The Wacker Neuson is a genuine OEM ISO 8678 M8x20 8.8 ZNC fastener designed for the Cabin / Driver Seat assembly. As a genuine Wacker Neuson part, the is manufactured to the exact ISO 8678 specification — including the correct M8x20 thread dimensions, 8.8 tensile grade, and zinc-nickel coating (ZNC) — ensuring a proper fit within the seat mounting assembly. This is the factory-correct replacement for maintaining the structural integrity of the operator cabin seating system on your Wacker Neuson equipment.
Key Features
- ISO 8678 Grade 8.8 Tensile Strength — Meets the mechanical load requirements of the seat mounting application, delivering the clamping force this connection demands.
- Zinc-Nickel Coating (ZNC) — Corrosion-resistant surface treatment suited for the demanding exposure conditions typical of construction equipment cabins.
- M8x20 Thread Specification — Correct thread size and length for direct installation into the Cabin / Driver Seat assembly without modification to existing hardware points.
- Genuine OEM Part — Sourced directly from Wacker Neuson, matching the original fastener specification used at the point of manufacture for the Cabin / Driver Seat.
- Operator Safety Relevance — A correctly rated and properly torqued seat fastener is critical to securing the operator's seating position; using a non-spec substitute risks seat movement under load.
- Fits Cabin / Driver Seat Assembly — Verified for use in the Wacker Neuson Cabin / Driver Seat (5100052514), making part verification straightforward before ordering.
An ISO 8678 M8x20 8.8 ZNC fastener is a hex-head bolt conforming to the ISO 8678 standard — specifying head geometry, thread profile, and mechanical grade. The "8.8" grade rating defines the bolt's tensile and yield strength, making it appropriate for structural and load-bearing connections such as seat mounting brackets in an operator cabin. The zinc-nickel coating provides corrosion resistance to extend service life in outdoor and high-humidity environments. When a fastener in this application loosens, corrodes, or is replaced with an incorrect grade, the seat assembly can become unstable, creating a direct safety risk to the operator.
Part Details
| Part Number | 1000402940 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | ISO 8678 M8x20 8.8 ZNC |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cabin / Driver Seat | Cabin / Driver Seat | 5100052514 |
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.