The Wacker Neuson Washer is a genuine OEM component designed for the HSH700, HSH650, CUB700, and CUB400 series hydronic surface heaters and indirect-fired air heating systems. As a factory-sourced part, it meets the exact material and dimensional specifications required by these machines, ensuring correct load distribution and a secure, leak-free assembly. This washer is confirmed compatible across multiple configurations including skid-mounted, portable, and mobile variants of the CUB400 and CUB700, as well as MC5200 mobile drying systems and the CUB700GM model with integrated genset. Keeping the correct hardware in place is essential to maintaining the integrity of pressurized and high-temperature assemblies found in these heating units.
Key Features
- Genuine OEM Material Spec — Sourced directly from Wacker Neuson, this washer meets the exact hardness and dimensional tolerances required for heating system fastener assemblies operating under elevated temperature and pressure conditions.
- Drop-In Hardware Fit — Matches the original fastener stack exactly, installing without modification across all compatible HSH and CUB series configurations.
- Broad Fitment Coverage — Compatible with HSH700, HSH650, CUB400, CUB700, CUB700GM, CUB700M, and MC5200 units across skid-mounted, portable, and mobile machine variants.
- Maintains Clamping Integrity — Correct load distribution across the joint face prevents fastener loosening and surface damage in high-vibration or thermally cycled assemblies.
- Prevents Fluid and Heat Leaks — In heating system applications, improperly sized or worn washers can compromise sealed joints, leading to fluid loss or reduced heating efficiency — this OEM part keeps those connections secure.
A washer serves as a load-distributing hardware component placed beneath a bolt head or nut to spread clamping force evenly across the mating surface. In heating equipment like the CUB and HSH series, washers are critical to maintaining tight, properly sealed connections within assemblies that are subject to repeated thermal cycling and mechanical vibration. When a washer is worn, undersized, or missing, the fastener joint can loosen prematurely or damage the surrounding material, creating the risk of fluid leaks, heat loss, or component failure during operation.
Part Details
| Part Number | 5000172656 |
|---|---|
| Old Part Number | 0172656 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| Skid Mounted-Indirect Fired Ai r Heat, Diesel | CUB700 | 5000620213, 5000620687, 5000620207 |
| Skid Mounted-Indirect Fired Ai r Heater, Diesel | CUB400 | 5000620211, 5000620212, 5000620615 |
| HSH650 | HSH650 | 5000620991 |
| Mobile Drying System | MC5200 | 5000620201, 5000620232 |
| Mobile Indirect Fired Air Heat er, Diesel w/Genset | CUB700GM | 5000620759 |
| Mobile Indirect Fired Air Heat er, Diesel | CUB700M | 5000620758 |
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.