Attachments for the Caterpillar 300.9D weight range
- Bucket line
- GP - general purpose digging bucket250–500 mm wide
- We usually reply within 1 working day
- 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.
Catalogue sizes for the 300.9D
Each size below has a catalogue row rated for a carrier of 940 kg operating weight. Tell us which sizes you want and we reply with an offer.
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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 300.9D.
- Weight Class
- 1t
- Operating Weight
- 940 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 Caterpillar, retrieved 2026-09-13. Source
Start here
The attachments buyers in your market ask for first, sized for the 300.9D.
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
Not sure which system it is? Three measurements tell us which bracket you need.
- Measure the diameter of both pins.
- Measure the distance between the pin centres.
- 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 300.9D.
Send this answer to a colleague or dealer
Caterpillar 300.9D: GP - general purpose digging bucket (GP-10)
300.9D at a glance
| Figure | Value | Source |
|---|---|---|
| Max dig depth | 1,731 mm | maker's document (s7d2.scene7.com) |
| Max reach | 3,023 mm | maker's document (s7d2.scene7.com) |
| Max dump height | 2,035 mm | maker's document (s7d2.scene7.com) |
| Arm length | 890 mm | maker's document (s7d2.scene7.com) |
| Bucket width | 250–700 mm | maker's document (s7d2.scene7.com) |
| Transport width | 730 mm | maker's document (s7d2.scene7.com) |
Only figures the maker publishes for this model. Where a figure is missing, no value is shown.
What the 300.9D figures mean for its attachments
- It digs down to 1,731 mm. That is the deepest trench it can open.
- Its maximum reach is 3,023 mm.
- It dumps at up to 2,035 mm, so a truck or skip side has to sit below that height.
- Its arm is 890 mm long.
- Caterpillar lists buckets from 250 to 700 mm wide for this machine. Compare that with the bucket widths in the table above.Our sizes in that range: GP - general purpose digging bucket (GP-10); GB - rigid grading & ditching bucket, German profile (GB-10); GPL - general purpose digging bucket (GPL-10); GBP - rigid grading & ditching bucket, Italian profile (GBP-10); SB mini - Dutch profile grading & ditching bucket for mini-excavator (SB-10); PDP mini - skeleton BDP stone bucket (PDP-10); DS mini - Scandinavian deep digging bucket for mini-excavator (DS-20); KS mini - cable bucket for mini-excavator (KS-20); KSV mini - Scandinavian profile cable V bucket for mini-excavator (KSV-20)
- For transport it measures 2,746 x 730 x 1,507 mm (length, width, height).
Figures as published by Caterpillar in its own documents.
How the 300.9D compares with its neighbours
The nearest models by weight, with the difference to the 300.9D in parentheses where both makers publish the figure.
| Model | Operating weight | Max dig depth |
|---|---|---|
| 300.9D | 0.94 t | 1,731 mm |
| JCB 8008 CTS | 0.95 t (+0.01 t) | 1,690 mm (-41) |
Figures as each maker publishes them. A difference is shown only where both machines have a published value.
300.9D: build years and variants
Build years: 2011–2026
Variants
- 300.9D (2011–2026)
Years and variants as listed in the LECTURA Specs database.
300.9D: what the brochure names
Features Caterpillar names in its own brochure for the 300.9D. Some of them may be optional, so check the machine's spec before you order.
- Operator protection certified to ROPS and FOPS.
- A dozer blade.
- Boom swing, for digging along walls and around obstacles.
From Caterpillar's published brochure. We keep the source document on file.
Questions about the 300.9D
- What bucket width fits the 300.9D?
- Caterpillar lists buckets from 250 to 700 mm wide for it. Pick a width in that range from the sizes above.
Each family shows its candidate models by operating-weight range.
Also available
- RC - root cutter
Root cutter-2
- RRB - root rake bucket profile
RRB-20
Other mini-ex attachments
- LR mini - straight land rakes for mini-excavator
LR-2 · 2 width variants
- LRS - short land rakes for mini-excavators
LRS-2
- RIP mini - ripper shank for mini-excavator
Ripper-2.5
- GRB light - mini-excavator grading beam with lowered mass
GRB-MIKRO · 3 width variants, GRBH-MIKRO · 3 width variants
Standard mini-ex buckets set No. 1
- GP - general purpose digging bucket
GP-10 · 4 width variants
- GB - rigid grading & ditching bucket, German profile
GB-10 · 3 width variants
- GBH - hydraulic tilt ditching bucket for mini-excavator
GBH-10 · 2 width variants
Standard mini-ex buckets set No. 2
- GPL - general purpose digging bucket
GPL-10 · 4 width variants
- GBP - rigid grading & ditching bucket, Italian profile
GBP-10 · 3 width variants
Dutch mini-ex buckets set No. 3
- SB mini - Dutch profile grading & ditching bucket for mini-excavator
SB-10 · 3 width variants
- PDP mini - skeleton BDP stone bucket
PDP-10 · 2 width variants
Nordic mini-ex buckets set No. 4
- DS mini - Scandinavian deep digging bucket for mini-excavator
DS-20 · 4 width variants
- KS mini - cable bucket for mini-excavator
KS-20 · 3 width variants
- KSV mini - Scandinavian profile cable V bucket for mini-excavator
KSV-20 · 3 width variants
- QC-S - S-System Scandinavian quick-coupler
QC-S30-H/150, QC-S30-H/180, QC-S30-SA/150, QC-S30-SA/180, QC-U-S30-H/150, QC-U-S30-H/180
- CW - CW-System compatible quick-coupler
CW-00, CW-U-00
- QC-HS / QC-MS - MS-System compatible quick-coupler
QC-HS-01, QC-MS-01, QC-U-HS-01
- QC-PG - pin-grabber quick-coupler for factory brackets
QC-ML-M-30
Bucket sets for this machine
Sets of one bucket profile that include buckets listed for the Caterpillar 300.9D. Each set lists the buckets that match the machine's operating weight.
- German-profile set
Buckets in the set for this weight: GP, GB, GBH
- Italian-profile set
Buckets in the set for this weight: GPL, GBP
- Nordic-profile set
Buckets in the set for this weight: DS, KS, KSV
- Dutch-profile set
Buckets in the set for this weight: SB, PDP
Before you order: check the interface
The weight class of the Caterpillar 300.9D 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.
Quick coupler brackets at this weight
In our model tables, the attachments listed for the Caterpillar 300.9D at its weight are built with these brackets. Each code opens the models that list it.
- Measure the diameter of both bucket pins.
- Measure the distance between the pin centres.
- Measure the inside width between the stick ears.
- 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 Caterpillar 300.9D.
Other Caterpillar 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 Caterpillar 300.9D.
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 Caterpillar 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.