The Wacker Neuson Crankcase Complete is a genuine OEM Crankcase Complete designed for the RD12A-90 Tandem Roller and CRT36-26A Trowel series. As a factory-sourced assembly, this component meets the exact engineering tolerances specified for the original engine build, ensuring a drop-in fit without improvised adaptation. It is also confirmed compatible with CRTv36-26A Trowel models, covering multiple configuration variants across all three machine series. When the crankcase shows wear, cracking, or seal failure, replacing it with the correct OEM assembly protects the engine's internal components and keeps the machine running at full rated output.
Key Features
- OEM-Matched Housing Integrity — Manufactured to the precise bore dimensions and material grade specified by Wacker Neuson, ensuring correct sealing surface contact and pressure retention throughout the engine assembly.
- Complete Assembly, Ready to Install — Supplied as a complete crankcase unit, so mating surfaces, threaded bosses, and mounting points are pre-aligned and ready for direct engine installation.
- Broad Series Coverage — Fits RD12A-90 Tandem Rollers (including Foldable ROPS variants), CRT36-26A Trowels, and CRTv36-26A Trowels across multiple build configurations.
- Engine Protection at the Core — A correctly sealed crankcase maintains oil pressure and prevents contamination ingress; a failed or cracked crankcase leads to rapid internal engine wear and unplanned downtime.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain under part number 5000226406, so you can be confident it is the correct replacement for your specific machine build.
The crankcase is the structural foundation of the engine — it houses the crankshaft, supports the cylinder bore, and contains the lubrication oil that keeps all moving parts protected under load. A sound crankcase maintains the oil-tight environment the engine depends on; any crack, warped sealing surface, or thread damage compromises oil retention and can allow dirt and moisture into the engine internals. When the crankcase is damaged or worn beyond serviceable limits, replacing it with a complete, correctly dimensioned assembly is the only reliable way to restore engine integrity and prevent accelerated wear to the crankshaft, bearings, and piston assembly.
Part Details
| Part Number | 5000226406 |
|---|---|
| Old Part Number | 0226406 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankcase Complete |
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.
