The Wacker Neuson Rocker Arm Complete is a genuine OEM component designed for the RTLx-SC3 and RTL82-SC3 series trench and smooth drum rollers. Sourced directly from Wacker Neuson, this assembly meets the same specifications as the part originally installed at the factory, so you get a correct, like-for-like replacement every time. Compatibility extends across multiple RTLx-SC3 and RTx-SC2 EU configurations, including Compatec-equipped models, making the right call for a wide range of Wacker Neuson roller variants.
Key Features
- Genuine OEM Valve Train Geometry — Built to the exact pivot dimensions and surface hardness specs of the original, preserving correct valve lift and timing across the engine's operating range.
- Drop-In Assembly Replacement — Supplied as a complete rocker arm assembly, so it installs directly onto the existing rocker shaft without sourcing separate sub-components.
- Broad RTLx-SC3 and RTL82-SC3 Coverage — Fits a wide range of RTLx-SC3 trench rollers, RTL82-SC3 smooth drum rollers, and RTx-SC2 EU models, including Compatec-equipped configurations.
- Sustained Engine Power Output — A correctly functioning rocker arm transfers camshaft motion to the valves with precision; a worn or failed rocker causes misfires, loss of compression, and reduced compaction performance in the field.
- Long-Term Wear Resistance — As a genuine Wacker Neuson part, the contact surfaces and pivot bore are machined and heat-treated to resist the repetitive high-load cycling typical of compact roller engine applications.
The rocker arm is a critical link in the engine's valve train, converting the rotational motion of the camshaft into the up-and-down movement that opens and closes the intake and exhaust valves. On compact trench and drum rollers like the RTLx-SC3 series, the engine works hard under sustained load, placing consistent stress on rocker arm pivot points and contact pads. When a rocker arm wears or fails, valve timing is disrupted, leading to rough running, power loss, or an engine that won't start — replacing it promptly with a correct, complete assembly like the 5100042197 restores proper valve operation and keeps the machine compacting at full capacity.
Part Details
| Part Number | 5100042197 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rocker Arm Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RTLx-SC3 TRENCH ROLLER,GRN | RTLx-SC3 | 5200019251, 5200019250, 5200019254, 5200019252, 5100018515, 5100018516, 5100038346, 5100045091, 5100052332, 5100052269 |
| RTL82-SC3 ROLLER,SMOOTH DRUM | RTL82-SC3 | 5200019234 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5100052330 |
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.
