The Wacker Neuson Automatic Belt Tensioner is a genuine OEM component designed for the HIF 1200 Flameless Air Heater and the G155 Mobile Generator Skid Mounted. Sourced directly from Wacker Neuson, this tensioner is built to the exact specification used in original production, ensuring it seats and operates identically to the unit it replaces. Correct belt tension is critical to keeping belt-driven accessories running efficiently, and the delivers consistent, self-adjusting pressure without manual readjustment.
Key Features
- Self-Adjusting Tension Control — Automatically maintains optimal belt load across the drive system, preventing slack or over-tension that can cause premature belt wear or accessory failure.
- Genuine OEM Construction — Manufactured to Wacker Neuson's original tolerances, so the spring rate, pivot geometry, and pulley diameter match the design spec of the HIF 1200 and G155 platforms exactly.
- Direct Drop-In Replacement — Mounts to the existing bracket and hardware configuration on compatible machines, restoring the drive system to its original operating state.
- Broad Platform Compatibility — Confirmed fitment for the HIF 1200 Flameless Air Heater and G155 Mobile Generator Skid Mounted, covering two distinct Wacker Neuson equipment families.
- Drive System Protection — A properly tensioned belt prevents slippage that can overheat or overload alternators, blowers, and other driven components — protecting the broader drive train from secondary damage.
An automatic belt tensioner keeps constant, calibrated pressure on the drive belt that powers belt-driven components such as alternators and blower assemblies. Unlike a fixed idler, the automatic tensioner uses an internal spring mechanism to continuously compensate for belt stretch and thermal expansion, maintaining the correct tension throughout the operating cycle. When the tensioner wears out or seizes, belt slip and noise typically follow, and driven accessories lose efficiency or stop functioning altogether — making timely replacement essential to keeping the machine operational.
Part Details
| Part Number | 5000153368 |
|---|---|
| Old Part Number | 0153368 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Automatic Belt Tensioner |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HIF 1200 Flameless Air Heater | HIF1200 | 5200012623 |
| Mobile Generator Skid Mounted | G155 | 5000008234 |
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.
