The Wacker Neuson 5100011649 is a genuine OEM Coupling designed for the RD40-130 and RD45-140 series tandem rollers. Sourced directly from Wacker Neuson, this coupling carries the same part number and meets the same specifications as the original component installed at the factory. Fitment covers a wide range of RD40-130 and RD45-140 variants, including standard, C, O, and.3-suffix configurations in both US and international specs. When you need a confirmed replacement, matching the part number 5100011649 to your machine's serial tag is the fastest way to verify compatibility.
Key Features
- Genuine OEM Construction: — Manufactured to the exact tolerances and material specifications of the original coupling, ensuring correct torque transfer and mechanical engagement within the drivetrain.
- Direct-Fit Replacement: — Matches the original mounting interface and dimensions so the coupling installs into the existing housing without modification to surrounding components.
- Broad RD Series Compatibility: — Confirmed fitment across RD40-130 and RD45-140 tandem roller variants, including standard, C, O, and .3-suffix models in both US and international configurations.
- Restored Power Transmission: — A worn or failed coupling causes loss of drive engagement between rotating assemblies, leading to erratic drum operation or complete loss of propulsion; replacing it restores smooth, consistent power delivery.
- Verified Part Number: — Ordering by Wacker Neuson part number 5100011649 eliminates guesswork and cross-reference errors, especially across the many RD40-130 and RD45-140 sub-variants.
A coupling connects two rotating shafts or drive components, transmitting torque from one assembly to the next while accommodating minor misalignment and absorbing vibration. In a tandem roller like the RD40-130 and RD45-140, the coupling plays a direct role in transferring power from the drive system to the drum or propulsion assembly, keeping both drums operating in sync. When a coupling wears, cracks, or fails, the result is slippage, vibration, or a complete loss of drive — any of which can halt compaction work and risk damage to adjacent drivetrain components.
Part Details
| Part Number | 5100011649 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD40-130 Tandem Roller | RD40-130 | 5100011391 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
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.
