Multiquip 12683 15T Bevel Pinion

The Multiquip 12683 15T Bevel Pinion is a genuine OEM component designed for the HHN34TVD series Whiteman ride-on power trowel. This is a direct-source replacement gear that meets Multiquip's original engineering specifications, ensuring the drivetrain delivers proper blade rotation speed and torque transfer. Sourced directly through authorized Multiquip supply channels, the part is the correct part to specify when rebuilding or servicing the blade drive system on HHN34TVD equipment.

Key Features

• Genuine OEM Gear Geometry — 15-tooth bevel profile matches the original pinion specification exactly, maintaining correct mesh angle and tooth contact with the mating gear.
• Direct Drivetrain Replacement — Drops into the existing gear housing on HHN34TVD trowels without modification, aligning with the original shaft and bearing positions.
• HHN34TVD Fitment — Confirmed for the Whiteman HHN34TVD 8-foot heavy-duty mechanical ride-on trowel with twin-blade and Vanguard diesel configuration.
• Consistent Blade Drive Performance — A worn or chipped bevel pinion causes uneven blade speed, vibration, and accelerated wear on adjacent gears; this OEM replacement restores smooth, balanced power transmission to the blade assembly.
• Hardened Gear Material — Manufactured to the same material and heat-treatment standards as the original, resisting wear under the continuous rotational load typical of finish troweling operations.

The 15T Bevel Pinion is a key gear in the blade drive assembly of a ride-on power trowel. It transfers rotational power from the drivetrain to the bevel gear set that ultimately spins the trowel blades, with the 15-tooth bevel profile controlling the speed ratio and direction of that power flow. When the pinion wears or sustains tooth damage, the result is gear slippage, uneven blade rotation, and increased stress on surrounding drivetrain components — making timely replacement essential to maintaining consistent finishing performance and protecting the broader gear assembly from secondary damage.

For fitment questions or to confirm this part is correct for your specific machine configuration, contact the DHS Equipment team directly.

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.

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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.