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Operating-weight guide

Attachments for the Volvo EC300E Straight Boom weight range

Weight Class: Heavy Excavator (30–65 t) Operating Weight: 35,658 kg

Bucket line
DB - heavy duty digging bucket 1,000–1,800 mm wide
Price & lead time Get price & lead time
  • 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.

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The short version for the EC300E Straight Boom

Families to look at first

Quick coupler brackets at this weight

  • S80
  • MS25
  • CW45
  • OQ80
  • SW48
  • SW66

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 EC300E Straight Boom

Each size below has a catalogue row rated for a carrier of 35,658 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 EC300E Straight Boom.

On a narrow screen the table scrolls sideways.

Buckets

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

Digging & sorting buckets

DB - heavy duty digging bucketDB-400 · 6 width variants1,082–2,2881,000–1,800957–1,480
SDB - heavy duty skeleton DB bucketSDB-400 · 2 width variants1,917–2,2241,600–1,8001,411–1,550
DBF - flat-top digging bucket for quick coupler Start here Price & lead time Get price & lead timeDBF-400 · 6 width variants1,024–2,1791,000–1,800854–1,312
RDBF - flat-top skeleton DBF bucket on rodsRDBF-400 · 3 width variants1,727–2,1791,500–1,8001,067–1,213
DSX - Nordic heavy duty digging bucketDS-HD-400 · 3 width variants921–1,4621,000–1,400952–1,214

Ditching, grading, sloping buckets

GD - rigid grading & ditching bucket, 12–40 t Start here Price & lead time Get price & lead timeGD-400 · 3 width variants1,395–1,8512,000–2,600856–1,055
GDH - heavy duty hydraulic grading & ditching bucket Start here Price & lead time Get price & lead timeGDH-400 · 3 width variants1,336–1,7802,000–2,6001,218–1,415
SB - Dutch profile grading & ditching bucketSB-400 · 4 width variants1,739–2,2422,000–2,500889–1,065
DCB - grading & ditching bucket with round profileDCB-400 · 3 width variants1,307–1,7352,000–2,600721–893

Tools

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

Non-bucket attachments

RIP - heavy duty ripperRipper-E490

Quick couplers

Coupler sizes within this machine's published weight range. Not a confirmed fit.

AttachmentSizesHeaped capacity ISO 7451 [dm³]Width [mm]Weight [kg]
CW - CW-System compatible quick-coupler Start here Price & lead time Get price & lead time CW-SystemCW-45, CW-45 S, CW-55, CW-U-45, CW-U-45 S435–1,146
QC-HS / QC-MS - MS-System compatible quick-coupler MS systemQC-HS-25310
QC-PG - pin-grabber quick-coupler for factory brackets Pin-grabberQC-PG-100, QC-U-PG-100740–1,435
Price & lead time Get price & lead time: EC300E Straight Boom

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.

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Special machine configuration (High reach). Engineering review is required before you select an attachment. Any families shown here are matched by operating weight only.

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Before you order: check the interface

The weight class of the Volvo EC300E Straight Boom 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.

Heavy excavators dig rock, load trucks and work in quarries, so wear decides the bucket as much as capacity does. Rock and reinforced buckets carry thicker wear steel, teeth and side cutters, and the bucket is sized to the trucks it loads and to the density of the material.DBS - engineered rock bucket for excavator

Quick coupler brackets at this weight

In our model tables, the attachments listed for the Volvo EC300E Straight Boom 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.

  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 EC300E Straight Boom.

Machine

Volvo EC300E Straight Boom

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Machine, line and sizes

Volvo EC300E Straight Boom: DBF - flat-top digging bucket for quick coupler (DBF-400). Shortlisted by operating weight

Sizes are matched to the published operating weight of the EC300E Straight Boom.

Weight Class
Heavy Excavator (30–65 t)
Operating Weight
35,658 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 Volvo, retrieved 2026-09-10. Source

We have no openly licensed photo of this machine. The drawing shows the type (excavator, Heavy 30–65 t), not this machine.

Volvo EC300E Straight Boom: machine data

Operating weight
35,658 kg
Engine power
180 kW
Maximum digging depth
6,110 mm
Maximum dump height
9,881 mm
Bucket breakout force
190 kN
Arm crowd force
136 kN
Quick coupler
Volvo hydraulic quick coupler S2
Max reach
11,536 mm maker's document (volvoce.com)
Arm length
3,050 mm maker's document (volvoce.com)
Main pump flow
552 l/min maker's document (volvoce.com)
Lift capacity
11,250 kg maker's document (volvoce.com)
Transport width
3,190 mm maker's document (volvoce.com)

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

What the EC300E Straight Boom figures mean for its attachments

  • The main pump delivers up to 552 l/min at 333 bar. That is the pump output of the whole machine, not the flow an attachment gets.
  • Volvo lists this quick coupler for it: Volvo hydraulic quick coupler S2. The bracket on every attachment has to match the coupler.
  • It digs down to 6,110 mm. That is the deepest trench it can open.
  • Its maximum reach is 11,536 mm.
  • It dumps at up to 9,881 mm, so a truck or skip side has to sit below that height.
  • Its arm is 3,050 mm long.
  • Bucket breakout force is 190 kN and arm crowd force 136 kN. That is the force a bucket or ripper works with at the tooth.
  • Volvo gives a lifting capacity of 11,250 kg. Check a heavy grab or hammer, plus its load, against the full load chart.
  • For transport it measures 11,340 x 3,190 x 3,110 mm (length, width, height).
  • Engine power is 180 kW.

Figures as published by Volvo in its own documents.

How the EC300E Straight Boom compares with its neighbours

The nearest models by weight, with the difference to the EC300E Straight Boom in parentheses where both makers publish the figure.

ModelOperating weightMax dig depthMain pump flow
EC300E Straight Boom35.658 t6,110 mm552 l/min
Volvo ECR35535.522 t (-0.136 t)6,940 mm (+830)512 l/min (-40)
Volvo EC350E Hybrid36.26 t (+0.602 t)7,490 mm (+1,380)576 l/min (+24)
Hitachi ZX375US-735.6 t (-0.058 t)6,920 mm (+810)472 l/min (-80)

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

EC300E Straight Boom: what the brochure names

Features Volvo names in its own brochure for the EC300E Straight Boom. Some of them may be optional, so check the machine's spec before you order.

  • Work modes you select from the cab.
  • Two-speed travel.
  • An engine that meets EU Stage V.
  • Automatic engine idle when the controls are left alone.

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

Other Volvo 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 Volvo EC300E Straight Boom.

Questions about the EC300E Straight Boom

Which quick coupler is installed on your EC300E Straight Boom?
Volvo lists this coupler for it: Volvo hydraulic quick coupler S2. Order attachments with the matching bracket.
For publishers: cite or embed this table

Cite this table as https://sieruta.com/en/fit/volvo/volvo-ec300e-straight-boom, 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.