320/03523
  • Brand
    JCB
  • Article
    320/03523
  • Machine system
    Engine
  • Part type
    Washer
  • Machine brand
    JCB
  • Manufacturing type
    Original
  • Compatibility
    JCB Dieselmax 444
  • Machine series
    3CX, 4CX, 5CX
  • All the features
In stock
0.00 ₺
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Rocker shaft spring washer 320/03523 is a genuine JCB part for the JCB Dieselmax 444 engine.

A washer spreads the load in a joint, stops it loosening or seals it. Sealing washers crush onto the surface when tightened, so they are not reused. Spring washers take up end play and hold parts in place. A washer of the wrong size causes a leak or play. Small as it is, the washer decides whether the joint seals or works without play. Sealing washers can be copper, aluminium or rubber-coated steel, chosen for the joint temperature and fluid. Spring washers relax and lose force over time. The size is defined by the part number.

Specifications


Part number320/03523
ManufacturerJCB
Production typeOriginal
Part typeWasher
System / groupEngine
Machine makeJCB
Series / model3CX, 4CX, 5CX

Compatibility

The part is listed for JCB 3CX and 4CX backhoe loaders. Other parts are in JCB Dieselmax engine.

Fitting

Fit the washer the right way round on a clean face and tighten the joint to the specified torque. The washer is supplied new.

Specifications

  • Machine system
    Engine
  • Part type
    Washer
  • Machine brand
    JCB
  • Manufacturing type
    Original
  • Compatibility
    JCB Dieselmax 444
  • Machine series
    3CX, 4CX, 5CX
Questions: 0
Your question:

No questions about this product.

07/10/2026 34
JCB Dieselmax Engine in the JCB 3CX / 4CX: Builds, Technical Data and Servicing
Section K of the JCB service manual (publication 9803/3290-14) deals with the installation of the JCB Dieselmax engine in JCB 3C, 3CX and 4CX backhoe loaders. It gives the technical data for each engine build, the cold start heater electrics with their fault codes and the operation of the viscous fan coupling, together with the removal procedures for the radiator, expansion tank, fuel injection pump and the engine itself. The PDF runs to 30 pages.
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