The Multiquip 71429522550 is a genuine OEM Piston Ring Set OS=0.50 designed for Multiquip rammer and plate compactor models including MT-76D2, MT-86D2, MVC98D2, MVH150VD2, and MVH-150D2. This oversize ring set is engineered to restore proper cylinder compression in engines that have been bored to the 0.50mm oversize specification, ensuring an accurate fit against a freshly machined bore. As a genuine Multiquip OEM component, part number 71429522550 is manufactured to the same tolerances as the original rings installed at the factory. Sourced directly through authorized channels, this set gives you confidence that the rings will seat correctly and deliver the compression needed to keep your equipment running at full power.
Key Features
- Oversize-Specific Tolerancing — Manufactured to the 0.50mm oversize specification, these rings are sized to match a bored cylinder precisely, not adapted from a standard-size set.
- Genuine OEM Construction — Built to Multiquip's original material and ring-gap specifications, so compression seal integrity matches what the engine was designed to produce.
- Drop-In Fitment for Confirmed Models — Verified for MT-76D2, MT-86D2, MVC98D2, MVH150VD2, and MVH-150D2; rings install directly into a properly prepared oversize bore without further modification.
- Compression Restoration — Worn or broken piston rings allow blow-by, robbing the engine of power and causing hard starts; a correctly sized replacement set restores the combustion seal and engine output.
- Cross-Family Coverage — A single part number 71429522550 spans both Multiquip tamper rammer and vibratory plate compactor models that share the same engine bore specification, simplifying parts stocking.
Piston rings form the dynamic seal between the piston and the cylinder wall, controlling combustion pressure and regulating oil consumption within the engine. When rings wear, lose tension, or break, combustion gases escape past the piston — a condition known as blow-by — which reduces compression, increases oil burning, and causes a noticeable drop in engine power and starting performance. An oversize ring set like the Multiquip 71429522550 is used specifically after a cylinder bore has been machined to remove wear and restore a true, round surface; the larger diameter of the OS=0.50 rings matches that rebored cylinder wall to re-establish the tight combustion seal the engine requires.
Part Details
| Part Number | 71429522550 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Ring Set OS=0.50 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rammers | MT-76D2 |
| Rammers | MT-86D2 |
| Plate Compactors | MVH150VD2 |
| Plate Compactors | MVC98D2 |
| Plate Compactors | MVH-150D2 |
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.
