The Multiquip 305446400 Upper Motor Stopper 35W is a genuine OEM component designed for the MTR40HF trench rammer. Sourced directly from Multiquip, this part meets the exact tolerances and material specifications of the original component installed at the factory. If you're servicing an MTR40HF and need to restore proper motor positioning and impact absorption, the 305446400 is the correct replacement to spec.
Key Features
- Genuine OEM Construction: Manufactured to the same material hardness and dimensional spec as the original stopper — critical for a component that absorbs repeated impact forces in a trench rammer application.
- Direct-Fit Replacement: Designed to mount in the upper motor position on the MTR40HF without any modification to the housing or fastener pattern.
- Confirmed MTR40HF Fitment: Verified fitment for the Multiquip MTR40HF trench rammer — cross-reference part number 305446400 before ordering to confirm applicability to your serial range.
- Maintains Proper Motor Alignment: A worn or deteriorated upper motor stopper allows excess movement in the motor assembly, leading to uneven stroke behavior and accelerated wear on surrounding components.
- Operational Safety: In a high-cycle impact machine like a trench rammer, a failed stopper can result in uncontrolled motor movement — replacing this part on schedule keeps the machine operating within its designed parameters.
The upper motor stopper is a vibration-dampening and positioning component that controls the range of motion of the motor assembly within the rammer housing. On a trench rammer like the MTR40HF, the engine and compaction mechanism generate significant repetitive impact forces with every stroke — the stopper absorbs and limits that movement to keep internal components aligned and protected. When this part wears out or cracks, the motor can shift beyond its intended travel, putting stress on the engine mounts, crankcase, and drive components and causing noticeable changes in machine feel and compaction output.
Part Details
| Part Number | 305446400 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper Motor Stopper 35W |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rammers | MTR40HF |
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.
