Attachments for the JCB 18Z-1 weight range
Weight Class: Mini Excavator (1–6 t) Operating Weight: 1,749 kg
- Bucket line
- GP - general purpose digging bucket 250–600 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.
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.
Ask for a price with this answer
The short version for the 18Z-1
Families to look at first
- GP - general purpose digging bucket 250–600 mm
- GB - rigid grading & ditching bucket, German profile 800–1,200 mm
- GBH - hydraulic tilt ditching bucket for mini-excavator 800–1,200 mm
Quick coupler brackets at this weight
- S30
- S40
- MS01
- MS03
- CW00
- CW05
- OQ40
- HS02
- HS03
- Klac C
- Klac D
- Klac E
- M02
- M03
Brackets we build attachments with in this weight range. Not a confirmed fit.
Still to check
Pin diameter, pin spacing, inside width between the stick ears, and any quick coupler on the machine.
Catalogue sizes for the 18Z-1
Each size below has a catalogue row rated for a carrier of 1,749 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 18Z-1.
On a narrow screen the table scrolls sideways.
Buckets
Tools
| Attachment | Sizes | Heaped capacity ISO 7451 [dm³] | Width [mm] | Weight [kg] |
|---|---|---|---|---|
Other mini-ex attachments | ||||
| LR mini - straight land rakes for mini-excavator | LR-3 · 2 width variants | 1,000–1,200 | 85–100 | |
| LRS - short land rakes for mini-excavators | LRS-3 | 925 | 70 | |
| RIP mini - ripper shank for mini-excavator | Ripper-2.5 | 21 | ||
| MR mini - multi-ripper for mini-excavator | MRF 25 | 400 | 36 | |
| GRB light - mini-excavator grading beam with lowered mass | GRB-MIKRO · 3 width variants, GRBH-MIKRO · 3 width variants | 1,500–2,000 | 86–141 | |
Also available | ||||
| RC - root cutter | Root cutter-2 | 170 | 13 | |
| RRB - root rake bucket profile | RRB-20 | 900 | 80 | |
Quick couplers
Coupler sizes within this machine's published weight range. Not a confirmed fit.
| Attachment | Sizes | Heaped capacity ISO 7451 [dm³] | Width [mm] | Weight [kg] |
|---|---|---|---|---|
| QC-S - S-System Scandinavian quick-coupler Start here Price & lead time Get price & lead time S-System (Scandinavian) | 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 | 15–42 | ||
| CW - CW-System compatible quick-coupler CW-System | CW-05, CW-U-05 | 25–67 | ||
| QC-HS / QC-MS - MS-System compatible quick-coupler MS system | QC-HS-01, QC-MS-01, QC-U-HS-01 | 20–46 | ||
| QC-PG - pin-grabber quick-coupler for factory brackets Pin-grabber | QC-ML-M-30 | 14 |
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 quick coupler and hydraulic attachment. See the certificates.
Message us on WhatsApp Photos and voice notes are welcome.Before you order: check the interface
The weight class of the JCB 18Z-1 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 JCB 18Z-1 at its weight are built with these brackets. Each code opens the models that list it.
Brackets we build attachments with in this weight range. Not a confirmed fit.
- 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:
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 18Z-1.
Send this answer to a colleague or dealer
JCB 18Z-1: GP - general purpose digging bucket (GP-20). Shortlisted by operating weight
Sizes are matched to the published operating weight of the 18Z-1.
- Weight Class
- Mini Excavator (1–6 t)
- Operating Weight
- 1,749 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 JCB, retrieved 2026-09-10. Source
JCB 18Z-1: machine data
- Operating weight
- 1,749 kg
- Engine power
- 11.7 kW
- Maximum digging depth
- 2,570 mm
- Maximum dump height
- 2,630 mm
- Bucket breakout force
- 18 kN document from greenshieldsjcb.com
- Arm crowd force
- 10.1 kN document from greenshieldsjcb.com
- Quick coupler
- Mechanical quick coupler
- Auxiliary circuit flow
- 32 l/min document from greenshieldsjcb.com
- Auxiliary circuit pressure
- 200 bar document from greenshieldsjcb.com
- Max reach
- 3,981 mm document from greenshieldsjcb.com
- Arm length
- 950–1,100 mm document from greenshieldsjcb.com
- Main pump flow
- 42 l/min document from greenshieldsjcb.com
- Transport width
- 980 mm document from greenshieldsjcb.com
As published by JCB, retrieved 2026-09-18. Source
- Pin diameter
- 30 mm Source: Tuff Buckets. From a dealer's table. It does not say which arm or quick coupler was fitted.
A guide only. Measure the pins before you order.
What the 18Z-1 figures mean for its attachments
- Its auxiliary circuit is rated at 32 l/min and 200 bar. A breaker, auger, tilt rotator or other hydraulic tool states the oil flow it needs, so choose one whose range includes this figure.document from greenshieldsjcb.com
- The main pump delivers up to 42 l/min at 235 bar. That is the pump output of the whole machine, not the flow an attachment gets.document from greenshieldsjcb.com
- JCB lists this quick coupler for it: Mechanical quick hitch. The bracket on every attachment has to match the coupler.document from greenshieldsjcb.com
- It digs down to 2,570 mm. That is the deepest trench it can open.
- Its maximum reach is 3,981 mm.document from greenshieldsjcb.com
- It dumps at up to 2,630 mm, so a truck or skip side has to sit below that height.
- JCB offers arms from 950 to 1,100 mm. A longer arm reaches further, a shorter one handles a heavier bucket.document from greenshieldsjcb.com
- Bucket breakout force is 18 kN and arm crowd force 10.1 kN. That is the force a bucket or ripper works with at the tooth.document from greenshieldsjcb.com
- For transport it measures 3,547 x 980 x 2,340 mm (length, width, height).document from greenshieldsjcb.com
- Engine power is 11.7 kW.
Figures without a source note are as published by JCB in its own documents.
How the 18Z-1 compares with its neighbours
The nearest models by weight, with the difference to the 18Z-1 in parentheses where both makers publish the figure.
| Model | Operating weight | Max dig depth | Main pump flow | Auxiliary flow |
|---|---|---|---|---|
| 18Z-1 | 1.749 t | 2,570 mm | 42 l/min | 32 l/min |
| JCB 16C-1 | 1.749 t | 2,570 mm | 42 l/min | 32 l/min |
| JCB 19C-1E | 1.902 t (+0.153 t) | 2,810 mm (+240) | 42 l/min | 32 l/min |
| Komatsu PC18MR-2 | 1.75 t (+0.001 t) | 2,410 mm (-160) | 40.8 l/min (-1.2) | not published |
Figures as each maker publishes them. A difference is shown only where both machines have a published value.
Other JCB models of a similar weight
Other makes of a similar weight
Operating weight within 2 t of the JCB 18Z-1.
Other JCB 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 JCB 18Z-1.
Questions about the 18Z-1
- Which quick coupler is installed on your 18Z-1?
- JCB names no coupler system for it, so we cannot know which coupler your machine carries until you tell us. The attachments we list for the 18Z-1 are built with these brackets: S30, S40, MS01, MS03, CW00, CW05, OQ40, HS02, HS03, Klac C, Klac D, Klac E, M02, M03. Pick your coupler above or send us a photo of its nameplate, and we check the bracket before we quote.
- Can the 18Z-1 run a hydraulic attachment?
- Yes, if the tool's rated range covers the auxiliary circuit: 32 l/min at 200 bar.
For publishers: cite or embed this table
Cite this table as https://sieruta.com/en/fit/jcb/jcb-18z, figures as of 2026-09-10.
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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.