The Wacker Neuson Shaft Seal is a genuine OEM shaft seal designed for the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX backhoe loaders. Sourced directly from Wacker Neuson, this is the same part installed at the factory — no guesswork on fitment or compatibility. It covers the full BL744 and BL742 series, making it the go-to replacement for operators running any of these machines. When you need a correct, confirmed replacement, the delivers exactly that.
Key Features
- Genuine OEM Sealing Material — Manufactured to Wacker Neuson's exact compound and lip-profile specification, ensuring the seal compresses and seats correctly against the shaft surface.
- Drop-In Replacement — Matches the original bore diameter and shaft tolerances on BL744 and BL742 series backhoe loaders, seating in the same housing without machining or adaptation.
- Broad BL-Series Coverage — Fits the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX — a single part number covering the core Wacker Neuson backhoe loader lineup.
- Prevents Fluid Loss at the Shaft — A correctly functioning shaft seal keeps hydraulic or drivetrain fluid contained, maintaining system pressure and protecting surrounding components from contamination.
- Genuine Part Assurance — Carrying the Wacker Neuson OEM designation means this seal meets the same validation standards as the original, with no compromise on dimensional accuracy or material grade.
A shaft seal is a precision lip seal that wraps around a rotating shaft to prevent fluid — typically hydraulic oil, gear oil, or lubricant — from escaping the housing where the shaft exits. On a backhoe loader, shaft seals are found in axles, hydraulic motors, and drivetrain components where spinning shafts pass through stationary housings. When a shaft seal wears, hardens, or takes damage, fluid begins to weep or leak past the lip, leading to low fluid levels, loss of hydraulic pressure, and accelerated wear to bearings and other internal parts. Replacing a failed shaft seal promptly keeps the drivetrain and hydraulic system operating at the pressures and fluid levels they depend on.
Part Details
| Part Number | 5100032466 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BL744ch Backhoe Loader | BL744ch | 5100031800 |
| BL744h Backhoe Loader | BL744h | 5100031801 |
| BL742h Backhoe Loader | BL742h | 5100031802 |
| BL744c Backhoe Loader | BL744c EX | 5100031803 |
| BL744 EX Backhoe Loader | BL744 EX | 5100031804 |
| Backhoe Loader | BL742 EX | 5100031805 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
