729/10669
  • Brand
    JCB
  • Article
    729/10669
  • Machine system
    Electrics
  • Part type
    Battery
  • Machine brand
    JCB
  • Manufacturing type
    Original
  • All the features
In stock
0.00 ₺
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For the JCB machines: battery 729/10669, a genuine JCB part. The card also lists 332/F3103.

This is the genuine 110 Ah battery for JCB machines, numbers 729/10669 and 332/F3103. The genuine battery is matched to the tray size, terminal layout and starting needs of JCB machines, so the cables reach without strain and the hold-down fits properly. When replacing it, clean the terminals and cable lugs and apply a thin coat of terminal grease. Never remove the battery cables with the engine running, since a voltage surge can damage the alternator and electronic units. The battery comes new; check its charge with a voltmeter before first fitting.

Specifications


Part number729/10669
Cross / alternative numbers332/F3103
Production typeOriginal
Part typeBattery
System / groupElectrics
Machine makeJCB

Compatibility

Other parts are in Batteries.

Fitting

Before fitting, compare the terminal layout (which side the positive is on) and terminal type with the old battery, so the cables reach without strain. Check the charge with a voltmeter before first use: a rested, fully charged 12 V battery reads about 12.6-12.8 V. The part comes new; before fitting, compare its part number and connection type with the old part. After the change, check the function and the warnings on the instrument panel.

Specifications

  • Machine system
    Electrics
  • Part type
    Battery
  • Machine brand
    JCB
  • Manufacturing type
    Original
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JCB 3CX / 4CX 07/10/2026 67
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.
JCB 3CX / 4CX 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.
Useful articles 05/10/2026 37
Starter, battery and alternator on a JCB 3CX/4CX: checks before replacing
If the machine is hard to start or the battery does not charge, do not rush to replace the starter or the alternator. Simple voltmeter readings often show that the cables, the earth or the battery itself are to blame. The data comes from the JCB service manual for 3C, 3CX and 4CX backhoe loaders. It covers machines with the JCB Dieselmax 4.4 l engine and a 12 V electrical system.
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