The Wacker Neuson Ring Terminal, 18-14 GA, 1/2 Inch Bolt is a genuine OEM electrical connector designed for the HI770XHD Extra Heavy Duty Air Heater. Sourced directly from Wacker Neuson, this terminal matches the original specification for wire gauge range and bolt diameter, ensuring a secure, code-correct connection at the designated termination point. Using the correct OEM part eliminates the guesswork of sizing and keeps your heater's electrical circuit performing exactly as intended. If you're tracing a wiring fault or completing a harness repair on your HI770XHD, is the verified replacement to reach for.
Key Features
- Correct Gauge and Bolt Sizing: — Rated for 18-14 AWG wire with a 1/2 inch bolt hole, matching the original termination specification so the connection seats flush and holds torque without deforming the lug.
- Genuine OEM Part: — Supplied directly by Wacker Neuson, meaning the crimp barrel dimensions, conductor contact area, and plating match what left the factory on your heater.
- Direct Fit for HI770XHD: — Verified for the HI770XHD Extra Heavy Duty Air Heater; installs into the existing termination point with no resizing or adapter hardware needed.
- Solid Circuit Integrity: — A properly crimped ring terminal maintains low-resistance contact at the stud connection, keeping voltage drop in check and supporting consistent heater output in cold-weather operation.
- Electrical Safety Assurance: — An undersized or mismatched terminal can loosen under vibration or overheat under load; the correct OEM lug keeps the connection within the rated current capacity of the circuit.
A ring terminal is a small but critical link in an electrical circuit — it crimps onto the stripped end of a wire and fastens to a stud or bolt to form a permanent, low-resistance connection. In a heavy-duty air heater like the HI770XHD, ring terminals anchor wiring to key electrical components including ignition, fuel, and control circuits; a loose or corroded terminal can cause intermittent faults, hard starting, or complete heater shutdown. Replacing a worn or damaged terminal with the correct OEM part restores the integrity of the connection and prevents heat buildup or arcing at the termination point.
Part Details
| Part Number | 5100051838 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ring Terminal, 18-14 GA, 1/2 Inch Bolt |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Extra Heavy Duty Air Heater | HI770XHD | 5100049894 |
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.
Wacker Neuson
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