Pin lock suitable for CAT Tooth J400
HIMACORE

Pin lock suitable for CAT Tooth J400

Catalog number:SKX988639HM Nr OEM:7T3409 Manufacturer:HIMACORE
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COMPLETE TOOTH RETAINER SET (PIN + LOCK) CAT J400 - 7T3409

Technical Specification and Compatibility

An essential mounting component – this is a complete, two-piece side retainer set for teeth in the CATERPILLAR J400 system. The set consists of a pin and a sleeved retainer (lock). This is the key hardware that ensures the tooth tip remains securely locked onto the adapter during heavy work, preventing tooth loss.

Set Part Number: 7T3409
Alternative Number (Pin): 7T3408
System: CAT J400
Set Contents: 1x Pin (7T3408) + 1x Retainer (8E8409)
Pin Diameter: 22 mm
Pin Length: 118 mm

GX-AFTER is the smart choice for your machine. We provide high-class replacement parts that combine excellent quality with an attractive price. Each part is carefully verified to ensure full compatibility and reliability you can depend on.

Related Parts

  • › J400 Tooth Tip: Part no. 7T3402
  • › J400 Adapter: e.g., Part no. 6I6404

Application in machines

Brand Type / Series / Model
CATERPILLAR (CAT) Excavators: 231D, 320B, 320B L, 320B N, 320B S, 320C
Wheel Loaders: 980G, 980G II, 980H, 980K
Other Brands Any machine (JCB, Komatsu, Case, Bobcat, Kubota, John Deere, ESCO, Hensley, H&L) equipped with a J400 adapter system.

The list above is for reference. It is crucial to verify the tooth system (J400) on your bucket's adapter.

⚠️ Installation Warning

Retainers are single-use items. Never reuse old, worn, or cracked retainers. Always wear safety glasses when hammering or removing pins, as metal components can chip.

Part's Role in the Machine and Failure Diagnostics

The retainer (pin and lock) locks the tooth onto the adapter nose. The pin transfers lateral forces, and the retainer prevents the pin from sliding out. Damaged or worn retainers are the main cause of losing teeth during operation.

  • › Losing teeth during operation (critical failure).
  • › Visible damage or cracking of the retainer.
  • › Excessive wear or "shearing" of the pin.
  • › Play in the tooth, allowing it to "rock" sideways (can also be a worn adapter).

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🔧 Expert's Guide: Key Installation Tips

  1. Always use new retainers: Never reuse old pins or retainers. They are single-use items that lose their locking properties after removal.
  2. Clean the sockets: Before installation, thoroughly clean the pin holes in the adapter and tooth. Debris (dirt, rust) will prevent the retainer from seating correctly.
  3. Check seating: After placing the tooth, ensure it is fully seated on the adapter nose before driving in the pin.
  4. Installation direction: Drive the pin in from the side with the larger retainer groove (on the adapter "ear") until the retainer "clicks" and locks into place.

Frequently Asked Questions (FAQ)

1. What is the difference between 7T3409, 7T3408, and 8E8409?

The number 7T3409 (this product) is typically the part number for the complete set. This set consists of one 7T3408 Pin and one 8E8409 Retainer (lock).

2. Will this set fit a J300 or J500 system?

No. The CAT J-Series tooth systems are not interchangeable between sizes. A J400 set only fits J400 teeth and adapters.

3. Why must I replace the retainer every time I change a tooth?

The retainer (lock) is a spring-steel component. During removal (knocking it out), it gets deformed and loses its tension and locking force. Reusing an old retainer will almost certainly result in losing the pin, and consequently, the entire tooth.

Znak zapytania

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.

SKX988639HM
7T3409
0.40 kg

Data sheet

SUITABLE FOR
ATLAS
BOMAG
CASE
CAT
DOOSAN DAEWOO
HIDROMEK
HYUNDAI
JCB
KOBELCO
KOMATSU
LIEBHERR
LIU GONG
NEW HOLLAND
TEREX
VOLVO
MACHINE TYPE
EXCAVATOR
WHEELED LOADER
OEM NUMBERS
7T3409 / 7T3408

Specific References

MPN
7T3409
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Pin lock suitable for CAT Tooth J400

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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

18.45 zł

net price
15,00 zł
Temporarily unavailable
15,00 zł
net price

18.45 zł

gross price
  • You will receive 2 points, it gives you 0.80 zł
  • Lowest price from 30 days before the discount: 18.45 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    ATLAS
    BOMAG
    CASE
    CAT
    DOOSAN DAEWOO
    HIDROMEK
    HYUNDAI
    JCB
    KOBELCO
    KOMATSU
    LIEBHERR
    LIU GONG
    NEW HOLLAND
    TEREX
    VOLVO
    Show more
    MACHINE TYPE
    EXCAVATOR
    WHEELED LOADER
    OEM NUMBERS
    7T3409 / 7T3408

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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

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    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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