The Wacker Neuson Governor Spring is a genuine OEM component designed for the MS64A Vibratory Rammer. Sourced directly from Wacker Neuson, this part meets the same specifications as the original installed at the factory, ensuring a straight-swap replacement with no guesswork. If your rammer is hunting at idle, surging under load, or failing to hold a steady engine speed, a worn or fatigued governor spring is a common cause — and replacing it with the correct OEM part restores proper throttle response and engine regulation. Confirm your model number against the MS64A fitment before ordering to ensure this is the right spring for your machine.
Key Features
- Correct Spring Rate for Governor Control — Genuine OEM construction ensures the spring tension matches the original specification, so the governor mechanism responds accurately across the full engine speed range.
- Direct Drop-In Replacement — Engineered to connect to the same governor linkage points as the original, making installation straightforward for any technician familiar with small engine servicing.
- Built for the MS64A Vibratory Rammer — Confirmed fitment for the Wacker Neuson MS64A Rammer (model number MS64A, machine number 5200014899), so you can order with confidence.
- Restores Steady Engine Speed — A correctly tensioned governor spring keeps engine RPM stable under the variable load demands of compaction work, maintaining consistent impact force and compaction depth.
- Genuine Wacker Neuson OEM Part — Backed by Wacker Neuson's parts program, part number 5200020962 is the same component used in original assembly — not a substitute or approximation.
The governor spring is a small but critical part of the engine's speed-regulating system. It works in tension against the governor flyweights to maintain a set engine RPM, compensating automatically as load on the machine increases or decreases. When the spring stretches, loses tension, or breaks, the governor loses its ability to regulate engine speed — resulting in surging, stalling, or uncontrolled over-revving that can damage internal engine components and make the machine unsafe to operate. Replacing a fatigued governor spring promptly keeps the engine running at its intended speed and protects the broader governor assembly from wear caused by uncontrolled movement.
Part Details
| Part Number | 5200020962 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| MS64A Vibratory Rammer, 11" | MS64A | 5200014899 |
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.
