Wacker Neuson 1000334804 Poly-V Belt

The Wacker Neuson Poly-V Belt is a genuine OEM drive belt designed for the TH627 indirect-fired air heater. As a direct-from-manufacturer part, it is built to the exact specifications required by the TH627, ensuring correct tensioning and full contact across the pulley grooves. This is the same belt supplied in original production, so fitment on the TH627 is confirmed with no guesswork involved. Keep a spare on hand — belt wear is a routine service item on heaters running extended hours on the jobsite.

Key Features

• OEM Belt Profile Accuracy — Manufactured to the exact poly-V groove pitch and belt length specified for the TH627, maintaining correct load distribution across every rib.
• Direct Replacement for TH627 — Designed to seat onto existing pulleys without adjustment, aligning with the original drive layout of the TH627 indirect-fired air heater.
• Confirmed TH627 Fitment — Sourced directly from Wacker Neuson's spare parts list for the TH627 (418-02), so compatibility is verified against the original parts catalog.
• Sustained Blower Output — A correctly tensioned poly-V belt keeps the blower running at rated speed; a worn or cracked belt causes slippage, reduced airflow, and uneven heat output.
• Fuel System Safety Relevance — On indirect-fired heaters, proper belt function is integral to combustion air delivery; a failing belt can disrupt the air-to-fuel ratio and trigger safety shutdowns.

The poly-V belt on the TH627 indirect-fired air heater transfers power from the drive motor to the blower assembly, maintaining the airflow needed for consistent combustion and heat output. Its multi-ribbed profile gives it a higher surface contact area than a standard V-belt, allowing it to transmit more torque in a compact envelope. When the belt stretches, cracks, or loses a rib, blower speed drops, combustion efficiency falls off, and the heater may cycle out on a fault — replacing it promptly restores full heating performance.

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.

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.