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Lawn Tractor · 1977Unverified

Gravely GMT 9000

Name: Gravely GMT 9000
Brand: Gravely

Gravely GMT 9000 — Garden tractor · 26 hp. Reference specifications; pending source verification.

The Gravely GMT 9000 is a lawn tractor rated at 26 hp, categorising it among the higher-powered machines in its class. Manufactured from 1977 to 1982, this model features a 4-cylinder petrol liquid-cooled engine and two-wheel drive with an 8-speed gearbox. The listed weight of the Gravely GMT 9000 is 666 kg, and it is designed for use on areas of approximately 200 acres.

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

Rated power

26 hp

Weight

666 kg

Catalogue coverage

Variants represented

Richest spec table

52 rows

Recorded power

26 hp

Recorded weight

666 kg

Transmissions

8-speed gear

Production years

1977-1982

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerGravelyReference

Garden tractorReference

Two-wheel driveReference

Power steeringReference

Differential drum brakesReference

Open operator station. Optional two-post ROPS.Reference

Engine

26HP Continental 845cc 4-cyl gasolineReference

Fuel tank26.5 LReference

Continental R800-46Reference

gasolineReference

4-cylinderReference

liquid-cooledReference

Displacement51.6 ciReference

Bore/Stroke58 x 80 mmReference

Power19.4 kWReference

Compression8:1Reference

Rated RPM4000Reference

Firing order1-3-4-2Reference

Starter volts12Reference

Sparkplug gap0.635 mmReference

Point gap0.457 mmReference

Intake valve clearance0.127 mmReference

Exhaust valve clearance0.203 mmReference

Oil capacity3.1 LReference

Transmission

8-speed gearReference

Typeshaft-driven gearReference

Gears8 forward and 4 reverseReference

Oil capacity9.5 LReference

PTO & Hydraulics

Rear TypeIReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Mid PTO Type1893Reference

Dimensions

Wheelbase160 cmReference

Weight666 kgReference

Front tire20x8.00-10Reference

Rear tire29x12.00-15Reference

Ag front4.00-12Reference

Ag rear9.5-16Reference

Lawn/turf front20x8.00-10Reference

Lawn/turf rear29x12.00-15Reference

Length229 cmReference

Width129 cmReference

Height111 cmReference

Shipping weight666 kgReference

Front tread93 cmReference

Rear tread99 to 109 cmReference

Gravely GMT 9000 attachments

72" mid-mount mower deckReference

50" side-mount mower deckReference

Electrical

GroundnegativeReference

Battery volts12Reference

Attachment overview

72" mid-mount mower deckReference

50" side-mount mower deckReference

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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