The Multiquip 12000Z0D405 is a genuine OEM Cylinder Barrel Assembly for the GX100 engine, designed for MTX and MTR series rammers as well as the MVC40H plate compactor. Sourced directly from Multiquip, this assembly matches the original component specification and installs as a direct replacement. Confirmed fitment includes the MTX70HF, MTX70HD, MTX60HF, MTX60HD, MTX50HD, MTR40HF, and MVC40H — verify your model code before ordering to ensure an exact match. When engine internals are at spec, the machine delivers the consistent impact force and cycle rate that rammer and compactor work demands.
Key Features
- Genuine OEM Cylinder Bore Integrity — Manufactured to the original bore diameter and surface finish tolerances of the GX100 engine, ensuring correct piston-to-wall clearance and compression retention.
- Direct Engine Replacement — Bolts into the GX100 engine block position on affected models without machining or fitment modification, restoring the engine's original architecture.
- Broad Rammer and Compactor Fitment — Compatible with MTX70HF, MTX70HD, MTX60HF, MTX60HD, MTX50HD, and MTR40HF rammers, as well as the MVC40H plate compactor.
- Restores Full Compression and Power Output — A worn or scored cylinder barrel causes compression loss, rough running, and reduced impact energy; replacing it brings the engine back to full operating output.
- Genuine Multiquip Part — Supplied under part number 12000Z0D405 with OEM traceability, so the component meets the same standards as the part it replaces.
The cylinder barrel is the core bore of the engine block — it is the precision-machined sleeve that guides the piston through its compression and power strokes. On GX100-powered rammers and plate compactors, the condition of the barrel directly determines how much compression the engine builds, which in turn controls throttle response and impact force at the foot or plate. Over time, heat cycling, abrasive dust, and normal wear cause the bore surface to score or go out of round, leading to blow-by, oil consumption, hard starting, and a noticeable drop in compaction performance. Replacing the cylinder barrel assembly restores the tight piston-to-wall fit the engine needs to run cleanly and deliver full output on the jobsite.
Part Details
| Part Number | 12000Z0D405 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cylinder Barrel Assembly GX100 HC-6727564 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rammers | MTX70HF |
| Rammers | MTX60HF |
| Rammers | MTR40HF |
| Plate Compactors | MVC40H |
| Rammers | MTX50HD |
| Rammers | MTX60HD |
| Rammers | MTX70HD |
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.
