The Wacker Neuson Connecting Rod Nut is a genuine OEM component designed for the RD11AEC and RD11A hydrostatic double drum vibratory rollers. Sourced directly from Wacker Neuson, this nut meets the exact torque and dimensional specifications required for proper connecting rod retention in these tandem roller engines. Genuine OEM designation means this is the same part used in original production, ensuring a correct fit within the engine assembly. If you are servicing or rebuilding the engine on your RD11A or RD11AEC roller, using part number is the straightforward way to maintain the integrity of the repair.
Key Features
- Correct Thread Specification — Manufactured to the exact thread pitch and torque rating required for connecting rod fastening in the RD11A and RD11AEC engine, preventing under- or over-torque failures.
- Genuine OEM Component — Produced to Wacker Neuson's original engineering standards, meaning no dimensional guesswork and no risk of mismatched hardware during reassembly.
- Direct Engine Assembly Fit — Drops into the existing connecting rod position without modification, maintaining correct bearing clearance and rod alignment during reinstallation.
- Protects Engine Integrity — A properly torqued connecting rod nut keeps the rod cap secured to the crankshaft journal; a loose or failed nut risks catastrophic internal engine damage to your roller.
- Confirmed Fitment — Verified for the RD11AEC and RD11A hydrostatic double drum vibratory rollers, so you can order with confidence for your specific machine.
The connecting rod nut is a critical fastener that secures the connecting rod cap to the crankshaft journal inside the engine. It works in tandem with the connecting rod bolt to clamp the rod bearing in place, allowing the piston to transfer force to the crankshaft smoothly and consistently. If this nut loosens, stretches beyond its service limit, or fails entirely, the result is loss of clamping force at the rod cap — which can lead to bearing damage, crankshaft scoring, or complete engine failure, taking the roller out of service entirely.
Part Details
| Part Number | 5000151889 |
|---|---|
| Old Part Number | 0151889 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Connecting Rod Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
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.
