Botttom king pin suitable for Volvo BL71
GX-AFTER

Botttom king pin suitable for Volvo BL71

Catalog number:SKX073252A Nr OEM:11709450 Manufacturer:GX-AFTER
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Lower Trunnion (Kingpin) for Volvo BL71 Case 580 - 11709450

Technical Specification and Compatibility

Reinforced 11709450 lower trunnion (steering knuckle pin) from the GX-AFTER range. This is a key structural component of the front drive axle (Carraro type), responsible for the lower mounting of the wheel knuckle. The product is dedicated to a wide range of construction and agricultural machinery, including Volvo, Case, New Holland, Komatsu, Terex backhoe loaders and Renault tractors. Made of hardened steel, it ensures maximum resistance to vertical and lateral loads.

Part Number: 11709450
Component Type: Lower Trunnion / Kingpin
Axle Location: Bottom of Knuckle (Left/Right side)
Material: Hardened Alloy Steel
Manufacturer: GX-AFTER

GX-AFTER supplies chassis components of OEM quality. Precise CNC machining of mounting surfaces and bearing races guarantees perfect fit and long life, even in difficult working conditions on construction sites or in fields.

Features of GX-AFTER 11709450 Trunnion

High Hardness: Induction hardening of working surfaces ensures resistance to abrasion and cooperation with tapered roller bearings.
Perfect Geometry: Maintaining factory mounting dimensions (hole spacing, seating diameter) eliminates play and wheel geometry problems.
Carraro Versatility: The part fits many Carraro axle models, making it a universal solution for many machine brands.
Impact Resistance: The core of the element retains appropriate toughness, preventing the pin from cracking upon sudden wheel impact against an obstacle.

Application in machinery

Brand Models / Series
VOLVO BL60, BL71, BL71 PLUS
CASE / CASE IH Backhoe Loaders: 580, 590 (L, LE, SLE, LSP, M, SM, SR series)
Tractors: CS, MX, CVX series
New Holland / Ford FB90-110, NH75-95, LB75-110 (and .B versions)
Renault / Claas Ares, Arion, Atles, Celtis, Ergos, Temis, Ranger
Komatsu WB 91R, 93R, 97R series
Terex / Fermec 820, 860, 880, 970, 980, TX series
Others Manitou, Sanderson

Part fits Carraro axles. If in doubt, check the axle nameplate number on your machine.

Related Parts and Hardware

The lower trunnion works with a tapered roller bearing, seal, and grease nipple. Replacing this part often involves replacing the knuckle bearings. Also check the condition of the upper trunnion.

⚠️ Safety Warning

Trunnion fracture or extreme knuckle bearing wear can lead to the wheel falling off while driving or working. This manifests as significant wheel play ("flapping") and oil leaks from the knuckle. Do not ignore these symptoms!

Part Role in the Machine and Failure Diagnostics

The lower trunnion is the pivot axis of the steering knuckle, transferring the machine's weight to the wheels.

  • › Oil leak from the bottom of the knuckle (seal damaged by trunnion play).
  • › Wheel play palpable when the machine is jacked up (up-down).
  • › Tire tread stripping ("scuffing") due to bad geometry.
  • › Steering difficulty (seized bearings on the trunnion).

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🔧 Expert Guide: Key Installation Tips

  1. Bearing Replacement: Never install a new trunnion on old, worn bearings. Always replace the set (race + bearing).
  2. Lubrication: Grease the bearings with high-quality grease before assembly. After assembly, use grease nipples regularly.
  3. Mounting Bolts: Tighten the bolts securing the trunnion to the axle with a torque wrench and secure with threadlocker. Loosening bolts is the most common cause of failure.

Frequently Asked Questions (FAQ)

Is this top or bottom?

Part number 11709450 refers to the lower trunnion. The upper trunnion usually has a different design (often integrated with the knuckle arm or different structure).

Does it fit Carraro axle?

Yes, this is a typical part for Carraro axles used in Volvo, Case, Terex, and other machines. Checking the axle model is key.

Is the bearing included?

No. The offer applies to the pin (trunnion) only. Bearings, seals, and shims must be purchased separately.

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SKX073252A
11709450
1.17 kg

Data sheet

SUITABLE FOR
VOLVO
MACHINE TYPE
BACKHOE LOADER
OEM NUMBERS
11709450 / VOE11709450 / 9968025

Specific References

MPN
11709450
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Botttom king pin suitable for Volvo BL71

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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

55.35 zł

net price
45,00 zł
Temporarily unavailable
45,00 zł
net price

55.35 zł

gross price
  • You will receive 5 points, it gives you 2.00 zł
  • Lowest price from 30 days before the discount: 55.35 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    VOLVO
    MACHINE TYPE
    BACKHOE LOADER
    OEM NUMBERS
    11709450 / VOE11709450 / 9968025

    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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