The Gravely 814 is a lawn tractor with an approximate 14 hp rating, placing it in the mid-range of its class. It was produced from 1973 to 1978. The model features a 1-cylinder petrol air-cooled engine, paired with two-wheel drive and an 8-speed gearbox. It has an operating weight of 408 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
14 hp
Weight
408 kg
Catalogue coverage
Variants represented
2
Richest spec table
44 rows
Recorded power
14 hp
Recorded weight
408 kg
Transmissions
8-speed gear
Production years
1973-1978
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
ManufacturerGravelyReference
Garden tractorReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
14HP Kohler 512cc 1-cyl gasolineReference
Fuel tank20.1 LReference
Kohler K321Reference
gasolineReference
1-cylinderReference
air-cooledReference
Displacement31.27 ciReference
Bore/Stroke83 x 89 mmReference
Power10.4 kWReference
Rated RPM3600Reference
StarterelectricReference
Starter volts12Reference
Sparkplug gap0.635 mmReference
Intake valve clearance0.229 mmReference
Exhaust valve clearance0.457 mmReference
Oil capacity2.4 LReference
Transmission
8-speed gearReference
Typeshaft-driven gearReference
Gears8 forward and 4 reverseReference
Oil capacity5.7 LReference
Oil typeSAE30Reference
Dimensions
Weight408 kgReference
Front tire16x6.50-8Reference
Rear tire23x8.50-12Reference
Lawn/turf front16x6.50-8Reference
Lawn/turf rear23x8.50-12Reference
Length191 cmReference
Width92 cmReference
Height109 cmReference
Shipping weight408 kgReference
Gravely 814 attachments
40" mid-mount mower deckReference
50" mid-mount mower deckReference
814 Serial Numbers
Location:In front of, and below, air cleaner.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Battery AH43Reference
Battery Group22FReference
Attachment overview
40" mid-mount mower deckReference
50" mid-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.
