Wacker Neuson 5100077902 Retrofit Kit Coupling

The Wacker Neuson Retrofit Kit Coupling is a genuine OEM component designed for the BS50, BS60, BS70, BS65, and BS72 series rammers, covering both 2-stroke and 4-stroke As models across 6-inch and 11-inch configurations. As a factory-authorized part, the is manufactured to the same standards as the original component, ensuring a correct and consistent installation every time. This retrofit kit coupling is engineered to fit a broad range of Wacker Neuson rammer models — including US, standard, and CN market variants — making it a versatile service part for dealers and rental fleets alike. When it comes to drivetrain reliability on your compaction equipment, specifying the correct OEM part is the most direct path to restored performance.

Key Features

• Genuine OEM Coupling Integrity — Manufactured by Wacker Neuson to the same dimensional and material specifications as the original coupling, ensuring consistent torque transmission at the drivetrain connection point.
• Retrofit-Ready Design — Engineered as a retrofit solution, this kit installs directly onto existing rammer assemblies without requiring additional machining or adapter hardware.
• Broad Rammer Series Compatibility — Fits BS50, BS60, BS65, BS70, and BS72 series rammers in 2-stroke and 4-stroke As configurations, including US, standard, and CN market builds with 6-inch and 11-inch shoe sizes.
• Drivetrain Power Transfer — A correctly functioning coupling ensures full engine power is transferred to the rammer's exciter mechanism; a worn or damaged coupling results in erratic compaction strokes and reduced impact energy.
• Verified Part Number 5100077902 — Cross-reference against your machine's serial number and model designation before ordering to confirm fitment across the wide range of supported BS-series variants.

The coupling in a rammer connects the engine output to the exciter or gear drive mechanism that produces the machine's compaction stroke. It acts as the mechanical link that translates rotational engine power into the reciprocating impact force the rammer delivers to the ground. When a coupling wears, cracks, or fails, the energy transfer becomes inconsistent — leading to weak or irregular compaction, increased vibration through the machine frame, and potential damage to surrounding drivetrain components. Replacing a failed coupling promptly with the correct OEM part restores the rammer's rated impact performance and protects the integrity of connected components.

Part Details

Compatibility & Fitment

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.