Multiquip 513991 Jackshaft Pinion

The Multiquip 513991 Jackshaft Pinion is a genuine OEM component designed for the C10SH8 and C10PH8 concrete mixers. Sourced directly through Multiquip's authorized parts program, this pinion gear is built to the same specifications as the original, ensuring the drive system performs exactly as intended. DHS Equipment stocks this part to help contractors keep their mixer operating through demanding pour schedules. Verify your model code against C10SH8 and C10PH8 before ordering to confirm fitment.

Key Features

• OEM Gear Geometry: — Machined to original tooth profile and pitch specifications, ensuring correct mesh with the jackshaft drive assembly without adjustment.
• Direct Drive Engagement: — Drops into the existing jackshaft position on C10SH8 and C10PH8 mixers, maintaining the original torque transfer path to the drum.
• Confirmed Fitment: — Verified for Multiquip C10SH8 and C10PH8 concrete mixer models; always match your model code before ordering.
• Sustained Drum Speed Consistency: — A correctly functioning jackshaft pinion maintains steady drum rotation speed, which is critical to achieving uniform concrete mix quality on every batch.
• Genuine Multiquip OEM Part: — Backed by Multiquip's parts program, this is the same component installed during original production — not a substitute or generic gear.

The jackshaft pinion is a key gear in the mixer's power transmission system, sitting on the jackshaft and transferring rotational force from the engine or motor to the drum drive mechanism. It works in mesh with mating gears to step down speed and multiply torque, allowing the drum to rotate at the correct rate for proper mixing action. When this pinion wears, chips, or loses tooth integrity, the drum may slip, rotate unevenly, or stop turning altogether — compromising mix quality and potentially causing further damage to the surrounding drivetrain components.

For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment parts team before placing your order.

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.