The Multiquip 71425022502 Piston Ring Set is a genuine OEM component designed for MT76D and MT-86D rammers. As a direct OEM replacement, this set meets the original design specifications for these tamper models, ensuring a proper fit within the engine cylinder without adaptation. Sourced directly through Multiquip's authorized parts network, the part is the correct service part to specify when rebuilding or restoring engine compression on MT76D and MT-86D units. When you need to get your rammer back to full operating condition, using the right piston ring set is the starting point.
Key Features
- Genuine OEM Compression Integrity — Each ring in the set is manufactured to the original bore tolerances for the MT76D and MT-86D engine, maintaining the cylinder seal needed for consistent combustion pressure.
- Drop-In Engine Fit — Engineered to match the original piston groove dimensions, allowing straightforward installation during a top-end engine rebuild without re-machining or modification.
- Confirmed Fitment for MT76D and MT-86D Rammers — Verified for use on Multiquip MT76D and MT-86D tamper models; always cross-reference your part number before ordering.
- Restores Lost Power and Stroke Energy — Worn or broken piston rings allow blow-by, robbing the rammer of the combustion force it needs to drive the foot with full impact energy. A fresh ring set brings stroke output back to spec.
- Fuel Efficiency Maintained — Properly seated rings prevent unburned fuel from bypassing the combustion chamber, keeping fuel consumption in line with the machine's original operating profile.
Piston rings form a dynamic seal between the piston and the cylinder wall, containing combustion gases above the piston while controlling the thin film of oil below it. In a rammer engine, this seal is critical — the machine relies on repeatable, high-pressure combustion events to drive the impact mechanism at the correct frequency and force. When rings wear, score, or break, combustion gases escape past the piston, causing a drop in power, increased oil consumption, excessive smoke, and hard starting. Replacing the piston ring set at the correct service interval or at first sign of compression loss is the most cost-effective way to restore full tamping performance before further cylinder wear occurs.
For fitment questions or to confirm this part is correct for your specific unit, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 71425022502 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rammers | MT76D |
| Rammers | MT-86D |
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.