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Lawn Tractor · 1987Unverified

Simplicity SunStar 18

Name: Simplicity SunStar 18
Brand: Simplicity

Simplicity SunStar 18 — SunStar Series · 18 hp. Reference specifications; pending source verification.

The Simplicity SunStar 18 is a lawn tractor model with a rated output of 18 horsepower, placing it centrally within its class in terms of power. It was manufactured from 1987 to 1997. The machine features a 2-cylinder petrol air-cooled engine, which powers two-wheel drive via a hydrostatic transmission. Its listed weight is between 825 and 1003 pounds, making it suitable for tasks covering approximately 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

18 hp

Weight

825 to 1003 pounds

Catalogue coverage

Variants represented

Richest spec table

80 rows

Recorded power

18 hp

Recorded weight

374 kg

Transmissions

hydrostatic

Production years

1987-1997

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerSimplicityReference

Garden tractorReference

Built in Port Washington, Wisconsin, USAReference

Original price$6,049 (1990 )Reference

Original price$6,300 (1991 )Reference

Original price$6,850 (1993 )Reference

Two-wheel driveReference

SteeringmanualReference

Steeringhydraulic power optionalReference

Mechanical drum brakesReference

Open operator station.Reference

Engine

18HP Kohler 691cc 2-cyl gasolineReference

18HP Vanguard 569cc 2-cyl gasolineReference

Fuel tank16.1 LReference

Kohler M18Reference

gasolineReference

2-cylinderReference

air-cooled horizontal-shaft opposed-twinReference

Full-pressure lubrication. The Kohler was used through the 1994 model year.Reference

Displacement42.18 ciReference

Bore/Stroke79 x 70 mmReference

Power (gross)13.4 kWReference

Air cleanerdual elementReference

Compression6.0:1Reference

Rated RPM3400Reference

Torque39.3 NmReference

Torque RPM2600Reference

StarterelectricReference

Starter volts12Reference

Oil capacity1.4 LReference

SparkplugChampion RV15YCReference

Sparkplug gap0.635 mmReference

Vanguard 350447Reference

air-cooled horizontal-shaft V-TwinReference

The Briggs Vanguard was replaced the Kohler in 1995 and was used through the end of production.Reference

Displacement34.75 ciReference

Bore/Stroke72 x 70 mmReference

Rated RPM3600Reference

Oil capacity1.7 LReference

Transmission

hydrostaticReference

TransmissionSundstrand 15Reference

Typeshaft-driven hydrostaticReference

Gearsinfinite forward and reverseReference

Oil capacity5.7 LReference

Oil typeATF FReference

Peerless 2600 transaxle.Reference

PTO & Hydraulics

Rear Type0Reference

Rear PTOindependentReference

ClutchelectricReference

Rear PTO Type2000Reference

Rear PTO Type3400Reference

Front PTOindependentReference

Front PTO TypepulleyReference

Dimensions

Wheelbase129 cmReference

Weight825 to 1003 poundsReference

Front tire16x6.50-8Reference

Rear tire23x10.5-12Reference

Lawn/turf front16x6.50-8Reference

Lawn/turf rear23x10.5-12Reference

Length198 cmReference

Width97 cmReference

Height (steering wheel)119 cmReference

Weight374 kgReference

Weight454 kgReference

Simplicity SunStar 18 attachments

42" mid-mount mower deckReference

48" mid-mount mower deckReference

snowblowerReference

bladeReference

front-end loaderReference

Electrical

GroundnegativeReference

Charging systemflywheel alternatorReference

Charging amps15Reference

Battery CCA400Reference

Battery volts12Reference

Attachment overview

42" mid-mount mower deckReference

48" mid-mount mower deckReference

SnowblowerReference

BladeReference

Front-end loaderReference

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).Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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