The Bomag 54020402 Floating Wrist Pin is a genuine OEM component designed for Bomag BT-series tampers, including the BT 58, BT 65, BT 65/4, BT 68, BT 70, BT 75, BT 80 D, and BT 80 D - Torso. Sourced directly from Bomag, this pin meets the exact tolerances required for proper piston-to-connecting-rod articulation in these rammers. When your tamper shows signs of piston slap, uneven stroke, or internal wear, replacing this component with a genuine OEM part is the correct first step to restoring full operating performance.
Key Features
- Genuine OEM Precision Tolerance — machined to Bomag's exact dimensional specifications for the floating pin bore, ensuring correct clearance between the piston and connecting rod without binding or excessive play
- Direct Drop-In Replacement — engineered to install into the piston assembly of BT-series tampers without modification, matching the original pin diameter, length, and surface hardness
- Broad BT-Series Coverage — fits the BT 58, BT 65, BT 65/4, BT 68, BT 70, BT 75, BT 80 D, and BT 80 D - Torso tampers, making part number 54020402 a versatile stocking item for fleets running multiple Bomag rammers
- Restored Strike Consistency — a correctly fitted wrist pin maintains the designed stroke geometry, keeping impact force and compaction output consistent across every blow of the tamper
- Engine Protection — worn or seized wrist pins accelerate wear on the piston, cylinder wall, and connecting rod; replacing this part at first sign of failure prevents more costly internal engine damage
The wrist pin — also called a piston pin — connects the piston to the small end of the connecting rod inside the engine, allowing both components to pivot freely as the piston travels up and down through each compression and power stroke. In a floating-pin design, the pin is free to rotate within both the piston boss and the connecting rod eye, distributing friction and heat evenly across the full pin surface rather than concentrating wear at a single point. When this pin wears out of round, develops scoring, or becomes loose in its bores, the piston assembly loses precise alignment, resulting in increased vibration, loss of compression, and accelerated wear on surrounding engine components — all of which degrade the tamper's compaction output and can lead to more extensive internal repairs if left unaddressed.
Part Details
| Part Number | 54020402 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Floating Wrist Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tamper | BT 58 | 00813209, 00813216, 00811598, 00813217, 00813214, 00813218, 00813219, 00813221, 00811613 |
| Tamper | BT 65 | 00817452, 00813230, 00813231 |
| Tamper | BT 65/4 | 00817453, 00818017, 00818199, 00818601, 00818739, 00818785, 00818833, 00824171, 00824343 |
| Tamper | BT 75 | 00817454, 00813235, 00811620 |
| Tamper | BT 80 D | 00817455, 00818735, 00825495, 00811621 |
| Tamper | BT 68 | 00811597, 00811599, 00811609, 00811610, 00811611, 00811612, 00811614, 00811615 |
| Tamper | BT 70 | 00813206, 00811623 |
| Tamper | BT 80 D - Torso | 00811622 |
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.
