Buckets · Grading and ditching buckets
SB - Dutch profile grading & ditching bucket
- For machines of 12–40 t
- Widths 1500–2500 mm
- Couplers: Verachtert CW · Liebherr SW
- 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.
Call +48 503 808 636Message us on WhatsAppPhotos and voice notes are welcome.

Models and specifications
Figures as printed on this family’s datasheet. A dash means the datasheet does not state that figure.
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
Column heads: model and Machine class [t] · each cell: Heaped capacity ISO 7451 [dm³] / Weight [kg]
| Width [mm] | SB-16012–16 | SB-19016–19 | SB-23019–23 | SB-26023–26 | SB-30026–30 | SB-40030–40 | |
|---|---|---|---|---|---|---|---|
| 1,500 | 583 / 357 | Price & lead time | |||||
| 1,600 | 628 / 376 | 731 / 394 | 820 / 479 | Price & lead time | |||
| 1,800 | 717 / 414 | 836 / 434 | 938 / 527 | 1,077 / 553 | 1,346 / 773 | Price & lead time | |
| 2,000 | 807 / 453 | 940 / 474 | 1,057 / 574 | 1,214 / 602 | 1,520 / 840 | 1,739 / 889 | Price & lead time |
| 2,200 | 1,045 / 513 | 1,176 / 622 | 1,351 / 652 | 1,695 / 908 | 1,940 / 960 | Price & lead time | |
| 2,400 | 1,489 / 701 | 1,870 / 976 | 2,141 / 1,030 | Price & lead time | |||
| 2,500 | 1,957 / 1,009 | 2,242 / 1,065 | Price & lead time | ||||
| Price & lead time | Price & lead time | Price & lead time | Price & lead time | Price & lead time | Price & lead time | ||
| Height [mm] | 710 | 764 | 826 | 875 | 1,000 | 1,063 | |
| Length [mm] | 842 | 894 | 965 | 1,030 | 1,149 | 1,232 | |
| Tip radius [mm] | 830 | 900 | 957 | 1,030 | 1,155 | 1,237 | |
| Quick coupler brackets | CW20 · SW33 | CW20 · CW30 · SW33 | CW30 · SW33 · SW48 | CW30 · CW40 · SW48 | CW40 · SW48 | CW45 · SW66 |
Standard
Known in the Netherlands as slotenbak
The whole range: Excavator buckets
Compatible interfaces: CW · SW
- 12–40 tons
- Carriers: Large, Heavy
SB is a grading and ditching bucket with a Dutch profile for excavators from 12 to 40 t. Its wider opening lets sticky soil fall out when the bucket is emptied, so it suits ditch cleaning and grading in clay.
Features
- Dutch Profile for Clay and Sticky Soil
- Profile for grading and ditching
- Steel build
- Back welded Cutting Edge - optional
- Horizontal wear bars - optional
- Rib - standard Back Cutting Edge, Horizontal wear bars - optional
- Reversible Bolt-on Cutting Edge - optional
From the catalogue
About this family
Dutch profile ditching and grading bucket: the wider opening lets sticky soil fall out.
Six sizes, SB-160 to SB-400, come in widths from 1500 to 2500 mm, with a capacity of 583 to 2242 litres and a weight of 357 to 1065 kg. The tip radius grows from 830 mm on the SB-160 to 1237 mm on the SB-400. The rib is standard. Options: a welded back cutting edge, horizontal wear bars and a reversible bolt-on cutting edge. Depending on the size, the listed couplers are CW20 to CW45, SW33, SW48 and SW66. Tell us the machine and we confirm the bucket size.
Dimensions
Dimensions in mm
Typical jobs
The SB Dutch profile ditching and grading bucket is used for:
- Grading and ditching projects in clay-heavy or sticky soil conditions
- Drainage, utility line, and irrigation ditching applications
- Road construction and maintenance projects encountering clay soils
- Landscaping work where a lot of material is moved
- Jobs where clay has to slide cleanly out of the bucket
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
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.
More from this family group
10–50 tonsStandard
DBF Flat-top digging bucket for quick coupler
The flat top suits excavators that change attachments on a quick coupler. It comes in Economy, Standard, Heavy Duty and Rock versions.
12–40 tonsStandard
GD Rigid grading & ditching bucket, 12–40 t
The rigid body has no tilt joint, so there are no hoses or cylinders to connect. It is used to grade surfaces and clean ditches.
10–40 tonsStandard
GDH Heavy duty hydraulic grading & ditching bucket
The hydraulic tilt grading bucket shapes slopes and levels uneven ground.
10–50 tons
StandardEarthmoving / heavy duty
DB Heavy duty digging bucket
A digging bucket for most materials, with a rock version for harder ground.
10–50 tonsStandard
SDB Heavy duty skeleton DB bucket
The SDB separates material as you dig: soil falls through the ribs while stone, rubble and roots stay in the bucket.
10–50 tonsStandard
RDBF Flat-top skeleton DBF bucket on rods
Interlocking steel rods replace the solid bottom, C45 as standard and Hardox® as an option. Soil sifts out from the rocks while you dig trenches, drains and pipe bedding.


