The Ryobi OLM1836H takes the RYOBI 36cm lawn mower blade RAC4008 as its blade. Fitment confirmed against the manufacturer's compatibility list.
Your lawn mower
Ryobi OLM1836H
Lawn mower
Confirmed against Ryobi's listConfirmed against Ryobi's own compatibility list
Not yours? Change
Takes the RAC4008 blade
RYOBI 36cm lawn mower blade RAC4008 · check the code on your old part before ordering.
One 36 cm bar blade (RAC4008).
Your lawn mower
Lawn mower
Confirmed against Ryobi's listConfirmed against Ryobi's own compatibility list

Takes the RAC4008
Blade · check the code on your old part.
One 36 cm bar blade (RAC4008).
Other Ryobi lawn mowers and their blades and parts
The RAC4008 fits the OLM1836H only. These Ryobi models take a different blade:
GenuineGenuine Ryobi
See seller
Ryobi Australia · 28 OctRyobi Australia · checked 28 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Ryobi. Compatible: another brand.Genuine is made by Ryobi. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Compare 2 sellers
AUD, before delivery. Each price shows when it was checked.
How long it lasts
Replace it when it is bent, worn or damaged, Ryobi says; inspect it before each use, and sharpen or replace a dull blade.
After replacing: No reset needed.
How to change the blade in your Ryobi OLM1836H
Watch the guide or follow the steps.
- 1Take out the battery pack and remove the safety key. Wear heavy-duty gloves: the blade is sharp.
- 2Remove the grass catcher, tilt the mower on its side and clear grass and debris from the deck.
- 3Hold the blade with a piece of wood and undo the blade bolt; remove the old blade.
- 4Fit the new RAC4008 blade the same way round with its washer and bolt, and tighten it firmly with the wood holding the blade.
Every number this part goes by
- Retail name:
- RAC4008
Sellers list any of these; they are the same part.
About your Ryobi OLM1836H
Ryobi lawn mower — 18V ONE+ 36cm. Its blade is the RYOBI 36cm lawn mower blade RAC4008, part RAC4008.
Where the model number is: The model is on the label on the mower's deck or handle. Disconnect the spark plug lead, or take the battery or safety key out, before you tip the mower: the blade is sharp.
Fits this Ryobi model
Ryobi1 model
One 36 cm bar blade (RAC4008).
Common questions
- Which blade fits the Ryobi OLM1836H?
- The Ryobi OLM1836H takes the RYOBI 36cm lawn mower blade RAC4008. One 36 cm bar blade (RAC4008).
- Where can I buy the RAC4008 in Australia?
- We link to 2 Australian sellers for the RAC4008; the seller's page shows the current price.
- How do I fit the RAC4008 in a Ryobi OLM1836H?
- 4 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A blunt blade tears the grass tips, which then brown, and a bent blade makes the mower vibrate and wears the engine or motor.
- Is there anything to reset afterwards?
- No reset needed.
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