Buckets · Digging buckets
CB - heavy duty hydraulic clamp bucket
Standard
CB Hydraulic clamp / grab bucket
Compatible interfaces: S60 · S70 · MS10 · MS21 · CW20 · CW30 · CW40 · OQ60 · OQ65 · OQ70 · M18 · M26 +4
- 10–26 tons
- On request
- Carriers: Midi, Standard
The CB is a digging bucket with a hydraulic clamp arm on top. The bucket digs, the arm closes onto the load, and between them they pick up what a plain bucket drops: demolition rubble, stumps, pipes, awkward stone.
About this family
The CB hydraulic clamp bucket grabs, sorts and moves material. The double pilot check valve holds the load.
The CB hydraulic clamp bucket digs and can also grab, sort and carry material. It is used for laying pipes, moving tree trunks and handling large stones and debris.
A double pilot check valve holds the clamp shut if a hose fails, and the bucket carries the CE mark. Three sizes: CBR-120 for 10 to 12 t machines at 1000 mm wide, 430 dm3 and 355 kg;
CBR-190 for 12 to 19 t at 1200 mm, 803 dm3 and 631 kg; CBR-260 for 19 to 26 t at 1200 mm, 1071 dm3 and 1100 kg.
Arms are built in several shapes, and the brackets run from S60, MS10, CW20, OQ60, M18 and SW33 on the smallest to S70, MS21, CW40, OQ70, M26, S2 and SW48 on the largest.
Features
- Hydraulic Clamp: Holds the material while it is grabbed and moved.
- Grabbing, Sorting, Transporting: The clamp closes on the load, so the bucket can pick it up and move it.
- Multiple arm options for multiple applications
- Double Pilot Check Valve (Standard): Holds the clamp shut if a hose fails.
- Steel build
- Carries the CE marking
- Available teeth systems: CAT J series, BYG Futura, ESCO UltraLok
Dimensions
The letters on the drawing match the columns in the table below.
Dimensions in mm
Typical jobs
The CB Hydraulic Clamp Bucket is used for:
- Loading, unloading, and sorting various materials (rocks, pipes, debris, tree trunks, etc.)
- Landscaping work that needs precise material placement and transport
- Construction work where one attachment covers several tasks
- Work in confined spaces or on complex jobsites
- Material handling where the load must be held in the clamp
- Demolition projects requiring material sorting and handling
- Recycling operations for separating material
The CB Hydraulic Clamp Bucket lets your excavator dig, then pick up rubble, stumps, pipes and awkward stone. Contact us and we will show you what it can do for your work.
Models and specifications
Figures as printed on this family’s datasheet. A dash means the datasheet does not state that figure.
Datasheet (PDF)| Model | Machine class [t] | Width [mm] | Height [mm] | Length [mm] | Capacity [dm³] | Number of teeth | Tip radius [mm] | Quick coupler brackets | D [mm] | E [mm] | Weight [kg] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CBR-120 | 10–12 | 1000 | 843 | 1142 | 430 | 5 | 820 | S60 · MS10 · CW20 · OQ60 · M18 · SW33 | 750 | 1100 | 355 |
| CBR-190 | 12–19 | 1200 | 1010 | 1479 | 803 | 5 | 1127 | S70 · MS10 · CW30 · OQ65 · M18 · S1 · SW33 | 900 | 1400 | 631 |
| CBR-260 | 19–26 | 1200 | 1240 | 1597 | 1071 | 5 | 1143 | S70 · MS21 · CW40 · OQ70 · M26 · S2 · SW48 | 1100 | 1700 | 1100 |
→ Scroll the table sideways to see every model.
Compliance, certification & documentation
- EN ISO 3834-2Certified welding qualityCSW/1293/2025
- EN 1090-1 EXC1 + EXC2Factory production control1433-CPR-0257
- EN ISO 9606-1 · WPQR EN ISO 15614Qualified welders and procedures
- EN ISO 9712: VT + PT level 2Non-destructive testingwhere the drawing or inspection plan requires it
- EN 10204 3.1Material traceability
- CE: 2006/42/ECCE markingTransition to Regulation (EU) 2023/1230 underway. Applicable from 20 January 2027.
Warranty
Sieruta covers manufacturing defects in the components it makes itself.
Normal wear, misuse or overloading and unauthorised modifications are not covered. Warranty terms and claims
Request a quote
Tell us your machine and the job. An engineer checks the fit, and we usually reply within 24–48 hours.
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