Buckets · Mini excavator - digging
CB mini - hydraulic clamp bucket for mini-excavator
- For machines of 1.2–10 t
- Widths 550–800 mm
- Couplers: S-System · Lehnhoff MS · MARTIN M · Wacker Neuson HS · Verachtert CW · Klac · OilQuick OQ
- We usually reply within 1 working day
- We check the fit before we send the quote
- 12 months warranty on manufacturing defects in the components Sieruta makes itself
- Every offer names the dispatch week
- If a bracket we made is wrong and does not fit your machine, we replace it.
We quote ex works Ostrołęka, or delivered to your site on request. Every offer names the dispatch week.
Call +48 503 808 636 Message us on WhatsApp Photos and voice notes are welcome.

- CB mini
- For machines of 1.2–10 t
- Widths 550–800 mm
Models and specifications
Figures as printed on this family’s datasheet.
Datasheet (PDF)- Which bracket does your machine take? See the coupler fit reference
- Looking for your machine by make and model? See the machine fit tables
| Model | Machine class [t] | Width [mm] | Height [mm] | Length [mm] | Heaped capacity ISO 7451 [dm³] | Number of teeth | Tip radius [mm] | Tooth systems | Mounting adapter | Quick coupler brackets | D [mm] | E [mm] | Weight [kg] | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CBR-20 | 1.2–1.8 | 550 | 464 | 462 | 52 | 4 | 322 | E701, E11.7 | S30 | S30 · MS01 · M02 · HS02 · CW05 · Klac C | 478 | 350 | 65 | Price & lead time |
| CBR-30 | 1.8–2.5 | 600 | 448 | 557 | 83 | 4 | 416 | E11.4, V13 | S40 | S40 · MS03 · M03 · HS02 · CW05 · OQ40 · Klac C | 590 | 450 | 80 | Price & lead time |
| CBR-40 | 2.5–4.0 | 600 | 547 | 655 | 113 | 4 | 492 | E11.4, V13 | S40 | S40 · MS03 · M03 · HS03 · CW05 · OQ40 · Klac D | 792 | 500 | 107 | Price & lead time |
| CBR-60 | 4.0–6.0 | 600 | 593 | 796 | 156 | 4 | 654 | E11.4, V13 | S40 | S40 · MS03 · M03 · HS06 · CW10 · OQ40 · Klac E | 915 | 600 | 154 | Price & lead time |
| CBR-90 | 6.0–10 | 800 | 670 | 855 | 245 | 5 | 643 | E25, J200, V17 | S45 | S45 · S50 · MS08 · M10 · HS08 · CW10 · OQ45 · Klac F | 982 | 650 | 202 | Price & lead time |
→ Scroll the table sideways to see every model.
Features
- Digging bucket and clamp in one: load soil, then pick up what a bucket cannot hold
- S355JR2 steel on body
- HB500 cutting edge
- Double pilot check valve for work-holding: the load stays held if the pressure drops
Optional features:
- Exchangeable grip add-ons
- Skeleton version available
About this family
The Clamp Bucket digs and grips material on a mini-excavator
The Clamp Bucket is a hydraulic bucket for mini-excavators. It digs and can also grab and sort material and take on light demolition work.
The clamp runs off the machine’s auxiliary circuit. A double pilot check valve holds the load if hydraulic pressure drops.
The body is S355JR2 steel and the cutting edge is HB500. The grip add-ons are exchangeable, and a skeleton version is available for separating soil from stone.
Dimensions
Drawing dimensions: H height, L length, W width, as in the model table.
Dimensions in mm
Typical jobs
The Mini-Excavator Clamp Bucket is used for:
- Pipe and pole handling
- Loading, unloading and sorting rocks, pipes and debris
- General excavation with the clamp holding the load
- Urban construction projects with space constraints
- Landscaping work where material is set down in place
- Debris removal and sorting in compact areas
- Light demolition tasks and clearing brush
- Utility installations in residential areas
- Work in confined spaces
- Jobs where the machine digs and also handles material
The Clamp Bucket lets your mini-excavator dig, then grip and sort what it has loosened. Contact us and we will help you find the right fit for your machine.
Compliance, certification & documentation
- EN ISO 3834-2 Certified welding quality CSW/1293/2025
- EN 1090-1 EXC1 + EXC2 Factory production control 1433-CPR-0257
- EN ISO 9606-1 · WPQR EN ISO 15614 Qualified welders and procedures
- EN ISO 9712: VT + PT level 2 Non-destructive testing where the drawing or inspection plan requires it
- EN 10204 3.1 Material traceability
- CE: 2006/42/EC CE marking Transition to Regulation (EU) 2023/1230 underway. Applicable from 20 January 2027.
- Materials
- Standard: Body: S355JR2; Cutting edge: HB500
Warranty
12 months warranty on manufacturing defects in the components Sieruta makes itself.
Normal wear, misuse or overloading and unauthorised modifications are not covered. Warranty terms and claims
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
Request a quote
Tell us your machine and the job. An engineer checks the fit, and we usually reply within 1 working day.
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