasoline
Engine detailBriggs & Stratton
Starter volts12
Variants
12Ggear
12Hhydrostatic
Dimensions
Width36 inches (91 cm)
Length64 inches (162 cm) Tractor only, 83.75 inches (212 cm) total
Weight490 lbs (222 kg)
Wheelbase40 inches (101 cm)
Height (hood)24.5 inches (62 cm)
Height (steering wheel)42 inches (106 cm)
Electrical
Groundnegative
Battery volts12
Mechanical
DriveTwo-wheel drive
BrakesMechanical band brakes
SteeringManual steering
Operator stationOpen operator station
Production
SeriesSunRunner Series
Years made1987 - 1989
ManufacturerSimplicity
Front-mount moweryes
Attachments
36" front-mount mower deck36 inches (91 cm) cutting width, total width 45 inches (114 cm), front-mount, 2-blade, cut height 1.25 to 2.75 inch (3 to 6 cm), 5 cut adjustments, weight 450 lbs (204 kg)
42" front-mount mower deck42 inches (106 cm) cutting width, total width 57.5 inches (146 cm), front-mount, 3-blade, cut height 1.25 to 2.75 inch (3 to 6 cm), 5 cut adjustments, weight 485 lbs (219 kg)
Transmission
Typebelt-driven gear
Gears5 forward and 1 reverse
TransmissionPeerless
Power Take-off (PTO)
PTOFront PTO
Clutchmechanical idler pulley
PTO typeindependent