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Operating-weight guide

Attachments for the Komatsu PC20R-5 weight range

Bucket line
GP - general purpose digging bucket300–600 mm wide
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Catalogue sizes for the PC20R-5

Each size below has a catalogue row rated for a carrier of 1,985 – 2,040 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-30 · 4 width variants36–88 SAE300–60033–55
GB - rigid grading & ditching bucket, German profileGB-30 · 2 width variants93–114 SAE1,000–1,20070–82
GBH - hydraulic tilt ditching bucket for mini-excavatorGBH-30 · 2 width variants93–114 SAE1,000–1,200101–113
RGP - skeleton rod GP bucketRGP-30 · 2 width variants87–123 SAE600–80058–73
SGP - heavy duty skeleton GP bucketSGP-30 · 2 width variants64–81 SAE600–80064–80
GPO - GP bucket with perforated bottomGPO-30 · 2 width variants64–81 SAE600–80052–64
GPL - general purpose digging bucketGPL-30 · 4 width variants33–79 SAE300–60026–43
GBP - rigid grading & ditching bucket, Italian profileGBP-30 · 2 width variants129–158 SAE1,000–1,20072–85
GBPH - hydraulic tilting grading & ditching bucketGBPH-30 · 3 width variants88–121 SAE900–1,20088–103
RGPL - skeleton rod GPL bucketRGPL-30 · 2 width variants79–110 SAE600–80044–55
GPLO - GPL bucket with perforated bottomGPLO-30 · 2 width variants79–110 SAE600–80043–55
SGPL - heavy duty skeleton GPL bucket for mini-excavatorSGPL-30 · 2 width variants79–110 SAE600–80048–62
BDP mini - clay digging bucket for mini-excavatorBDP-3016 SAE25030
SB mini - Dutch profile grading & ditching bucket for mini-excavatorSB-30 · 4 width variants97–131 SAE900–1,20065–85
PDP mini - skeleton BDP stone bucketPDP-30 · 3 width variants93–130 SAE600–80053–66
DS mini - Scandinavian deep digging bucket for mini-excavatorDS-30 · 3 width variants66–114 SAE400–60044–60
PS mini - Scandinavian universal grading bucket for mini-excavatorPS-25 · 3 width variants112–140 SAE1,000–1,20064–77
PSH mini - hydraulic swivelling grading bucket for mini-excavatorsPS-25 · 3 width variants1,000–1,200
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-3083 SAE60080
GKB mini - deep cable digging bucket for mini-excavatorGKB-3015037
RGPR - skeleton rod bucketRGPR-30109 SAE80063
RGB - skeleton rod grading & sorting bucketRGB-30118 SAE1,20077
LR mini - straight land rakes for mini-excavatorLR-3 · 2 width variants1,000–1,20085–100
LRS - short land rakes for mini-excavatorsLRS-392570
RIP mini - ripper shank for mini-excavatorRipper-2.521
MR mini - multi-ripper for mini-excavatorMRF 2540036
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
RC - root cutterRoot cutter-217013
RRB - root rake bucket profileRRB-20, RRB-40900–1,20080–148
QC-S - S-System Scandinavian quick-couplerQC-S30-H/150, QC-S30-H/180, QC-S40-H, QC-S40-H/240, QC-S30-SA/150, QC-S30-SA/180, QC-S40-SA, QC-S40-SA/240, QC-U-S30-H/150, QC-U-S30-H/180, QC-U-S40-H, QC-U-S40-H/24015–92
CW - CW-System compatible quick-couplerCW-05, CW-U-0525–67
QC-HS / QC-MS - MS-System compatible quick-couplerQC-HS-01, QC-HS-03, QC-MS-01, QC-MS-03, QC-U-HS-01, QC-U-HS-0320–90
QC-PG - pin-grabber quick-coupler for factory bracketsQC-ML-M-30, QC-ML-M-3514–22
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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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Komatsu PC20
Komatsu PC20Photo: Judgefloro, CC0, via Wikimedia Commons

Sizes are matched to the published operating weight of the PC20R-5.

Weight Class
Mini Excavator (1–6 t)
Operating Weight
1,985 – 2,040 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 Komatsu, retrieved 2026-09-10. Source

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 PC20R-5.

Machine

Komatsu PC20R-5

We usually reply within 1 working day.

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Machine, line and sizes

Komatsu PC20R-5: GP - general purpose digging bucket (GP-30)

PC20R-5 at a glance

FigureValueSource
Max dig depth2,370 mmmaker's document (komatsu.eu)
Max reach4,030 mmmaker's document (komatsu.eu)
Max dump height2,760 mmmaker's document (komatsu.eu)
Arm length965–1,215 mmmaker's document (komatsu.eu)
Main pump flow36 l/minmaker's document (komatsu.eu)
Bucket capacity0.02–0.03 m³maker's document (komatsu.eu)
Bucket width250–450 mmmaker's document (komatsu.eu)
Lift capacity610 kgmaker's document (komatsu.eu)
Quick couplerLehnhoff quick-couplersmaker's document (komatsu.eu)

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

What the PC20R-5 figures mean for its attachments

Figures as published by Komatsu in its own documents.

How the PC20R-5 compares with its neighbours

The nearest models by weight, with the difference to the PC20R-5 in parentheses where both makers publish the figure.

ModelOperating weightMax dig depthMain pump flow
PC20R-51.985 t2,370 mm36 l/min
Komatsu PC18MR-51.9 t (-0.085 t)2,360 mm (-10)41.2 l/min (+5.2)
Komatsu PC18MR-31.84 t (-0.145 t)2,410 mm (+40)40.8 l/min (+4.8)
Hitachi ZX19-61.98 t (-0.005 t)2,380 mm (+10)38.4 l/min (+2.4)

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

PC20R-5: what the brochure names

Features Komatsu names in its own brochure for the PC20R-5. Some of them may be optional, so check the machine's spec before you order.

  • An engine that meets EU Stage V.
  • A load-sensing hydraulic system.
  • Proportional control of the auxiliary hydraulics, for tilt buckets, augers and breakers.
  • Boom swing, for digging along walls and around obstacles.

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

Questions about the PC20R-5

What bucket width fits the PC20R-5?
Komatsu lists buckets from 250 to 450 mm wide for it. Pick a width in that range from the sizes above.
Which quick coupler is installed on your PC20R-5?
Komatsu lists this coupler for it: Lehnhoff quick-couplers. Order attachments with the matching bracket.

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 Komatsu PC20R-5. Each set lists the buckets that match the machine's operating weight.

Komatsu PC20R-5: machine data

Operating weight
1,985 – 2,040 kg
Engine power
11.8 kW
Maximum digging depth
2,370 mm
Maximum dump height
2,760 mm
Quick coupler
Lehnhoff quick-couplers

As published by Komatsu, retrieved 2026-09-17. Source

Before you order: check the interface

The weight class of the Komatsu PC20R-5 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 Komatsu PC20R-5 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 Komatsu PC20R-5.

Other Komatsu 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 Komatsu PC20R-5.

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 Komatsu 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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