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Operating-weight guide

Buckets and attachments for the MST 544S

Bucket line
GP - general purpose digging bucket300–1000 mm wide
Price & lead time
  • We usually reply within 1 working day
  • We check the fit before we send the quote
  • Every offer names the dispatch week
  • If a bracket we made is wrong and does not fit your machine, we replace it.

Catalogue sizes for the 544S

Each size below has a catalogue row rated for an excavator of about 9.3 t. That is the class a backhoe loader of this weight usually matches. Tell us which sizes you want and we reply with an offer.

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AttachmentSizesCapacity [dm³]Width [mm]Weight [kg]
GRB - excavator grading beamGRB-MINI · 4 variants, GRBH-MINI · 2 width variants, GRB midi · 6 variants1,000–2,50091–530
GP - general purpose digging bucketGP-95 · 6 width variants100–377 SAE300–1,00086–160
GBH - hydraulic tilt ditching bucket for mini-excavatorGBH-90 · 3 width variants275–334 SAE1,500–1,800267–297
GPO - GP bucket with perforated bottomGPO-95 · 2 width variants154–183 SAE800–1,000130–148
GPL - general purpose digging bucketGPL-95 · 6 width variants82–367 SAE300–1,00076–172
GBP - rigid grading & ditching bucket, Italian profileGBP-95 · 3 width variants417–511 SAE1,500–1,800222–260
GBPH - hydraulic tilting grading & ditching bucketGBPH-95 · 3 width variants417–511 SAE1,500–1,800332–370
BDP mini - clay digging bucket for mini-excavatorBDP-90 · 2 width variants88–120 SAE400–500126–141
PDP mini - skeleton BDP stone bucketPDP-90 · 3 width variants344–546 SAE800–1,200163–209
RIP mini - ripper shank for mini-excavatorRipper-1098
AC mini - asphalt cutter for mini-excavatorAC-1067
Price & lead time

Welded to EN ISO 3834-2. Agree it as a standing term of supply and the EN 10204 3.1 certificate ships with every attachment. You also get the CE declaration of conformity for every product that carries the CE mark.

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The front end of this backhoe loader

Each family shows its candidate models by operating-weight range.

Bucket sets for this machine

Sets of one bucket profile that include buckets listed for the MST 544S. Each set lists the buckets that match the machine's operating weight.

Which coupler is on your machine?

Pick the system on your machine and we put it in your enquiry. We check the bracket before we send the quote.

How to measure your coupler
213

Not sure which system it is? Three measurements tell us which bracket you need.

  1. Measure the diameter of both pins.
  2. Measure the distance between the pin centres.
  3. Measure the width between the inside faces of the ears.

If the coupler has a make or type printed on it, send that too.

Before you order: check the interface

The weight class of the MST 544S sizes the attachment. It does not tell you the pin diameter, the pin spacing or the stick width, and those decide whether an attachment fits. Measure them on the machine, or send us the measurements of the bucket it runs today.

A backhoe loader digs at the rear and loads at the front, so the rear bucket is chosen for trenching and the loader bucket for moving material. The rear quick coupler, where the machine has one, sets the bracket every rear attachment needs; the pin and stick checks below still decide the fit.

Quick coupler brackets at this weight

In our model tables, the attachments listed for the MST 544S at its weight are built with these brackets. Each code opens the models that list it.

  1. Measure the diameter of both bucket pins.
  2. Measure the distance between the pin centres.
  3. Measure the inside width between the stick ears.
  4. If the machine runs a quick coupler, note its make and type.

What these terms mean:

How to choose an attachment for the job:

Send me the spec sheet for my machine

Pick a bucket line and we email you its spec sheet, with the sizes we build for the 544S.

Machine

MST 544S

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Machine, line and sizes

MST 544S: GP - general purpose digging bucket (GP-95)

Sizes are matched to the operating weight of the 544S, moved to the excavator class a backhoe loader of this weight usually digs like: about 9.3 t.

Weight Class
Midi (6–12 t)
Operating Weight
9,020 – 9,300 kg
  • Family-owned group, founded in 1996
  • More than 50,000 attachments delivered
  • Built in our own factory in Poland

Operating weight as published by MST, retrieved 2026-10-05. Source

No open-licence photo of this machine exists. The drawing shows the type (backhoe loader, Midi 6–12 t), not this machine.

544S at a glance

FigureValueSource
Loader end
Loader dump height2,810 mmmaker's document (mst-tr.com)

Only figures the maker publishes for this model. Where a figure is missing, no value is shown.

How the 544S compares with its neighbours

The nearest models by weight, with the difference to the 544S in parentheses where both makers publish the figure.

ModelOperating weight
544S9.02 t
MST 644S8.97 t (-0.05 t)
MST 642S8.785 t (-0.235 t)
JCB 5CX9.034 t (+0.014 t)

Figures as each maker publishes them. A difference is shown only where both machines have a published value.

Other MST models of a similar weight

More MST backhoe loaders

Other makes of a similar weight

Operating weight within 2 t of the MST 544S.

Other MST models with the same coupler brackets

Our model tables give these machines the same quick coupler brackets.

Why buy from the factory

  • Cutting, machining, welding and painting on one site, our own factory in Poland, EU
  • More than 50,000 attachments delivered since 2008
  • A record for every serial number, so the spare parts match your attachment

Need Custom Specifications?

We can manufacture attachments to your exact pin spacing and requirements for MST 544S.

For publishers: cite or embed this table

Cite this table as https://sieruta.com/en/fit/mst/mst-544s, figures as of 2026-10-05.

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Machine makes and model names belong to their owners. Sieruta is not affiliated with them. We use the names only to show which machines we offer attachments for, by operating weight.

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