The Wacker Neuson Crankshaft is a genuine OEM Crankshaft designed for the RD12A-90 Tandem Roller, CRT36-26A Trowel, and CRTv36-26A Trowel series. As a direct-from-manufacturer component, it is produced to the exact tolerances and material specifications required for these machines. This part covers a broad range of configurations across the RD12A-90, CRT36-26A, and CRTv36-26A lines, including foldable ROPS and wheel kit variants, making it a versatile stock item for fleet operators and service shops alike.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to exact journal diameter and stroke tolerances required by the engine, ensuring proper bearing fit and seal contact from the first startup.
- Drop-In Engine Fitment — Machined to match the original mounting interfaces, counterweight configuration, and keyway positions for a straightforward installation with standard tooling.
- Broad Model Coverage — Fits the RD12A-90 Tandem Roller (including Foldable ROPS variants), CRT36-26A Trowel, and CRTv36-26A Trowel across multiple configurations under a single part number.
- Restored Engine Power Output — A correctly fitted crankshaft maintains proper compression stroke geometry, allowing the engine to deliver full rated power to the drum or trowel drive system.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain, so the part you receive matches what was originally installed at the factory.
The crankshaft is the central rotating component of the engine, converting the up-and-down motion of the pistons into the rotational force that powers the machine. It must maintain precise balance and dimensional integrity to keep the engine running smoothly under load — whether that load is driving the drums of a tandem roller across a freshly laid asphalt surface or spinning the trowel blades of a concrete finishing machine. When a crankshaft becomes worn, bent, or damaged at its journals, the result is typically excessive vibration, rapid bearing wear, loss of compression, or complete engine failure, making timely replacement critical to keeping the equipment in service.
Part Details
| Part Number | 5000226422 |
|---|---|
| Old Part Number | 0226422 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankshaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| CRT36-26A Trowel w/Wheel Kit | CRT36-26A | 5000621000, 5000620999, 5000621001, 5000621002 |
| CRTv 36-26A Trowel, w/Wheel Kit | CRTv36-26A | 5200008544, 5200008545, 5200008546 |
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.
