Pinion with crown wheel - 13/38T M30 suitable for JCB
JCB

Pinion with crown wheel - 13/38T M30 suitable for JCB

Catalog number:458/W4742D Nr OEM:458/70258 Manufacturer:JCB
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ORIGINAL CROWN WHEEL AND PINION SET SUITABLE FOR JCB - 458/W4742

Specification & Compatibility

Product: Original Crown Wheel and Pinion Set (Final Drive Ratio)
Producer: JCB
Ratio: 13/38 (13 teeth on pinion, 38 teeth on crown wheel)
Pinion Thread: M30
Version: Heavy-Duty
Application:
JCB Backhoe Loaders

3CX, 4CX

Other JCB Machines

Telescopic Handlers, Wheeled Loaders, JS Wheeled Excavators

Part Number: 458/W4742
Replaces Part Numbers: 458/70258, 458/70037
Part Type: Original JCB Product

Essential for Installation

Pinion Bearing Kit (essential with every replacement)
Pinion Seal and Flange
HYPTRON Axle Oil (to refill the system after repair)
Shims (for setting the correct backlash)

What does this part do and what are the symptoms of wear?

The crown wheel and pinion, also known as the final drive ratio, is the heart of the drive axle. It is responsible for changing the direction of drive by 90 degrees and for the final gear reduction. If you hear a loud "whining" or "howling" from the axle, especially when accelerating and engine braking, metallic clunks when starting off, or there is excessive play in the driveshaft, these are classic symptoms of a damaged or worn gear set. Ignoring the problem leads to the complete destruction of the differential and immobilization of the machine.

Parameters That Guarantee Reliability

⭐

Original JCB Quality

Factory-matched set

💪

Heavy-Duty Design

Resistant to extreme loads

⚙️

Precise Gearing

Quiet operation and long life

Why Choose an Original JCB Gear Set?

✔Restore Quiet and Smooth Operation

A new, factory-matched set eliminates whining and clunking from the axle, restoring comfort.

✔Protect Your Investment

A properly installed, original gear set protects bearings and the differential from damage.

✔Guarantee of Highest Durability

Original JCB parts guarantee the highest quality materials and machining, which translates to the longest possible service life.

Important Fitting / Service Tips

1.Always Replace the Bearing Set

When replacing the final drive, it is absolutely necessary to install a new set of pinion and differential bearings.

2.Set the Bearing Preload

Correct preload on the pinion bearings is crucial for durability. It must be set according to the service manual, using a torque wrench.

3.Set the Correct Backlash

After installation, it is essential to set the correct backlash using shims and to verify the tooth contact pattern using marking compound.

Frequently Asked Questions (FAQ)

Question: Can I replace only the crown wheel or just the pinion?

Answer: Absolutely not. The crown wheel and pinion are factory-matched and lapped as a pair. Installing components from different sets guarantees noisy operation and very rapid destruction of the gear set.

Question: My axle is whining. Is this part definitely the cause?

Answer: "Whining" or "howling" is the most common symptom of a worn final drive gear set. Sometimes, similar sounds can be generated by worn bearings, which is why a comprehensive axle inspection is recommended.

Question: Do I need special tools for installation?

Answer: Yes, proper installation of a final drive requires specialized tools such as a press, a torque wrench, a dial indicator for setting backlash, and experience. We recommend entrusting this repair to a qualified mechanic.

Question mark

If you are unsure whether the selected product is suitable for your machine, contact us and we will help you choose the right part and provide practical advice in minutes.

JCB
458/W4742D
458/70258
10.83 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
EXCAVATOR
TELESCOPIC HANDLER
WHEELED LOADER
OEM NUMBERS
458/70258 / 458/W4742 / 458/70037
NUMBER OF TEETH
13
83

Specific References

MPN
458/70258
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Pinion with crown wheel - 13/38T M30 suitable for JCB

Catalog number: 458/W4742D
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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

2,643.27 zł

net price
2149,00 zł
Available in large quantity Temporarily unavailable
2149,00 zł
net price

2,643.27 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 215 points, it gives you 86.00 zł
  • Lowest price from 30 days before the discount: 2,643.27 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    EXCAVATOR
    TELESCOPIC HANDLER
    WHEELED LOADER
    OEM NUMBERS
    458/70258 / 458/W4742 / 458/70037
    NUMBER OF TEETH
    13
    83

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    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

    Opening hours
    Telephone support - Monday - Friday (8:00 AM – 5:00 PM)
    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

    Email



    Gadu-Gadu communicator
    GG: 4185846 - Daniel
    Phone
    +48 17 864 31 00
    +48 17 864 00 24
    +48 17 864 25 96

    Mobile phone
    +48 607-700-547
    +48 695-944-818
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    Fax
    +48 17 864 31 20