Buckets · Mini excavator - skeleton
RGB - skeleton rod grading & sorting bucket
Standard
Compatible interfaces: S30 · S40 · S45 · S50 · S60 · MS03 · MS08 · MS10 · CW05 · CW10 · CW20 · OQ40 +9
- 1.8–16 tons
- On request
- Carriers: Mini, Midi, Standard
A skeleton bucket with a rod floor for separating soil from stones, rubble and roots. Fines fall through the bars while the oversize stays in the bucket, so material can be sorted, graded and reused without a separate screen on site.
Features
Base features:
- C45 steel round rods
- Side rod reinforcement
Optional features:
- Special shape HD Hardox® rods
- HB400 Hardox® Reversible Cutting Edge
- Hydraulic tilting version available
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 SAE [dm³] | Spacing [mm] | Tip radius [mm] | Quick coupler brackets | Weight [kg] |
|---|---|---|---|---|---|---|---|---|---|
| RGB-30 | 1.8–2.5 | 1200 | 313 | 440 | 118 | 45 | 329 | S30 · S40 · MS03 · M03 · HS02 CW05 · OQ40 | 77 |
| RGB-40 | 2.5–4.0 | 1400 | 376 | 525 | 200 | 50 | 397 | S40 · MS03 · M03 · HS03 · CW05 · OQ40 | 108 |
| RGB-60 | 4.0–6.0 | 1400 | 396 | 552 | 220 | 50 | 417 | S40 · MS03 · M03 · HS06 · CW10 · OQ40 | 120 |
| RGB-90 | 6.0–10 | 1800 | 427 | 593 | 340 | 50 | 451 | S45 · S50 · MS08 · M10 · HS06 · HS08 · CW10 · OQ45 | 183 |
| RGB-120 | 10–12 | 1800 | 478 | 662 | 415 | 50 | 505 | S45 · S50 · MS10 · M18 · HS08 · CW20 · OQ45 | 234 |
| RGB-160 | 12–16 | 2000 | 478 | 662 | 593 | 50 | 505 | S60 · MS10 · M18 · CW20 · OQ60 | 315 |
→ 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.
More from this family group
Standard
RGP - skeleton rod GP bucket
Parallel Hardox® rods in the universal GP profile let fine material fall through and keep the oversize in the bucket. Screening, loading and sorting happen in one movement.
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SGP - heavy duty skeleton GP bucket
Built on the GP bucket, with a bottom of S355 steel ribs instead of a closed plate. Fine soil and water fall through, and stones, roots and rubble stay in the bucket.
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GPO - GP bucket with perforated bottom
Holes cut in the bottom let soil fall through while stones stay in the bucket. A mini or midi excavator sorts stone from soil as it digs.
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RGPL - skeleton rod GPL bucket
Built on the GPL bucket, with a bent top section for digging and a recessed bracket as an option. A mini-excavator separates material and cleans up with it.
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GPLO - GPL bucket with perforated bottom
The bottom plate has holes cut in it, so fine soil, sand and water fall through while stones and roots stay in. You dig and screen in the same pass.
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Standard
SGPL - heavy duty skeleton GPL bucket for mini-excavator
Built on the GPL bucket, with S355 steel ribs in the bottom instead of a closed plate. A mini or midi excavator separates fine soil and water from stones, roots and rubble in the same pass.
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