The Multiquip 912212101 Engine Assembly is a genuine OEM component designed for MTX70HDR and MTX80HDR rammers. As a direct OEM replacement, this assembly meets the original design and performance requirements set for these machines. Please note that part number 912212101 has been superseded — the current recommended replacement is Multiquip part number, so confirm the updated number with your supplier before ordering. Sourced directly through authorized distribution channels, the 912212101 is backed by Multiquip's OEM parts program and sold by DHS Equipment.
Key Features
- Genuine OEM Engine Assembly — Manufactured to the exact configuration required for MTX-series rammer operation, ensuring the power output and displacement match the original design intent.
- Superseded Part — Updated Reference Available — Part number 912212101 has been replaced by 912212105; verify the current number before placing your order to receive the correct assembly.
- Confirmed Rammer Fitment — Compatible with the MTX70HDR and MTX80HDR tampers, both powered by the GX120 Honda engine with diaphragm carburetor.
- Complete Drop-In Power Unit — Supplied as a full engine assembly, minimizing the number of separate components needed to restore the rammer to operational condition.
- Fuel System Integrity — As the engine assembly includes or interfaces directly with the fuel delivery system, using the correct OEM unit maintains proper carburetor-to-engine compatibility specific to the diaphragm carb configuration on HDR-suffix models.
The engine assembly is the core power unit of the rammer, converting fuel into the reciprocating force that drives the tamping shoe into the ground. On MTX-series rammers like the MTX70HDR and MTX80HDR, the engine works in direct mechanical connection with the rammer's internal drive components — if the engine loses power, runs poorly, or fails entirely, the machine cannot generate the compaction force needed for trench backfill, soil stabilization, or confined-area compaction work. Replacing a failed or damaged engine assembly with the correct OEM unit restores full rated impact energy and keeps the rammer performing to spec.
Part Details
| Part Number | 912212101 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rammers | MTX70HDR |
| Rammers | MTX80HDR |
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.
