The Wacker Neuson 5000116872 Square Key is a genuine OEM component designed for the RT56-SC, RT82-SC, RTx-SC2, RTLx-SC3, and RTKx-SC3 series remote-controlled vibratory trench rollers. This Square Key fits an extensive range of RT-series configurations including SC, SC2, and SC3 generation machines, covering both standard and Compatec-equipped variants. Confirming your machine's model and serial number against the fitment list before ordering ensures a direct, hassle-free installation.
Key Features
- Drop-In Drivetrain Fit — Seats directly into the existing keyway without machining or modification, restoring the shaft-to-hub connection as originally assembled.
- Broad RT-Series Coverage — Confirmed fitment across RT56-SC, RT82-SC, RT82-SC2, RTx-SC2, RTLx-SC3, and RTKx-SC3 trench roller families, including EU and Compatec-equipped models.
- Torque Transmission Integrity — A correctly fitted square key locks rotating components in precise alignment; a worn or sheared key causes slippage, vibration loss, and accelerated hub and shaft wear.
- Multi-Generation Compatibility — Spans SC, SC2, and SC3 machine generations, making this a practical stock item for contractors running mixed fleets of RT-series trench rollers.
A square key is a small but load-critical drivetrain component that fits into a machined slot — called a keyway — cut into both a shaft and the hub of a mating component such as a sprocket, pulley, or drum drive gear. Its job is to lock those two parts together rotationally so that torque from the motor or gearbox is transferred cleanly to the driven component without slippage. When a square key shears, deforms, or works loose, the shaft simply spins inside the hub — causing the driven component to stop receiving power, which on a trench roller typically results in loss of drum rotation or drive function. Replacing a damaged key promptly prevents secondary damage to the costlier shaft and hub components it connects.
Part Details
| Part Number | 5000116872 |
|---|---|
| Old Part Number | 0116872 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Square Key |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| RTKx-SC3 Trench Roller | RTK82-SC3 | 5200019257, 5200019256, 5200019255 |
| RTKx-SC3 TRENCH ROLLER,GRN | RTKx-SC3 | 5200019258, 5200019259, 5100018517, 5100018518, 5100034371, 5100037397, 5100039613, 5100052335, 5100052334, 5100052337, 5100052336, 5100052333 |
| RTL82-SC3 ROLLER,SMOOTH DRUM | RTL82-SC3 | 5200019234, 5200019238, 5200019236, 5200019233, 5200019237, 5200022541, 5200019235, 5200019239, 5200019232 |
| RTLx-SC3 TRENCH ROLLER,GRN | RTLx-SC3 | 5200019251, 5200019250, 5200019254, 5200019252, 5100018515, 5100018516, 5200019253, 5100038346, 5100045091, 5100052332, 5100052269 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018329, 5200018044 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5200008540, 5100052330 |
| Vibratory Trench Roller | RT560 | 5000009001, 5000009000 |
| Vibratory Trench Roller | RT820 | 5000009003, 5000009002 |
| Vibratory Trench Roller | RT82-SC | 5000009025, 5000620365, 5000620324, 5000620353, 5000620482, 5000620480, 5000620481 |
| Vibratory Trench Roller | RT56-SC | 5000009026, 5000620366 |
| Vibratory Trench Roller | RT56-SC2 | 5000620294, 5000620368 |
| Vibratory Trench Roller | RT82-SC2 | 5000620530, 5000620367, 5000620293, 5000620528, 5000620529, 5000620525, 5000620526, 5000620527 |
| Vibratory Trench Roller | RT56-SC2 EU | 5000620844 |
| Vibratory Trench Roller | RT82-SC2 EU | 5000620845, 5200003107 |
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.
