OrphanSpecStraight answers for orphaned outdoor equipment

Murray 425003X8A

Front Engine Lawn Tractor — service parts and specifications

Read this before you order anything. These figures are transcribed automatically from manufacturer manuals and can be wrong. Nothing here is a fitment guarantee or professional advice.

Provided free, as is, with no warranty and no liability accepted — you use it at your own risk and on your own responsibility. Check every number against the plate on your own machine before you buy or fit a part.

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Reference data — no warranty, no fitment guarantee, used at your own risk. Disclaimer

Engine oil
10W-30 (summer) p.3
Blade
92466 p.45
Tire pressure
14 p.10, 13

Transcribed from the manufacturer manual — not a fitment guarantee. Manufacturers supersede part numbers during a production run: check these against the plate on your own machine before ordering.

What these parts do

Engine oil — Grade depends on operating temperature, not on the machine. Several grades listed below are all correct — pick by season.

Blade — Sharpen or replace at the start of each season. Always balance a sharpened blade before refitting.

All values found, with sources

ItemValueContextPage
Engine oil10W-30… unleaded gasoline. • Service the air cleaner regularly. • Change oil regularly. Use 10W-30 oil in summer. • Tune-up the engine regularly. • Keep …3
Blade92466… Bolt, Carriage 2x53 Mandrell Housing 92574 Bracket, Suspension 94058E700 Adapter, Blade 92466 Blade 95100E701 Washer 17x166 Washer 17x165 Nut …45
Tire pressure14… will keep the mower housing from cutting level. The correct air pressure (PSI) is 14 PSI (1 BAR). The tires were over inflated for shipment. CHECK …10

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