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Operating-weight guide

Attachments for the Kubota U35-3α3 weight range

Bucket line
GP - general purpose digging bucket300–500 mm wide
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  • We check the fit before we send the quote
  • Every offer names the dispatch week
  • If a bracket we made is wrong and does not fit your machine, we replace it.

How is the attachment mounted on this machine?

Tell us what is on the machine now. It narrows the sizes we show and goes with your enquiry. It does not confirm fit: we check the bracket before we send the quote.

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Catalogue sizes for the U35-3α3

Each size below has a catalogue row rated for a carrier of 3,590 kg operating weight. Tell us which sizes you want and we reply with an offer.

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

The attachments buyers in your market ask for first, sized for the U35-3α3.

On a narrow screen the table scrolls sideways.

Buckets

AttachmentSizesHeaped capacity ISO 7451 [dm³]Width [mm]Weight [kg]

Standard mini-ex buckets set No. 1

GP - general purpose digging bucketStart herePrice & lead timeGet price & lead timeGP-40 · 3 width variants46–91300–50047–65
GB - rigid grading & ditching bucket, German profileStart herePrice & lead timeGet price & lead timeGB-40 · 3 width variants124–1761,000–1,40081–107
GBH - hydraulic tilt ditching bucket for mini-excavatorStart herePrice & lead timeGet price & lead timeGBH-40 · 4 width variants124–1901,000–1,500128–162
RGP - skeleton rod GP bucketRGP-40 · 2 width variants157–206800–1,00095–116
SGP - heavy duty skeleton GP bucketSGP-40 · 2 width variants106–128800–1,000105–129
GPO - GP bucket with perforated bottomGPO-40 · 2 width variants85–106600–80070–83

Standard mini-ex buckets set No. 2

GPL - general purpose digging bucketGPL-40 · 4 width variants43–103300–60035–56
GBP - rigid grading & ditching bucket, Italian profileGBP-40 · 3 width variants129–1871,000–1,40072–98
GBPH - hydraulic tilting grading & ditching bucketGBPH-40 · 3 width variants158–2011,200–1,500147–167
RGPL - skeleton rod GPL bucketRGPL-40 · 2 width variants145–186800–1,00066–81
GPLO - GPL bucket with perforated bottomGPLO-4010360056
SGPL - heavy duty skeleton GPL bucket for mini-excavatorSGPL-40 · 2 width variants145–186800–1,00073–87

Dutch mini-ex buckets set No. 3

BDP mini - clay digging bucket for mini-excavatorBDP-40 · 2 width variants27–40300–40050–60
SB mini - Dutch profile grading & ditching bucket for mini-excavatorSB-40 · 3 width variants149–1841,000–1,20093–109
PDP mini - skeleton BDP stone bucketPDP-40 · 4 width variants129–232600–1,00075–107

Nordic mini-ex buckets set No. 4

DS mini - Scandinavian deep digging bucket for mini-excavatorDS-50 · 2 width variants75–103400–50057–66
PS mini - Scandinavian universal grading bucket for mini-excavatorPS-60 · 3 width variants209–2541,200–1,400107–130
PSH mini - hydraulic swivelling grading bucket for mini-excavatorsPS-60 · 3 width variantsOn request1,200–1,400On request
KS mini - cable bucket for mini-excavatorKS-50 · 3 width variants53–107300–50048–65
KSV mini - Scandinavian profile cable V bucket for mini-excavatorKSV-50 · 3 width variants22–71100–30034–40

Special use mini-ex buckets

CB mini - hydraulic clamp bucket for mini-excavatorCBR-40113600107
GKB mini - deep cable digging bucket for mini-excavatorGKB-6015047
RGPR - skeleton rod bucketRGPR-401571,00094
RGB - skeleton rod grading & sorting bucketRGB-402001,400108

Tools

AttachmentSizesHeaped capacity ISO 7451 [dm³]Width [mm]Weight [kg]

Other mini-ex attachments

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

Non-bucket attachments

DuoRIP - double ripper for root extractionDuo-Ripper-6365102
GRB - excavator grading beamGRB-MINI · 4 variants, GRBH-MINI · 2 width variants1,000–1,50091–261

Also available

RC - root cutterRoot cutter-217013
RRB - root rake bucket profileRRB-401,200148

Quick couplers

AttachmentSizesHeaped capacity ISO 7451 [dm³]Width [mm]Weight [kg]
QC-S - S-System Scandinavian quick-couplerStart herePrice & lead timeGet price & lead timeS-System (Scandinavian)QC-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-SystemCW-10, CW-U-1065–179
QC-HS / QC-MS - MS-System compatible quick-couplerMS systemQC-HS-03, QC-MS-03, QC-U-HS-0330–90
QC-PG - pin-grabber quick-coupler for factory bracketsPin-grabberQC-ML-M-4032
Price & lead timeGet price & lead time

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 attachment. See the certificates.

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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
Drawing of a bracket with the pin diameter (1), the pin centre distance (2) and the ear width (3) marked

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.

Before you order: check the interface

The weight class of the Kubota U35-3α3 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 Kubota U35-3α3 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:

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 U35-3α3.

Machine

Kubota U35-3α3

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Machine, line and sizes

Kubota U35-3α3: GP - general purpose digging bucket (GP-40)

Kubota U35-3α3
Kubota U35-3α3Photo: Sebleouf, CC BY-SA 4.0, via Wikimedia Commons

Sizes are matched to the published operating weight of the U35-3α3.

Weight Class
Mini Excavator (1–6 t)
Operating Weight
3,590 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 Kubota, retrieved 2026-09-10. Source

Kubota U35-3α3: machine data

Operating weight
3,590 kg
Maximum digging depth
3,350 mm
Auxiliary circuit flow
55 l/min
Auxiliary circuit pressure
206 bar
Main pump flow
96.6 l/minmaker's document (ke.kubota-eu.com)
Bucket capacity
0.11 m³maker's document (ke.kubota-eu.com)
Bucket width
550–575 mmmaker's document (ke.kubota-eu.com)
Lift capacity
1,150 kgmaker's document (ke.kubota-eu.com)
Transport width
1,700 mmmaker's document (ke.kubota-eu.com)

As published by Kubota, retrieved 2026-09-19. Source

What the U35-3α3 figures mean for its attachments

  • Its auxiliary circuit is rated at 55 l/min and 206 bar. A breaker, auger, tilt rotator or other hydraulic tool states the oil flow it needs, so choose one whose range includes this figure.
  • The main pump delivers up to 96.6 l/min at 245 bar. That is the pump output of the whole machine, not the flow an attachment gets.
  • It digs down to 3,350 mm. That is the deepest trench it can open.
  • Kubota lists buckets from 550 to 575 mm wide for this machine.
  • Kubota lists a bucket capacity of 0.11 m³.
  • Kubota gives a lifting capacity of 1,150 kg. Check a heavy grab or hammer, plus its load, against the full load chart.
  • For transport it measures 4,865 x 1,700 x 2,440 mm (length, width, height).

Figures as published by Kubota in its own documents.

How the U35-3α3 compares with its neighbours

The nearest models by weight, with the difference to the U35-3α3 in parentheses where both makers publish the figure.

ModelOperating weightMax dig depthMain pump flowAuxiliary flow
U35-3α33.59 t3,350 mm96.6 l/min55 l/min
Kubota KX101-3α43.52 t (-0.07 t)3,300 mm (-50)96.6 l/min55 l/min
Kubota KX037-43.48 t (-0.11 t)3,410 mm (+60)81.4 l/min (-15.2)61.6 l/min (+6.6)
Yanmar ViO38-73.59 t3,375 mm (+25)75.8 l/min (-20.8)65.2 l/min (+10.2)

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

U35-3α3: build years and variants

Build years: 2011–2017

Variants

  • U35-3α3 (2011–2017)

Years and variants as listed in the LECTURA Specs database.

U35-3α3: what the brochure names

Features Kubota names in its own brochure for the U35-3α3. Some of them may be optional, so check the machine's spec before you order.

  • A load-sensing hydraulic system.
  • Two-speed travel.
  • A zero tail swing: the rear stays inside the tracks when the upper slews.
  • Operator protection certified to ROPS and FOPS.

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

Other makes of a similar weight

Operating weight within 2 t of the Kubota U35-3α3.

Other Kubota 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 Kubota U35-3α3.

Questions about the U35-3α3

What bucket width fits the U35-3α3?
Kubota lists buckets from 550 to 575 mm wide for it. Pick a width in that range.
Can the U35-3α3 run a hydraulic attachment?
Yes, if the tool's rated range covers the auxiliary circuit: 55 l/min at 206 bar.
For publishers: cite or embed this table

Cite this table as https://sieruta.com/en/fit/kubota/kubota-u35-3a3, figures as of 2026-09-10.

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