Multiquip ZT37D3 BP25 Poly V-Belt 6 Groove

The Multiquip ZT37D3 BP25 Poly V-Belt 6 Groove is a genuine OEM belt designed for the BP-25H gasoline backpack flex-shaft vibrator. As a direct OEM replacement, this belt is manufactured to the exact profile and length specifications required by the BP-25H drive system, ensuring proper engagement and power transfer from the engine to the flex shaft. Sourced directly from Multiquip, the ZT37D3 carries the same part number used in factory assembly, so you can order with confidence that it will install correctly without modification.

Key Features

• OEM-Matched Belt Profile: — Six-groove poly V configuration meets the exact drive geometry of the BP-25H, maintaining correct belt-to-pulley contact and load distribution.
• Direct Factory Replacement: — Matches the original belt routing and pulley span on the BP-25H, dropping in the same way as the factory-installed component.
• Confirmed Fitment for BP-25H: — Verified for the Multiquip BP-25H gasoline backpack vibrator series — no cross-referencing guesswork required.
• Sustained Power Delivery: — A correctly tensioned, undamaged belt keeps vibration output consistent at the head; a worn or cracked belt causes slippage, lost frequency, and incomplete concrete consolidation.
• Genuine OEM Quality: — Produced to Multiquip's original material and dimensional standards, ensuring the belt handles the flex and heat cycling typical of continuous vibrator operation.

The poly V-belt on a backpack concrete vibrator transfers rotational power from the engine to the flex shaft that drives the vibrator head. With its multiple longitudinal grooves, the belt grips the drive pulley efficiently across a compact width, allowing high power transmission in a lightweight, portable package. When the belt stretches, cracks, or loses a groove, drive efficiency drops — the vibrator head spins inconsistently or stalls under load, leaving concrete improperly consolidated and compromising pour quality.

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.