123/06173
  • Brand
    JCB
  • Article
    123/06173
  • Machine system
    Sensors
  • Part type
    Wheel sensor target washer
  • Machine brand
    JCB
  • Manufacturing type
    Original
  • Compatibility
    JCB 3CX, 4CX
  • All the features
In stock
0.00 ₺
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For the JCB 3CX and 4CX backhoe loaders: wheel sensor target washer 123/06173, a genuine JCB part.

After replacing the washer, check the gap between sensor and washer and reset it with the sensor lock nuts if needed. Keep the washer face clean, since a thick layer of mud or rust can change the detection distance. The washer is chosen by part number. The washer only works together with the sensor tip at the right gap. Its thickness and diameter must suit the sensor's detection zone, and a different washer can make the steer mode control unit misread the wheel position.

Specifications


Part number123/06173
ManufacturerJCB
Production typeOriginal
Part typeWheel sensor target washer
System / groupSensors
Machine makeJCB

Compatibility

The catalogue also has the aftermarket version of this part. Other parts are in Sensors.

Fitting

Clean the seat before fitting the washer and tighten the fixings, then check the sensor signal with the wheels straight.

Specifications

  • Machine system
    Sensors
  • Part type
    Wheel sensor target washer
  • Machine brand
    JCB
  • Manufacturing type
    Original
  • Compatibility
    JCB 3CX, 4CX
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07/10/2026 68
JCB 3CX and 4CX wiring diagrams before and after May 2009: sheets and component keys
Section C of the JCB service manual (publication 9803/3290-15) gives the JCB 3CX and 4CX backhoe loader wiring diagram in two versions: one for machines built up to May 2009 with analogue instruments and one for machines from May 2009 with the digital instrument panel. On the earlier machines the main machine circuit takes two sheets, with separate circuits for the gearboxes and options; the later circuit runs to 15 sheets. Below are the main sheets, the component keys and a guide to reading wire numbers.
07/10/2026 37
JCB 3CX / 4CX Electrics: Fuses, Relays, Battery, Alternator and Starter Motor Tests
Section C of the JCB service manual (publication 9803/3290-15) covers the electrical system of JCB 3C, 3CX and 4CX backhoe loaders: fuses and relays, circuit diagrams for machines of different build years, battery, alternator and starter motor testing, the wire numbering system, harness repair, earth points and harness drawings. The PDF has 402 pages, most of them harness drawings.
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