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À LA PELLE, the specialist in hydraulic excavator attachments Who is Arnaud Dufour
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Wear parts

Bucket wear parts

Technical line drawing of an earthmoving bucket seen from three quarters, drawn in outline on a neutral background: the row of teeth under the lip, the tooth holders that receive them, the blade bolted under the lip, and the protector added on the side. Four numbered markers point to these four parts, listed again in the caption below the image.
The four parts, on the bucket:
none of them holds it, all of them wear out in its place.
Technical line drawing — synthetic image.

Teeth, tooth holders, blades, side protectors.
They sacrifice themselves so that the bucket lasts:
that is their job, and that is why they are changed.

Other names for this part: bucket tooth, tooth holder, wear blade, wear strip, side protector, counter-blade, tooth adapter.

The essentials
Family
Wear parts
Classes or machines concerned
All of them, depending on the bucket
Fitting
As an original-equipment replacement (bucket part)
Power source
None

All wear parts →

01 Use

What it is for

On the left, new teeth, tooth holders, blade and side protectors, which wear in place of the bucket. On the right, with the teeth worn down to the tooth holders and the blade worn through, the bucket is eaten into. Computer-generated image.
new teeth, tooth holders, blade and side protectors, which wear in place of the bucket with the teeth worn down to the tooth holders and the blade worn through, the bucket is eaten into
Left: new teeth, tooth holders, blade and side protectors, which wear in place of the bucket.
Right: with the teeth worn down to the tooth holders and the blade worn through, the bucket is eaten into.
What sets them apart:
none of them holds the bucket — all of them wear out in its place, and are changed without it.
Computer-generated image.
Cutting edge of a bucket carrying three fitted teeth, their fixings passing through the blade, on a worksite
The teeth on the cutting edge:
they wear out in place of the bucket, and that is why they are changed.
Illustration based on an existing product.
A wear blade bolted under the lip of a bucket, with its row of six countersunk bolts sunk into the thickness of the blade.
The heads are countersunk, and that is not for looks:
a head that stands proud is torn off on the first pass.
Synthetic image.
A gloved hand drives a pin punch horizontally into the cross hole of a tooth holder; the pin comes out on the other side of the part.
The pin is driven out sideways, never from above:
it is the hole that goes through the tooth that gives the direction.
Synthetic image.

A tooth attacks, a holder holds it, a blade protects the lip, a side protector guards the sides.
All of them are replaced without touching the body of the bucket, and that is the whole point.

The fixing system counts as much as the tooth:
clip, pin, or locking type.
A system that comes apart on site saves more time than a tooth that lasts 10% longer.

A tooth left to wear down to the holder costs three times its price: it is no longer the tooth that is replaced, it is the adapter, and that has to be welded.
The rule is to change before the sacrificial part disappears.

02 Key technical data

On which machine?

On a machine from 1,6 to 10 t: parts from 1 to 12 kg.
They fit on the bucket, replacing the original parts.

What the tool does

The counter-blades have a hardness of 250 or 400 HB.
Depending on the model, they are made of wear-resistant steel.
Some have bolt-on teeth, replaceable without welding, or reversible blades and cutting edges, to be checked with you.

What is needed on the hydraulic side

They need no hydraulic connection.

Figures taken from 42 models on the market.
Your study sets the exact value for your machine.

How to read these values →

03 Your study

Have your machine checked.

Tell us the fixing system read on your tooth holder, and what you dig most often.
A photograph of the tooth in place is enough to identify it.

What we need to answer you
  • Your machine Its exact make and model.
  • What is fitted What equips the machine today.
  • The work What the machine is used for.

Without these details, the study still begins: we will ask you for them.

Book an appointment with the specialist

Or call 01 84 16 55 49 · our lines are open 7 days a week, from 7h to 22h.

Written study within 3 working days, once the file is complete.

04 Choice

What determines the choice

  • 01 — The tooth fixing system It belongs to the holder already fitted.
    Record the system before comparing teeth with one another.
  • 02 — The profile of the tooth Standard, penetration, rock, long:
    the profile is chosen on the ground, as for a striking tool.
  • 03 — The material Manganese steel, alloys, carbide hardfacing:
    harder means longer in abrasive ground, more brittle under impact.
  • 04 — Availability A tooth is a consumable.
    A model you cannot get within 48 hours is a bad model, even if it lasts longer.
05 Check

What is checked before ordering

  • Record the fixing system and the mark stamped on the tooth holder — that is what governs, not the size of the bucket.
  • Count the positions:
    corner teeth and centre teeth are not always identical.
  • Look at the condition of the tooth holders before ordering teeth.
    A worn holder no longer holds a new tooth.
  • Check the side blades:
    they wear more slowly but replacing them calls for a welding set.
To go further
A question about an attachment? 01 84 16 55 49 Send my photos