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Operating-weight guide

Attachments for the Hidromek HMK 520 LC HD weight range

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  • Every offer names the dispatch week
  • If a bracket we made is wrong and does not fit your machine, we replace it.

How is the attachment mounted on this machine?

Tell us what is on the machine now. It narrows the sizes we show and goes with your enquiry. It does not confirm fit: we check the bracket before we send the quote.

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Catalogue sizes for the HMK 520 LC HD

Each size below has a catalogue row rated for a carrier of 53,800 kg operating weight. Tell us which sizes you want and we reply with an offer.

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

The attachments buyers in your market ask for first, sized for the HMK 520 LC HD.

On a narrow screen the table scrolls sideways.

Tools

AttachmentSizesHeaped capacity ISO 7451 [dm³]Width [mm]Weight [kg]

Non-bucket attachments

RIP - heavy duty ripperRipper-H684

Quick couplers

AttachmentSizesHeaped capacity ISO 7451 [dm³]Width [mm]Weight [kg]
QC-S - S-System Scandinavian quick-couplerStart herePrice & lead timeGet price & lead timeS-System (Scandinavian)QC-S90750
CW - CW-System compatible quick-couplerCW-SystemCW-55660
Price & lead timeGet 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 attachment. See the certificates.

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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
Drawing of a bracket with the pin diameter (1), the pin centre distance (2) and the ear width (3) marked

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 Hidromek HMK 520 LC HD 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.

Heavy excavators dig rock, load trucks and work in quarries, so wear decides the bucket as much as capacity does. Rock and reinforced buckets carry thicker wear steel, teeth and side cutters, and the bucket is sized to the trucks it loads and to the density of the material.DBS - engineered rock bucket for excavator

Quick coupler brackets at this weight

In our model tables, the attachments listed for the Hidromek HMK 520 LC HD 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:

Sizes are matched to the published operating weight of the HMK 520 LC HD.

Weight Class
Heavy Excavator (30–65 t)
Operating Weight
53,800 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 Hidromek, retrieved 2026-09-12. Source

We have no openly licensed photo of this machine. The drawing shows the type (excavator, Heavy 30–65 t), not this machine.

Hidromek HMK 520 LC HD: machine data

Operating weight
53,800 kg
Engine power
270 kW
Maximum digging depth
6,480 mm
Maximum dump height
7,980 mm
Bucket breakout force
259.9 kN
Arm crowd force
251.1 kN
Max reach
11,780 mmmaker's document (hidromek.com)
Arm length
2,600–3,300 mmmaker's document (hidromek.com)
Main pump flow
752 l/minmaker's document (hidromek.com)
Bucket capacity
3.2 m³maker's document (hidromek.com)
Transport width
2,990 mmmaker's document (hidromek.com)

As published by Hidromek, retrieved 2026-09-17. Source

What the HMK 520 LC HD figures mean for its attachments

  • The main pump delivers up to 752 l/min at 324 bar. That is the pump output of the whole machine, not the flow an attachment gets.
  • It digs down to 6,480 mm. That is the deepest trench it can open.
  • Its maximum reach is 11,780 mm.
  • It dumps at up to 7,980 mm, so a truck or skip side has to sit below that height.
  • Hidromek offers arms from 2,600 to 3,300 mm. A longer arm reaches further, a shorter one handles a heavier bucket.
  • Hidromek lists a bucket capacity of 3.2 m³.
  • Bucket breakout force is 259.9 kN and arm crowd force 251.1 kN. That is the force a bucket or ripper works with at the tooth.
  • For transport it measures 11,170 x 2,990 x 3,870 mm (length, width, height).
  • Engine power is 270 kW.

Figures as published by Hidromek in its own documents.

How the HMK 520 LC HD compares with its neighbours

The nearest models by weight, with the difference to the HMK 520 LC HD in parentheses where both makers publish the figure.

ModelOperating weightMax dig depthMain pump flow
HMK 520 LC HD53.8 t6,480 mm752 l/min
Hidromek HMK 520 LC LR54.9 t (+1.1 t)14,210 mm (+7,730)752 l/min
Hidromek HMK 500 R55.1 t (+1.3 t)3,280 mm (-3,200)692 l/min (-60)
Volvo EC550E53.74 t (-0.06 t)7,690 mm (+1,210)832 l/min (+80)

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

HMK 520 LC HD: build years and variants

Build years: 2023–2026

Variants

  • HMK 520 LC HD (2023–2026)

Years and variants as listed in the LECTURA Specs database.

Other Hidromek 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 Hidromek HMK 520 LC HD.

Questions about the HMK 520 LC HD

What bucket size fits the HMK 520 LC HD?
Hidromek lists a bucket capacity of 3.2 m³ for it.
For publishers: cite or embed this table

Cite this table as https://sieruta.com/en/fit/hidromek/hidromek-hmk-520-lc-hd, figures as of 2026-09-12.

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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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