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Lawn Tractor · 1989Unverified

John Deere STX30

John Deere STX30 — Lawn tractor · 9 hp. Reference specifications; pending source verification.

The John Deere STX30 is a lawn tractor with a rated power output of 9 hp, which positions it at the lighter end of its class. It was manufactured from 1989 to 1993. The machine features a 1-cylinder petrol air-cooled engine and two-wheel drive, paired with a 5-speed gearbox. It has an operating weight of 189 kg and 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
9 hp
Weight
189 kg

Catalogue coverage

Variants represented
2
Richest spec table
65 rows
Recorded power
9 hp
Transmissions
5-speed gear
Production years
1989-1993
Verified variants
0

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference
Lawn tractorReference
Built in Horicon, Wisconsin, USAReference
The STX30 was the smallest lawn tractor in the John Deere line during its production. Front headlights lights were available as a kit (AM107293).Reference
Two-wheel driveReference
Steeringmanual sector-and-pinionReference
Integral mechanical disc brakesReference
Open operator station with foam-padded seat.Reference

Engine

9HP Kohler 398cc 1-cyl gasolineReference
Fuel tank4.7 LReference
Kohler CF12.5-1216SReference
gasolineReference
1-cylinderReference
air-cooled vertical-shaftReference
Displacement24.3 ciReference
Bore/Stroke87 x 67 mmReference
Power6.7 kWReference
Air cleanerpaper and foamReference
Compression8.9:1Reference
Idle RPM1350-3350Reference
Starter volts12Reference
SparkplugChampion RC12YCReference
Sparkplug gap1.016 mmReference
Oil capacity1.9 LReference
Oil change50 hReference
Image courtesy of Matthew MarchandReference

Transmission

5-speed gearReference
TransmissionPeerless 920Reference
Typebelt-driven gearReference
Gears5 forward and 1 reverseReference
Oil changesealed unit, owner service is not recommendedReference

PTO & Hydraulics

Mid PTOindependentReference
ClutchelectricReference

Dimensions

Wheelbase113 cmReference
Weight189 kgReference
Front tire13x5-6Reference
Rear tire18x6.5-8Reference
Lawn/turf front13x5-6Reference
Lawn/turf rear18x6.5-8Reference
Length152 cmReference
Width110 cmReference
Height (steering wheel)98 cmReference

John Deere STX30 attachments

30" mid-mount mower deckReference
snowblowerReference

STX30 Serial Number Location

Serial number decal on the rear of the tractor, behind the left wheel.Reference

STX30 Serial Numbers

1989595001Reference
1990010001Reference
1991100001Reference
1992135001Reference
1993160000Reference
Final210000Reference
FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference
Charging systemflywheel alternatorReference
Charging amps15Reference
Battery CCA200Reference
Battery volts12Reference

Attachment overview

30" mid-mount mower deckReference
SnowblowerReference
A twin-bag 6.5-bushel rear grass bagger (BM16868) was optional. If the tractor was operating on hills with the bagger then 35-pound wheel weights were recommended. Rear-tire chains and a rear suitcase-style weight bracket were available for use with the snowblower.Reference

30" Mower deck

Typemid-mount John DeereReference
Type1-blade with manual liftReference
Cutting width76 cmReference
Cut height2 to 10 cmReference
Cut positions7Reference

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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