Wacker Neuson 5000166544 Motor 1/2 Hp 56C Nema Tefc

The Wacker Neuson Motor 1/2 Hp 56C Nema Tefc is a genuine OEM component designed for the E3000, E2200, E1250, E1100, S3000, HSH350, HSH380, HSH650, HSH700, DPP, and SPP series hydronic surface heaters and pump packs. As a direct factory replacement, this motor meets the original engineering specifications for frame size, enclosure type, and output rating, ensuring your heating system performs exactly as designed. This part covers an exceptionally wide range of Wacker Neuson ground heater and hydronic surface heater configurations, including lift bail, generator-equipped, and combination LP/NG and diesel variants.

Key Features

• 56C Nema Frame Compatibility: — Standardized 56C Nema frame ensures bolt-pattern alignment with the original motor mount, so installation connects directly without adapters or modification.
• Totally Enclosed Fan-Cooled (Tefc) Enclosure: — The Tefc enclosure protects internal windings from moisture, dust, and debris — critical in the demanding outdoor ground-heating and concrete-curing environments these machines operate in.
• Genuine OEM Quality: — Sourced directly from Wacker Neuson, this motor matches original winding specifications, bearing selection, and output rating, ensuring correct fluid circulation performance in the hydronic loop.
• Broad Fitment Across Heater Families: — Verified fit for E3000, E2200, E1250, E1100, S3000, HSH350, HSH380S, HSH380B, HSH650, HSH700, DPP33, DPP8.8, and SPP4.4 models, covering ground heater and hydronic surface heater variants.
• Protects Heating System Uptime: — A failed or under-powered pump motor disrupts hydronic fluid circulation, causing uneven or complete loss of heat output. Replacing with the correct 1/2 Hp rated motor restores full system pressure and temperature distribution.

The pump motor in a hydronic surface heater drives the circulation pump that moves heated fluid through hoses and heating blankets or ground mats. Without a correctly functioning motor, heated fluid cannot circulate through the system, and the machine loses its ability to deliver consistent ground or surface heat — critical for concrete curing, frost protection, and cold-weather construction. A motor that is undersized, worn, or fails outright will cause the system to run at reduced output or shut down entirely, stalling time-sensitive pours or thaw operations. The Wacker Neuson 5000166544 restores full pump-drive capacity with a properly rated, enclosed motor built for continuous outdoor operation.

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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