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Lawn Tractor · 1987Unverified

Simplicity SunStar 20

Simplicity SunStar 20 — SunStar Series · 20 hp. Reference specifications; pending source verification.

The Simplicity SunStar 20 is a lawn tractor with a rated engine power of approximately 20 hp, positioning it at the more powerful end of its class. It was manufactured from 1987 to 1997. The machine is equipped with a 2-cylinder petrol air-cooled engine, paired with two-wheel drive and a hydrostatic transmission. Its operating weight is listed as 873 to 1108 pounds, and it is suitable for operations covering up to 200 acres.

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

Rated power
20 hp
Weight
873 to 1108 pounds

Catalogue coverage

Variants represented
2
Richest spec table
85 rows
Recorded power
20 hp
Transmissions
hydrostatic
Production years
1987-1997
Verified variants
0

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$6,549 (1990 )Reference
Original price$6,810 (1991 )Reference
Original price$7,350 (1993 )Reference
Original price$7,400 (1994 )Reference
Original price$7,700 (1996 )Reference
Original price$7,950 (1994 )Reference
Two-wheel driveReference
Differential lockmechanical rearReference
Power steeringReference
Mechanical drum brakesReference
Open operator station.Reference

Variants

1920Hsimilar AGCO modelReference
2920Hsimilar Massey Ferguson modelReference

Engine

20HP Kohler 770cc 2-cyl gasolineReference
20HP Kohler 622cc 2-cyl gasolineReference
Fuel tank16.1 LReference
Kohler M20Reference
gasolineReference
2-cylinderReference
air-cooled horizontal-shaft opposed-twinReference
Full-pressure lubrication. The Kohler Magnum was used through the 1994 model year.Reference
Displacement46.98 ciReference
Bore/Stroke79 x 78 mmReference
Power (gross)14.9 kWReference
Air cleanerdual elementReference
Compression6.6:1Reference
Rated RPM3400Reference
Torque44.5 NmReference
Torque RPM2600Reference
StarterelectricReference
Starter volts12Reference
Oil capacity1.7 LReference
SparkplugChampion RV15YCReference
Sparkplug gap0.635 mmReference
Kohler Command CH20SReference
The Kohler Command engine was used in the SunStar 20 from 1995 through 1997.Reference
Displacement38 ciReference
Bore/Stroke77 x 67 mmReference
Rated RPM3600Reference
Oil capacity1.9 LReference

Transmission

hydrostaticReference
TransmissionSundstrand 15Reference
Typeshaft-driven hydrostaticReference
Gearsinfinite forward and reverse (2-range)Reference
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
Weight873 to 1108 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
395 kgReference
476 kgReference
502 kgReference

Simplicity SunStar 20 attachments

48" mid-mount mower deckReference
60" mid-mount mower deckReference
snowblowerReference
bladeReference
front-end loaderReference

Electrical

GroundnegativeReference
Charging systemflywheel alternatorReference
Charging amps15Reference
Battery CCA400Reference
Battery volts12Reference

Attachment overview

48" mid-mount mower deckReference
60" 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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