Simplicity lawn tractors

Simplicity SunStar 18

The Simplicity SunStar 18 is a garden tractor produced from 1987 to 1997 by Simplicity in Port Washington, Wisconsin, USA. It features an 18 hp engine option from Kohler or Vanguard, a shaft-driven hydrostatic transmission, and a variety of attachments including mower decks, snowblowers, blades, and a front-end loader. It has a wheelbase of 51 inches and weighs between 825 and 1003 pounds depending on attachments. The tractor offers two-wheel drive with manual or optional hydraulic power steering and mechanical drum brakes. It includes optional rear and front independent PTOs with electric clutches.

Power-

Founded-

ModelSunStar 18

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Technical Specifications

Detailed specifications and technical data for Simplicity SunStar 18

Engine

Starter	electric
Fuel tank	4.25 gal (16.1 L)
Rated RPM	3600
Sparkplug	Champion RV15YC
Kohler M18	gasoline, 2-cylinder, air-cooled horizontal-shaft opposed-twin, full-pressure lubrication, used through 1994
Air cleaner	dual element
Bore/Stroke	2.83x2.75 inches (72 x 70 mm)
Compression	6.0:1
Displacement	569 cc (34.75 ci)
Oil capacity	1.75 qts (1.7 L)
Power (gross)	18 hp (13.4 kW)
Sparkplug gap	0.025 inches (0.635 mm)
Starter volts	12
Engine options	18HP Kohler 691cc 2-cyl gasoline, 18HP Vanguard 569cc 2-cyl gasoline
Vanguard 350447	gasoline, 2-cylinder, air-cooled horizontal-shaft V-Twin, replaced Kohler in 1995 through end of production

Electrical

Ground	negative
Battery CCA	400
Battery volts	12
Charging amps	15
Charging system	flywheel alternator

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical drum brakes
Steering	manual, hydraulic power optional
Operator station	Open operator station

Production

Series	SunStar Series
Built in	Port Washington, Wisconsin, USA
Category	Garden tractor
Original price	$6,049 (1990), $6,300 (1991), $6,850 (1993)
Years produced	1987 - 1997

Attachments

Blade	46 inches width (116 cm), front-mount, 157 lbs (71 kg), manual-angle, hydraulic-angle Optional, Simplicity 1691000
Additional	A 38-inch tiller was available. The tiller required a rear lift kit (1691765) and rear PTO. Tiller required the appropriate gear box for the PTO (2000 or 3400 RPM).
Snowblower	42 inches width (106 cm), single-stage, front-mount, 218 lbs (98 kg), Simplicity 1690982
Snow blower	two-stage, front-mount, 300 lbs (136 kg), Simplicity 1691360
Front-end loader	Model1691309 Loader Weight479 lbs (217 kg) Boom rod1.00 inches (2 cm) Bucket rod1.00 inches (2 cm) Dump angle41° Dump reach12.5 inches (31 cm) Bucket width38 inches (96 cm), 48 inches (121 cm) Ground reach42.5 inches (107 cm) Boom cylinder1.50 inches (3 cm) Height at pin72 inches (182 cm) Lift capacity400 lbs lift (full at pin) (181 kg) Breakout force500 lbs breakout (at pin) (226 kg) Rollback angle16° (ground line) Bucket cylinder1.50 inches (3 cm) Clearance dumped55 inches (139 cm)
42" mid-mount mower deck	42 inches (106 cm), 3-blade, 184 lbs (83 kg), Simplicity 1691009
48" mid-mount mower deck	48 inches (121 cm), 3-blade, 210 lbs (95 kg), Simplicity 1690986

Transmission

Type	shaft-driven hydrostatic
Gears	infinite forward and reverse
Oil type	ATF F
Transaxle	Peerless 2600
Oil capacity	6 qts (5.7 L)
Transmission	Sundstrand 15

Tractor hitch

Rear Type	0 Optional

Dimensions & Tires

Width	38.25 inches (97 cm)
Length	78 inches (198 cm)
Weight	825 lbs (374 kg), 1003 lbs (454 kg) with 48-inch deck
Rear tire	23x10.5-12
Wheelbase	51 inches (129 cm)
Front tire	16x6.50-8
Height (steering wheel)	47 inches (119 cm)