Lower kingpost bushing suitable for JCB 3CX 4CX
CORESPEX

Lower kingpost bushing suitable for JCB 3CX 4CX

Catalog number:SKX829875CX Nr OEM:808/00214 Manufacturer:CORESPEX
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LOWER KINGPOST BRONZE BUSH SUITABLE FOR JCB 3CX, 4CX - 808/00214

Technical Specification and Compatibility

A high-quality slide bush, made of a special bronze alloy. It is a key component of the joint connecting the kingpost to the sideshift carriage at its lower mounting point. Its function is to provide smooth rotational movement for the kingpost pin and to bear the enormous forces generated during backhoe operation. It has internal grease channels for optimal lubricant distribution.

Part number: 808/00214
Alternative part numbers: 808/00169
Manufacturer: CORESPEX
Height (mm): 59
Inner Diameter (mm): 105
Outer Diameter (mm): 117
Material: Bronze (with grease channels)

A CORESPEX brand product – premium quality replacements that guarantee long life and reliability, even when working in heavy-duty conditions.

Application in machines

Brand (Machine Type) Model
JCB (Backhoe Loaders) 3CX, 4CX (models up to serial number 405988)

The list above is for reference. It is crucial to ensure that your machine has the older sideshift type with a rack and pinion slew mechanism.

⚠️ Safety Warning

Replacing kingpost bushings requires the backhoe arm to be immobilized and secured. Always use the service lock and certified axle stands. Never rely solely on the machine's hydraulics. Use safety glasses and gloves.

Service Recommendation: Ensure Maximum Lifespan

For a complete joint refurbishment, always replace the upper and lower bushings together with new pins and seals. Regular greasing of the kingpost with high-quality HYPTRON grease with MoS2 additive drastically extends the life of all moving parts.

Part's Role in the Machine and Failure Diagnostics

Bushings are sacrificial components designed to wear out to protect much more expensive parts like the kingpost or the sideshift carriage. Ignoring worn bushings leads to play, which in turn damages the pin bores (causing them to become oval), ultimately requiring a very expensive re-boring repair.

Replace the bushings if you notice:

  • Excessive play (clunking) on the kingpost.
  • Loss of precision during digging, a "wobbly" bucket.
  • Loud squeaking or grinding from the joints, even after greasing.
  • A visible crack or displacement of the old bush.

Peace of Mind Guarantee: Why Choose Our Offer?

Ignoring play on the pins leads to irreversible damage to the bores in the carriage and kingpost, forcing costly re-boring repairs.

A repair performed using a complete set of CORESPEX pins and bushings is the cheapest way to avoid these problems. Secure your machine and restore its factory precision – order a complete set today.

Expert's Guide: Key Installation Tips

  1. Check the bores: Before pressing in new bushings, thoroughly clean and inspect the bores in the kingpost. If they are worn oval, they need to be re-bored.
  2. Use a press: Use a hydraulic press with appropriate sleeves to install the bushings. Hammering them in can cause damage.
  3. Align grease channels: If the bush has grease holes or channels, make sure they align with the grease nipple after installation.
  4. Grease generously: After installation, pump in a large amount of fresh grease until it purges out, removing any contaminants from the assembly process.

Frequently Asked Questions (FAQ)

1. Why are kingpost bushings made of bronze?

Copper alloys (bronze) are used in very high-load, low-speed joints. These materials have excellent sliding properties and are more resistant to seizure in the event of a temporary lack of lubrication than a steel bush, which is crucial in such an important component as the backhoe slew.

2. I have play on the backhoe arm. Will replacing this bush be enough?

Play in the backhoe can come from many places. This bush eliminates play at the lower kingpost mounting to the carriage. You should also check the upper kingpost mounting, the slew ram pins, and the pin connecting the boom to the kingpost. A comprehensive repair requires replacing all worn bushings and pins.

3. How do I distinguish the "old type" of slew from the new one?

The "old type" of slew, used up to approx. 1991 (serial number 405988), is based on two hydraulic rams and a rack and pinion system. Newer machines use a slew ring system (like in large excavators), which has a completely different kingpost and carriage design.

Key Advantages

🛡️

Working Precision

Eliminates play and restores arm rigidity.

🎯

Machine Protection

Protects expensive components from wear.

📦

High Durability

Bronze resistant to abrasion and seizure.

Question mark

Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.

SKX829875CX
808/00214
0.99 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
OEM NUMBERS
808/00214 / 808/00169
MATERIAL
BRONZE
OUTER DIAMETER (MM)
117
INNER DIAMETER (MM)
105
HEIGHT (MM)
59
BUSH WITH COLLAR
NO

Specific References

MPN
808/00214
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Lower kingpost bushing suitable for JCB 3CX 4CX

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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

98.34 zł

net price
79,95 zł
Available in large quantity Temporarily unavailable
79,95 zł
net price

98.34 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 8 points, it gives you 3.20 zł
  • Lowest price from 30 days before the discount: 98.34 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    OEM NUMBERS
    808/00214 / 808/00169
    MATERIAL
    BRONZE
    OUTER DIAMETER (MM)
    117
    INNER DIAMETER (MM)
    105
    HEIGHT (MM)
    59
    BUSH WITH COLLAR
    NO

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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



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    Phone
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    +48 17 864 25 96

    Mobile phone
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