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Operating-weight guide

Attachments for the Kobelco SK28SR-6 weight range

Bucket line
GP - general purpose digging bucket300–800 mm wide
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Catalogue sizes for the SK28SR-6

Each size below has a catalogue row rated for a carrier of 2,800 – 2,950 kg operating weight. Tell us which sizes you want and we reply with an offer.

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AttachmentSizesCapacity [dm³]Width [mm]Weight [kg]
GP - general purpose digging bucketGP-40 · 5 width variants46–159 SAE300–80047–93
GB - rigid grading & ditching bucket, German profileGB-40 · 3 width variants124–176 SAE1,000–1,40081–107
GBH - hydraulic tilt ditching bucket for mini-excavatorGBH-40 · 4 width variants124–190 SAE1,000–1,500128–162
RGP - skeleton rod GP bucketRGP-40 · 2 width variants157–206 SAE800–1,00095–116
SGP - heavy duty skeleton GP bucketSGP-40 · 2 width variants106–128 SAE800–1,000105–129
GPO - GP bucket with perforated bottomGPO-40 · 3 width variants85–128 SAE600–1,00070–99
GPL - general purpose digging bucketGPL-40 · 5 width variants43–145 SAE300–80035–71
GBP - rigid grading & ditching bucket, Italian profileGBP-40 · 3 width variants129–187 SAE1,000–1,40072–98
GBPH - hydraulic tilting grading & ditching bucketGBPH-40 · 3 width variants158–201 SAE1,200–1,500147–167
RGPL - skeleton rod GPL bucketRGPL-40 · 2 width variants145–186 SAE800–1,00066–81
GPLO - GPL bucket with perforated bottomGPLO-40 · 2 width variants103–145 SAE600–80056–71
SGPL - heavy duty skeleton GPL bucket for mini-excavatorSGPL-40 · 2 width variants145–186 SAE800–1,00073–87
BDP mini - clay digging bucket for mini-excavatorBDP-40 · 2 width variants27–40 SAE300–40050–60
SB mini - Dutch profile grading & ditching bucket for mini-excavatorSB-40 · 3 width variants149–184 SAE1,000–1,20093–109
PDP mini - skeleton BDP stone bucketPDP-40 · 4 width variants129–232 SAE600–1,00075–107
DS mini - Scandinavian deep digging bucket for mini-excavatorDS-50 · 3 width variants75–132 SAE400–60057–75
PS mini - Scandinavian universal grading bucket for mini-excavatorPS-60 · 3 width variants209–254 SAE1,200–1,400107–130
PSH mini - hydraulic swivelling grading bucket for mini-excavatorsPS-60 · 3 width variants1,200–1,400
KS mini - cable bucket for mini-excavatorKS-20 · 3 width variants19–50 SAE200–40020–34
KSV mini - Scandinavian profile cable V bucket for mini-excavatorKSV-20 · 3 width variants17–57 SAE100–30023–40
CB mini - hydraulic clamp bucket for mini-excavatorCBR-40113 SAE600107
GKB mini - deep cable digging bucket for mini-excavatorGKB-3015037
RGPR - skeleton rod bucketRGPR-40157 SAE1,00094
RGB - skeleton rod grading & sorting bucketRGB-40200 SAE1,400108
LR mini - straight land rakes for mini-excavatorLR-4 · 2 width variants1,000–1,200127–150
LRS - short land rakes for mini-excavatorsLRS-51,560130
RIP mini - ripper shank for mini-excavatorRipper-5.551
MR mini - multi-ripper for mini-excavatorMRF 40 · 2 width variants600–80062–69
AC mini - asphalt cutter for mini-excavatorAC-643
GRB light - mini-excavator grading beam with lowered massGRB-MIKRO · 3 width variants, GRBH-MIKRO · 3 width variants1,500–2,00086–141
DuoRIP - double ripper for root extractionDuo-Ripper-6365102
GRB - excavator grading beamGRB-MINI · 4 variants, GRBH-MINI · 2 width variants1,000–1,50091–261
RC - root cutterRoot cutter-217013
RRB - root rake bucket profileRRB-401,200148
QC-S - S-System Scandinavian quick-couplerQC-S40-H, QC-S40-H/240, QC-S40-SA, QC-S40-SA/240, QC-U-S40-H, QC-U-S40-H/24030–92
CW - CW-System compatible quick-couplerCW-05, CW-U-0525–67
QC-HS / QC-MS - MS-System compatible quick-couplerQC-HS-03, QC-MS-03, QC-U-HS-0330–90
QC-PG - pin-grabber quick-coupler for factory bracketsQC-ML-M-3522
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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 product that carries the CE mark.

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Sizes are matched to the published operating weight of the SK28SR-6.

Weight Class
Mini Excavator (1–6 t)
Operating Weight
2,800 – 2,950 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 Kobelco, retrieved 2026-09-10. Source

No open-licence photo of this machine exists. The drawing shows the type (excavator, Mini 1–6 t), not this machine.

Which coupler is on your machine?

Pick the system on your machine and we put it in your enquiry. We check the bracket before we send the quote.

How to measure your coupler
213

Not sure which system it is? Three measurements tell us which bracket you need.

  1. Measure the diameter of both pins.
  2. Measure the distance between the pin centres.
  3. Measure the width between the inside faces of the ears.

If the coupler has a make or type printed on it, send that too.

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 SK28SR-6.

Machine

Kobelco SK28SR-6

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Machine, line and sizes

Kobelco SK28SR-6: GP - general purpose digging bucket (GP-40)

SK28SR-6 at a glance

FigureValueSource
Max dig depth2,590 mmmaker's website (kobelco-europe.com)
Max reach4,680 mmmaker's document (kobelco-europe.com)
Max dump height3,090 mmmaker's website (kobelco-europe.com)
Arm length1,180 mmmaker's document (kobelco-europe.com)
Main pump flow57.6 l/minmaker's document (kobelco-europe.com)
Bucket capacity0.08 m³maker's document (kobelco-europe.com)
Bucket width500 mmmaker's document (kobelco-europe.com)

Only figures the maker publishes for this model. Where a figure is missing, no value is shown.

What the SK28SR-6 figures mean for its attachments

  • The main pump delivers up to 57.6 l/min at 230 bar. That is the pump output of the whole machine, not the flow an attachment gets.
  • It digs down to 2,590 mm. That is the deepest trench it can open.
  • Its maximum reach is 4,680 mm.
  • It dumps at up to 3,090 mm, so a truck or skip side has to sit below that height.
  • Its arm is 1,180 mm long.
  • Kobelco lists a 500 mm wide bucket for this machine. Compare that with the bucket widths in the table above.
  • Kobelco lists a bucket capacity of 0.08 m³.
  • Bucket breakout force is 24.7 kN and arm crowd force 16.6 kN. That is the force a bucket or ripper works with at the tooth.
  • Its tail swing radius is 775 mm, which matters beside a wall or in a live traffic lane.
  • Engine power is 17.1 kW.

Figures as published by Kobelco in its own documents.

How the SK28SR-6 compares with its neighbours

The nearest models by weight, with the difference to the SK28SR-6 in parentheses where both makers publish the figure.

ModelOperating weightMax dig depthMain pump flow
SK28SR-62.8 t2,590 mm57.6 l/min
Kobelco SK26SR-72.71 t (-0.09 t)2,540 mm (-50)57.6 l/min
Kobelco SK28SR-73.02 t (+0.22 t)2,590 mm57.6 l/min
Kubota KX71-32.79 t (-0.01 t)2,870 mm (+280)not published

Figures as each maker publishes them. A difference is shown only where both machines have a published value.

SK28SR-6: build years and variants

Build years: 2016–2018

Variants

  • SK 28 SR 6 (2016–2018)

Years and variants as listed in the LECTURA Specs database.

SK28SR-6: what the brochure names

Features Kobelco names in its own brochure for the SK28SR-6. Some of them may be optional, so check the machine's spec before you order.

  • A short tail swing, for work next to walls and traffic.
  • A dozer blade.

From Kobelco's published brochure. We keep the source document on file.

Questions about the SK28SR-6

What bucket width fits the SK28SR-6?
Kobelco lists a 500 mm wide bucket for it. Compare that with the sizes above.

Each family shows its candidate models by operating-weight range.

Bucket sets for this machine

Sets of one bucket profile that include buckets listed for the Kobelco SK28SR-6. Each set lists the buckets that match the machine's operating weight.

Kobelco SK28SR-6: machine data

Operating weight
2,800 – 2,950 kg
Engine power
17.1 kW
Maximum digging depth
2,590 mm
Maximum dump height
3,090 mm
Bucket breakout force
24.7 kN
Arm crowd force
16.6 kN
Tail swing radius
775 mm

As published by Kobelco, retrieved 2026-09-18. Source

Before you order: check the interface

The weight class of the Kobelco SK28SR-6 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.

On a mini excavator the weight of the attachment counts for more than on a larger machine, because every kilogram of bucket is taken from lift capacity and stability. A narrow trenching bucket and a wide grading bucket are the usual pair, and many machines run a small quick coupler to change between them.

Quick coupler brackets at this weight

In our model tables, the attachments listed for the Kobelco SK28SR-6 at its weight are built with these brackets. Each code opens the models that list it.

  1. Measure the diameter of both bucket pins.
  2. Measure the distance between the pin centres.
  3. Measure the inside width between the stick ears.
  4. If the machine runs a quick coupler, note its make and type.

What these terms mean:

How to choose an attachment for the job:

Other makes of a similar weight

Operating weight within 2 t of the Kobelco SK28SR-6.

Other Kobelco 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 Kobelco SK28SR-6.

Get a price Custom Engineering

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 product that carries the CE mark.

Do you sell Kobelco 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.

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