Attachments for the Hyundai HX400 weight range
Weight Class: Heavy Excavator (30–65 t) Operating Weight: 40,360 kg
- Bucket line
- DB - heavy duty digging bucket 1,400–1,400 mm wide
- 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.
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.
Ask for a price with this answer
The short version for the HX400
Families to look at first
Quick coupler brackets at this weight
- S90
- CW55
- OQ90
- SW66
Brackets we build attachments with in this weight range. Not a confirmed fit.
Still to check
Pin diameter, pin spacing, inside width between the stick ears, and any quick coupler on the machine.
Catalogue sizes for the HX400
Each size below has a catalogue row rated for a carrier of 40,360 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 HX400.
On a narrow screen the table scrolls sideways.
Buckets
| Attachment | Sizes | Heaped capacity ISO 7451 [dm³] | Width [mm] | Weight [kg] |
|---|---|---|---|---|
Digging & sorting buckets | ||||
| DB - heavy duty digging bucket | DB-500 | 1,988 | 1,400 | 1,515 |
| SDB - heavy duty skeleton DB bucket | SDB-500 · 2 width variants | 2,622–3,000 | 1,800–2,000 | 1,995–2,172 |
| DBF - flat-top digging bucket for quick coupler Start here Price & lead time Get price & lead time | DBF-500 | 1,897 | 1,400 | 1,470 |
| RDBF - flat-top skeleton DBF bucket on rods | RDBF-500 · 3 width variants | 2,241–2,999 | 1,600–2,000 | 1,511–1,755 |
Tools
| Attachment | Sizes | Heaped capacity ISO 7451 [dm³] | Width [mm] | Weight [kg] |
|---|---|---|---|---|
Non-bucket attachments | ||||
| RIP - heavy duty ripper | Ripper-H | 684 | ||
Quick couplers
Coupler sizes within this machine's published weight range. Not a confirmed fit.
| Attachment | Sizes | Heaped capacity ISO 7451 [dm³] | Width [mm] | Weight [kg] |
|---|---|---|---|---|
| QC-S - S-System Scandinavian quick-coupler Start here Price & lead time Get price & lead time S-System (Scandinavian) | QC-S90 | 750 | ||
| CW - CW-System compatible quick-coupler CW-System | CW-45, CW-45 S, CW-55, CW-U-45, CW-U-45 S | 435–1,146 |
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 quick coupler and hydraulic attachment. See the certificates.
Message us on WhatsApp Photos and voice notes are welcome.Before you order: check the interface
The weight class of the Hyundai HX400 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 Hyundai HX400 at its weight are built with these brackets. Each code opens the models that list it.
Brackets we build attachments with in this weight range. Not a confirmed fit.
- Measure the diameter of both bucket pins.
- Measure the distance between the pin centres.
- Measure the inside width between the stick ears.
- 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 HX400.
Send this answer to a colleague or dealer
Hyundai HX400: DBF - flat-top digging bucket for quick coupler (DBF-500). Shortlisted by operating weight
Sizes are matched to the published operating weight of the HX400.
- Weight Class
- Heavy Excavator (30–65 t)
- Operating Weight
- 40,360 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 Hyundai, retrieved 2026-09-10. Source
Hyundai HX400: machine data
- Operating weight
- 40,360 kg
- Engine power
- 254 kW
- Maximum digging depth
- 8,110 mm
- Bucket breakout force
- 239 kN
- Tail swing radius
- 3,530 mm
- Quick coupler
- Quick coupler
- Auxiliary circuit flow
- 720 l/min
- Auxiliary circuit pressure
- 340 bar
- Main pump flow
- 720 l/min maker's document (na.hd-hyundaice.com)
- Bucket capacity
- 2.03 m³ maker's document (na.hd-hyundaice.com)
As published by Hyundai, retrieved 2026-09-18. Source
What the HX400 figures mean for its attachments
- Its auxiliary circuit is rated at 720 l/min and 340 bar. A breaker, auger, tilt rotator or other hydraulic tool states the oil flow it needs, so choose one whose range includes this figure.
- The main pump delivers up to 720 l/min. That is the pump output of the whole machine, not the flow an attachment gets.
- Hyundai lists this quick coupler for it: Quick Coupler. The bracket on every attachment has to match the coupler.
- It digs down to 8,110 mm. That is the deepest trench it can open.
- Hyundai lists a bucket capacity of 2.03 m³.
- Bucket breakout force is 239 kN. That is the force a bucket or ripper works with at the tooth.
- Its tail swing radius is 3,530 mm, which matters beside a wall or in a live traffic lane.
- Engine power is 254 kW.
Figures as published by Hyundai in its own documents.
How the HX400 compares with its neighbours
The nearest models by weight, with the difference to the HX400 in parentheses where both makers publish the figure.
| Model | Operating weight | Max dig depth | Main pump flow |
|---|---|---|---|
| HX400 | 40.36 t | 8,110 mm | 720 l/min |
| Hyundai HX380L | 38.92 t (-1.44 t) | 8,220 mm (+110) | 577.6 l/min (-142.4) |
| Hyundai HX430L | 44.12 t (+3.76 t) | 6,910 mm (-1,200) | 666 l/min (-54) |
| Hidromek HMK 390 LC HD | 40.4 t (+0.04 t) | 6,560 mm (-1,550) | 600 l/min (-120) |
Figures as each maker publishes them. A difference is shown only where both machines have a published value.
Other Hyundai models of a similar weight
Other makes of a similar weight
Operating weight within 2 t of the Hyundai HX400.
Other Hyundai 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 Hyundai HX400.
Questions about the HX400
- What bucket size fits the HX400?
- Hyundai lists a bucket capacity of 2.03 m³ for it.
- Which quick coupler is installed on your HX400?
- Hyundai names no coupler system for it, so we cannot know which coupler your machine carries until you tell us. The attachments we list for the HX400 are built with these brackets: S90, CW55, OQ90, SW66. Pick your coupler above or send us a photo of its nameplate, and we check the bracket before we quote.
- Can the HX400 run a hydraulic attachment?
- Yes, if the tool's rated range covers the auxiliary circuit: 720 l/min at 340 bar.
For publishers: cite or embed this table
Cite this table as https://sieruta.com/en/fit/hyundai/hyundai-hx400l, figures as of 2026-09-10.
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Do you sell Hyundai machines? Machine dealer supply
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.