Lawn Tractor · 1991Unverified
Honda H4518
Honda H4518 · 18 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
18 hp
Weight
303 kg
Hover a source tag to verify
Overview
ManufacturerHondaReference
Two-wheel driveReference
Open operator station.Reference
Engine
18HP Honda 634cc 2-cyl gasolineReference
Fuel tank9.0 LReference
Honda GX640Reference
gasolineReference
2-cylinderReference
liquid-cooled horizontal-shaftReference
Displacement38.7 ciReference
Bore/Stroke76 x 71 mmReference
Power13.4 kWReference
StarterelectricReference
Starter volts12Reference
Coolant capacity2.7 LReference
SparkplugBPR5ES-11Reference
SparkplugRN12YCReference
Sparkplug gap1.016 mmReference
Oil capacity2.0 LReference
Image courtesy of Sorin LungociReference
Transmission
hydrostaticReference
Typeshaft-driven hydrostaticReference
Gearsinfinite forward and reverseReference
Single control lever with stop for mowing range and transport range.Reference
Image courtesy of Sorin LungociReference
Dimensions
Wheelbase119 cmReference
Weight303 kgReference
Front tire15x6.00-6Reference
Rear tire20.5x8.5-10Reference
Lawn/turf front15x6.00-6Reference
Lawn/turf rear20.5x8.5-10Reference
Length181 cmReference
Width127 cmReference
Height105 cmReference
Honda H4518 attachments
38" mid-mount mower deckReference
42" mid-mount mower deckReference
46" mid-mount mower deckReference
Electrical
GroundnegativeReference
Battery volts12Reference
Battery AH30Reference
Attachment overview
38" mid-mount mower deckReference
42" mid-mount mower deckReference
46" 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.