The Multiquip 28451ZDJ003 Starter Pulley is a genuine OEM component designed for MTX70HDR and MTX80HDR rammers. Sourced directly through Multiquip's authorized parts program, this pulley is built to the same specification as the original part fitted at the factory. It is a direct replacement for the GXR120RTKRB6 engine application found on these HDR-series tampers, ensuring correct engagement with the recoil starter assembly. If your rammer is showing signs of a worn or damaged starter pulley — such as rough cord pull, slipping, or failure to return — part number 28451ZDJ003 is the correct replacement to restore full function.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specification for the starter pulley, ensuring proper cord wrap depth and hub engagement with the GXR120RTKRB6 engine.
- Direct Drop-In Replacement — Mounts to the existing recoil starter housing without alteration, using the same bolt pattern and hub geometry as the original pulley.
- Confirmed Fitment for HDR-Series Rammers — Verified for use on MTX70HDR and MTX80HDR tampers, Multiquip's GX120-powered, diaphragm-carburetor rammer models.
- Consistent Recoil Performance — A properly seated starter pulley maintains even cord tension and smooth pull resistance, so the engine cranks reliably on every pull cycle.
- OEM Part Number Traceability — Sold under the exact Multiquip part number 28451ZDJ003, eliminating guesswork when cross-referencing your service manual or parts diagram.
The starter pulley is the grooved wheel inside the recoil starter housing that the starter cord winds around. When you pull the cord, the pulley spins and engages the engine's crankshaft to initiate combustion. A return spring drives the pulley back and retracts the cord once released. Over time, the pulley can crack, wear down its cord groove, or lose its hub fit, resulting in a cord that slips, won't retract, or pulls unevenly. Replacing a worn pulley restores the clean, consistent pull stroke that a rammer depends on to start quickly and get back to work on the trench.
Part Details
| Part Number | 28451ZDJ003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Starter Pulley |
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.
