The Wacker Neuson Axle is a genuine OEM component designed for the HI 400HD G, HI 300HD D, and HI 400HD D indirect-fired air heaters. As a direct factory replacement, this axle matches the original part specification exactly, ensuring a correct installation with no guesswork. Wacker Neuson genuine OEM parts are manufactured to the same standards as the components installed at the factory, making the a dependable choice for keeping your heater in service throughout demanding heating seasons.
Key Features
- Genuine OEM Construction — Manufactured to original equipment specification, with correct dimensional tolerances for a proper load-bearing fit in the axle mount points of the HI-series heater chassis.
- Direct Replacement for Three HI-Series Models — Confirmed fitment for the HI 400HD G, HI 300HD D, and HI 400HD D indirect air heaters — drop-in compatibility with the existing axle hardware and wheel assemblies.
- Supports Safe and Stable Heater Transport — A sound axle keeps the heater unit mobile and correctly balanced during repositioning on the jobsite; a worn or damaged axle can compromise wheel alignment and machine stability.
- Sourced Direct from Wacker Neuson — Part number 5000183998 is an authorized Wacker Neuson part, giving you full confidence in part identity and traceability.
- Diesel and Gas Heater Coverage — Fits both the gasoline-fired HI 400HD G and the diesel-fired HI 300HD D and HI 400HD D variants, covering the full HI HD range.
The axle on an indirect-fired air heater serves as the central load-bearing shaft for the heater's wheel assembly, allowing the unit to be towed or manually repositioned across a worksite. It bears the weight of the heater frame and any attached fuel tank, so structural integrity is essential for safe operation and accurate wheel tracking. When an axle bends, cracks, or wears at its bearing surfaces, it can cause wheel wobble, difficult maneuvering, and potential instability — replacing it promptly with a genuine part like the Wacker Neuson 5000183998 restores full mobility and safe handling.
Part Details
| Part Number | 5000183998 |
|---|---|
| Old Part Number | 0183998 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Axle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
| HI 300HD D Indirect Air Heater, Diesel | HI300HDD | 5000620867 |
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
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.