The Wacker Neuson Ring Terminal is a genuine OEM electrical connector designed for the E2200, E3000, E3000 ES, E5000, HSH650, and HSH700 series hydronic surface heaters and ground heaters. As a factory-sourced component, it meets the original electrical specifications of the machine, ensuring a secure and properly rated connection within the wiring harness. This ring terminal fits across a wide range of configurations within the Wacker Neuson ground heater and hydronic surface heater lineup, including lift bail, generator-equipped, and temperature-control variants. Verify your machine's model and serial number against the fitment list before ordering to confirm compatibility.
Key Features
- OEM-Rated Electrical Connection — Manufactured to the original current-carrying and crimping specifications required by Wacker Neuson heater electrical systems, not a generic hardware-store substitute.
- Direct Bolt-On Replacement — Matches the original terminal lug hole size and conductor gauge of the E2200, E3000, and E5000 series wiring, so it seats and torques correctly without modification.
- Broad Fitment Across the HSH and Ground Heater Range — Compatible with E2200, E3000, E3000 ES, E5000, HSH650, HSH700, and CH5000 configurations, covering lift bail, generator-equipped, and temperature-control variants.
- Electrical Integrity Under Heating Cycles — A correctly installed ring terminal maintains low-resistance continuity through repeated thermal expansion and contraction cycles typical of ground heater operation; a failed or corroded terminal can cause intermittent faults or circuit failure.
- Safe, Code-Consistent Termination — Using the correct OEM-spec ring terminal ensures the connection point meets the insulation and conductor ratings built into the machine's electrical design, supporting safe operation in cold-weather jobsite environments.
A ring terminal is a crimped or soldered electrical connector that fastens a wire conductor to a bolt, stud, or bus bar, forming a permanent, low-resistance electrical joint. In hydronic surface heaters and ground heaters, ring terminals are used throughout the power distribution and control wiring to anchor conductors to terminals on components such as generators, control panels, and heating elements. When a ring terminal corrodes, cracks, or pulls free from its conductor, it creates resistance in the circuit that can cause voltage drops, overheating at the connection point, nuisance faults, or complete loss of function in the affected circuit. Replacing a damaged terminal with the correct OEM part restores the integrity of the electrical connection and prevents further damage to surrounding wiring and components.
Part Details
| Part Number | 5000166649 |
|---|---|
| Old Part Number | 0166649 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ring Terminal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620678, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811, 5100025046, 5100017801, 5100025045 |
| HSH700 | HSH700G | 5000620243 |
| E2200 GROUND HEATER, W/ LIFT BAIL | E2200 | 5000620215, 5000620176, 5000620216, 5000620226, 5100017448, 5100017449 |
| E5000 Ground Heater, 12kw Gen, Diesel | E5000 | 5000620899 |
| E3000 ES Hydronic Surface Heater | E3000ES | 5000620968, 5000620967 |
| HSH650 | HSH650 | 5000620991 |
| Cross Heater with generator, o il burner | CH5000 | 5000620242 |
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.
