The Wacker Neuson Belt Pulley is a genuine OEM component designed for the E1250S, E1250P, E3000, and HSH380 series hydronic surface heaters and ground heaters. As a direct OEM replacement, the is produced to the same specifications as the original part, ensuring correct fitment and consistent power transfer within the drive system. This pulley is compatible across a broad range of E-series and HSH-series configurations, including diesel, natural gas, and LP/NG variants, as well as models equipped with or without an onboard generator.
Key Features
- Genuine OEM Drive Geometry — Manufactured to the exact pulley diameter and belt-groove profile of the original, ensuring the drive belt seats and tracks correctly without slippage.
- Broad Series Compatibility — Fits E1250S, E1250P, E3000, and HSH380 hydronic surface heaters and ground heaters across diesel, LP/NG, and natural gas configurations.
- Direct OEM Replacement — Sourced directly from Wacker Neuson, the 1000324641 installs in place of the original pulley with no modification to the drive assembly.
- Consistent Pump Drive Performance — A correctly sized pulley maintains the proper belt speed and tension needed to keep the circulation pump running at its designed output, sustaining even heat distribution across the heating system.
- Verified Part Number — Confirms accuracy across all listed E-series and HSH-series machine configurations, reducing the risk of ordering an incompatible component.
The belt pulley is a core component of the drive system in hydronic surface heaters and ground heaters. It transfers rotational power from the engine or motor to the circulation pump via the drive belt, maintaining the fluid flow needed to distribute heat evenly across the heating blanket or surface. When the pulley wears, cracks, or loses its belt groove profile, belt slippage and uneven tension follow — reducing pump efficiency and ultimately compromising heating output across the entire system.
Part Details
| Part Number | 1000324641 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Belt Pulley |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E3000 Ground Heater, 3kW Gen, TC | E3000 | 5100017807, 5100017809, 5100017806, 5100017808, 5100017810, 5100017811, 5100017801 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359 |
| E2200 GROUND HEATER, 3kW GENERATOR W/LIFT BAIL | E2200 | 5100017449, 5100017448 |
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.