The Multiquip 912210021 Engine GX100RTKRCF is a genuine OEM engine designed for Multiquip MTX-series rammers, including the MTX50HD, MTX60HD, and MTX70HD. As a direct OEM replacement sourced from Multiquip, this engine is built to the exact specifications required for reliable tamping performance in the field. Please note that Multiquip has superseded this part — the current replacement is part number, so confirm the updated number when ordering.
Key Features
- Genuine OEM Engine Spec: — Supplied to Multiquip's exact output and displacement spec for the GX100 platform, ensuring the rammer cycles at the correct impact rate and force.
- Direct Bolt-In Replacement: — Engineered to mount directly into the MTX50HD, MTX60HD, and MTX70HD rammer frame without modification to mounting hardware or drive components.
- MTX-Series Rammer Fitment: — Confirmed for MTX50HD, MTX60HD, and MTX70HD; verify the superseded part number 912210045 is the current active listing before placing your order.
- Restored Compaction Output: — A worn or seized engine causes loss of impact energy and inconsistent blow frequency; this replacement restores full tamping force for proper soil and granular compaction.
- Fuel System Compatibility: — Built with a diaphragm carburetor configuration (HD suffix), suited for operation at varied angles and orientations common in trench and slope compaction work.
The GX100 engine is the power source that drives the rammer's internal spring-and-piston exciter mechanism, converting rotational crankshaft motion into the rapid up-and-down impact strokes that compact soil, gravel, and granular fill. Without a correctly functioning engine, the rammer cannot develop consistent blow frequency or sufficient foot force, leading to under-compaction and failed density tests. A failed or worn engine must be replaced with the correct OEM unit to restore proper machine operation and meet compaction specifications on the job.
Part Details
| Part Number | 912210021 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine GX100RTKRCF |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rammers | MTX50HD |
| Rammers | MTX70HD |
| Rammers | MTX60HD |
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.
