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À LA PELLE, the specialist in hydraulic excavator attachments Who is Arnaud Dufour
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Equipping and securing the machine

On-board bucket weighing

View taken from inside a cab: a weighing display screwed to its plate against the pillar, sheathed cable running along the frame, reading 14,350 kg below a fill bar; through the window, the bucket loaded with soil above a lorry body.
It is permanently fitted in the cab:
the driver reads what is being loaded without leaving the seat.
Synthetic image.

The machine announces what it loads, bucket after bucket.
The lorry leaves at the right weight, the day is counted in real tonnage.
One question remains:
what the figure is for.

Other names for this tool: on-board weighing, bucket weigher, load indicator, excavator weighing system.

The essentials
Family
Equipping and securing the machine
Machines concerned
All
Fitting
Permanently installed in the cab
Power supply
Electric, 12 or 24 V on-board electrical system depending on the machine; power: we calculate it with you for your machine

Identify your coupler →

01 Use

What it is for

On the left, every lorry loaded to the right weight thanks to the weighing shown in the cab. On the right, without weighing, one lorry leaves half empty and the other overloaded. Computer-generated image.
every lorry loaded to the right weight thanks to the weighing shown in the cab without weighing, one lorry leaves half empty and the other overloaded
Left: every lorry loaded to the right weight thanks to the weighing shown in the cab.
Right: without weighing, one lorry leaves half empty and the other overloaded.
What sets it apart:
it does not save time on the movement, it does away with wasted trips.
Computer-generated image.

The system measures the load carried by the equipment and displays it in the cab, bucket after bucket, with a running total.
The first benefit is loading lorries:
no more half-full lorry, no more overloaded lorry going back to the heap.

The second is monitoring:
a tonnage removed that is known every evening, without going over the weighbridge, makes it possible to manage a haulage operation and to support an interim payment application.

An indicative weighing and a legally binding one are not the same equipment. Helping a driver not to overload a lorry is an internal use.
Invoicing a customer on the weight displayed, or setting it against a third party, is a trade use:
that assumes an instrument that is verified, monitored and inspected.
Tell us which of the two you are aiming at:
the answer changes everything.

02 What we check with you

On which machine?

The weighing system is installed permanently on the machine and in the cab, independently of the coupler.
All machines are covered.

What the tool does

This system provides on-board weighing of the bucket.
It relies on an arm position sensor, a chassis inclinometer and two pressure transducers.

What is needed on the hydraulic side

It runs on electricity, from the 12 or 24 V on-board electrical system depending on the machine.
The consumption and the power: we calculate them with you for your machine.

Figures taken from our models on the market.
Your study sets the exact value for your machine.

Don't have these figures?
A photo of the machine is enough to start.

03 Your study

Have your machine checked.

Tell us whether you want to avoid overloads or whether you want to invoice by weight.
These are two different needs, and we will not offer you the same equipment.

What we need to answer you
  • Your machine Its exact make and model.
  • What is fitted What equips the machine today.
  • The on-board electrical system Its voltage: 12 or 24 V.

Without these details, the study still begins: we will ask you for them.

Book an appointment with the specialist

Or call 01 84 16 55 49 · our lines are open 7 days a week, from 7h to 22h.

Written study within 3 working days, once the file is complete.

04 Choice

What determines the choice

  • 01 — The intended use Loading aid or legally binding weighing:
    it is the first criterion, and it is not a technical one.
  • 02 — The method of measurement Weighing on the move or at a standstill:
    the constraints on the driver are not the same.
  • 03 — The tools used The system has to know which tool is fitted, otherwise it weighs the tool along with the load.
  • 04 — Using the data A display in the cab and a usable record are not the same thing.
05 Check

What is checked before ordering

  • What you will do with the figure Internal, or towards a third party.
  • The measuring conditions on your site Ground, slope and rate all affect the measurement.
  • The settings for each tool Every tool fitted has to be declared.
  • Monitoring the instrument A weighing system nobody checks is no longer a weighing system after a few months.
A question about an attachment? 01 84 16 55 49 Send my photos