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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.
SimplicitySunRunner 12Glawn tractor12 hpBriggs & Stratton enginePeerless transmissionfront-mount mower5-speed gearlawn tractor specs
Power-
Founded-
Model12G

Technical Specifications

Detailed specifications and technical data for Simplicity SunRunner 12G

Tires

Rear tire:4.1/3.5-4
Front tire:15x6-6.00

Engine

Power:12 hp (8.9 kW)
Cooling:air-cooled vertical-shaft
Starter:electric
Cylinders:1-cylinder
Fuel type:gasoline
Engine detail:Briggs & Stratton
Starter volts:12

Variants

12G:gear
12H:hydrostatic

Dimensions

Width:36 inches (91 cm)
Length:64 inches (162 cm) Tractor only, 83.75 inches (212 cm) total
Weight:490 lbs (222 kg)
Wheelbase:40 inches (101 cm)
Height (hood):24.5 inches (62 cm)
Height (steering wheel):42 inches (106 cm)

Electrical

Ground:negative
Battery volts:12

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:Manual steering
Operator station:Open operator station

Production

Series:SunRunner Series
Years made:1987 - 1989
Manufacturer:Simplicity
Front-mount mower:yes

Attachments

36" front-mount mower deck:36 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 deck:42 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

Type:belt-driven gear
Gears:5 forward and 1 reverse
Transmission:Peerless

Power Take-off (PTO)

PTO:Front PTO
Clutch:mechanical idler pulley
PTO type:independent

Related Models

Simplicity 12FC42

Model:12FC42