The Wacker Neuson 5100031844 is a genuine OEM Rocker Arm designed for the RD7Ye and RD10Yehf series walk-behind tandem rollers. Sourced directly from Wacker Neuson, this part carries the exact specifications required to restore proper valve train operation across the RD7Ye, RD7Yeh, RD7Yehf, RD7Yehfb, and RD10Yehf LRC model families. As a genuine OEM component, the 5100031844 is manufactured to the same tolerances as the original part installed at the factory, ensuring correct geometry and contact with the valve stem and camshaft lobe. Confirm your machine's model and serial number against the fitment list before ordering to ensure this is the right rocker arm for your roller.
Key Features
- Genuine OEM Valve Train Geometry — Manufactured to exact pivot-point and contact-surface specifications, maintaining the correct rocker ratio for consistent valve lift and timing.
- Direct Drop-In Replacement — Engineered to match the original mounting bore, contact pad profile, and adjuster thread, so installation follows standard valve train reassembly procedure without rework.
- Broad RD7 and RD10 Series Coverage — Fits RD7Ye, RD7Yeh, RD7Yehf, RD7Yehfb (in both LRC and HRC configurations), and the RD10Yehf LRC walk-behind tandem rollers.
- Protects Engine Performance Under Load — A correctly seated rocker arm ensures full valve stroke so the engine maintains compression and power output during sustained compaction passes on asphalt and soil.
- Wear-Resistant Contact Surface — The hardened contact pad resists the repeated impact and friction of continuous valve actuation, extending the service interval between valve train inspections.
The rocker arm is a pivoting lever in the engine's valve train that transfers motion from the camshaft — via the pushrod — to open and close the intake and exhaust valves in the cylinder head. It acts as a mechanical amplifier, converting the camshaft's rotational movement into the precise linear motion needed to operate the valves at the correct timing and lift. When a rocker arm wears at its contact pad or pivot point, valve lift becomes inconsistent, leading to loss of compression, rough running, increased fuel consumption, and in severe cases, valve train noise or engine damage. Replacing a worn or damaged rocker arm restores proper valve timing and protects the engine from further wear across all operating conditions.
Part Details
| Part Number | 5100031844 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rocker Arm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7Ye Tandem Roller | RD7Ye | 5100027116, 5100027117, 5100038032, 5100048340 |
| RD7Yehf HRC | RD7Yehf HRC | 5100006337, 5100006341 |
| RD7Yeh LRC | RD7Yeh LRC | 5100006335 |
| RD7Yeh HRC | RD7Yeh HRC | 5100006467, 5100006336 |
| RD7Yehfb LRC | RD7Yehfb LRC | 5100006345 |
| RD7Yehf LRC | RD7Yehf LRC | 5100006340 |
| RD7Yehfb HRC | RD7Yehfb HRC | 5100006346 |
| RD10Yehf LRC | RD10Yehf LRC | 5100070502 |
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.
