The Multiquip 20019-001 is a genuine OEM Pinion Shaft designed for Multiquip masonry saw models MS18H5.5, MS18H8, MS20H, MS20E, MS30H, MS18E, and MS30E. As a factory-original component, the part is manufactured to the same specifications as the part it replaces, ensuring a correct, consistent fit within the saw's drive assembly. Sourced directly through Multiquip's authorized parts network, this is the exact same component built into these machines at the factory. If your masonry saw is showing signs of drive slippage, unusual blade vibration, or gear noise, replacing the Pinion Shaft with a genuine OEM part restores full cutting performance.
Key Features
- Gear-Grade Material Integrity — Manufactured from hardened steel to withstand the torsional loads and continuous mesh engagement typical of masonry saw drive systems.
- Direct Drive Assembly Fit — Engineered to align precisely with the mating gear and bearing seats in the MS18 and MS20 and MS30 series drive housings for a clean, bolt-in installation.
- Broad Masonry Saw Coverage — Compatible with MS18H5.5, MS18H8, MS18E, MS20H, MS20E, MS30H, and MS30E models, covering both Honda-powered and electric variants across the Multiquip masonry saw lineup.
- Restored Blade Speed Consistency — A worn or damaged pinion shaft causes erratic blade RPM and loss of cutting torque; replacing it with the correct OEM component restores smooth, consistent power delivery to the blade arbor.
- Genuine OEM Sourcing — Supplied as an authorized Multiquip OEM part, meaning it carries the correct part number, 20019-001, and meets all original design tolerances for the drive train.
The pinion shaft is a core element of the masonry saw's gear-driven blade transmission. It meshes with the main drive gear to transfer rotational power from the engine or motor to the blade arbor, controlling blade speed and torque output. When the pinion shaft wears, chips, or develops play in its bearing journals, the result is inconsistent blade speed, audible gear noise, and — in severe cases — complete loss of drive, bringing cutting operations to a halt. Replacing a worn pinion shaft promptly protects the surrounding gears and bearings from secondary damage.
DHS Equipment is an authorized Multiquip parts dealer. If you need help confirming this is the correct part for your machine, contact our parts team with your model and serial number before ordering.
Part Details
| Part Number | 20019-001 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pinion Shaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Masonry Saws | MS18H5.5 |
| Masonry Saws | MS18H8 |
| Masonry Saws | MS20H |
| Masonry Saws | MS20E |
| Masonry Saws | MS30H |
| Masonry Saws | MS18E |
| Masonry Saws | MS30E |
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.