Wacker Neuson 5100032553 Belleville Washer

The Wacker Neuson is a genuine OEM Belleville Washer designed for the BL744 and BL742 series Backhoe Loaders. Sourced directly from Wacker Neuson, this part meets the same specifications as the original component installed at the factory, ensuring a drop-in fit with no guesswork. Compatible across multiple BL744 and BL742 configurations — including the BL744ch, BL744h, BL742h, BL744c, and BL744 EX variants — this washer covers a wide range of machines in the Wacker Neuson backhoe lineup. Keeping the correct washer in place is essential to maintaining proper clamping force and bolt tension throughout the assembly.

Key Features

• Consistent Spring Tension: — Engineered to deliver the correct load-deflection characteristics for this application, maintaining reliable clamping force under dynamic operating conditions.
• Genuine OEM Part: — Sourced directly from Wacker Neuson, this Belleville Washer matches the original part specification exactly — no substitutions or cross-referencing required.
• Direct Drop-In Replacement: — Dimensioned to seat correctly in the original stack position, allowing straightforward installation without reworking the surrounding hardware.
• Broad BL-Series Fitment: — Confirmed fit across BL744ch, BL744h, BL742h, BL744c EX, BL744 EX, and BL742 EX Backhoe Loader variants under part number 5100032553.
• Protects Fastener Integrity: — A correctly functioning Belleville Washer absorbs vibration and prevents bolt loosening; a worn or flattened washer can lead to joint failure and costly secondary damage.

A Belleville Washer — also known as a conical disc spring — is a cupped, ring-shaped washer that stores mechanical energy in its cone shape to apply a continuous, controlled load against a fastener or mating surface. Unlike a flat washer, it actively compensates for thermal expansion, vibration, and settling in the joint, keeping bolt tension consistent over time. When a Belleville Washer loses its cone profile through fatigue or overloading, clamping force drops and the fastened assembly becomes vulnerable to loosening, misalignment, or premature wear of surrounding components.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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