The Bomag 31901941 Ring Expander is a genuine OEM component designed for BW 24 R and C 560 B pneumatic tyred rollers. Sourced directly from Bomag, this ring expander is manufactured to the same specifications as the original part, ensuring a correct, direct fit with no guesswork. It is the right choice for operators and service technicians who need a dependable, like-for-like replacement that restores proper function to the tire and wheel assembly. Confirm your machine model against the fitment data before ordering to ensure compatibility.
Key Features
- Genuine OEM Precision — manufactured by Bomag to exact dimensional tolerances required for proper ring seating and consistent radial expansion, eliminating the risk of fitment gaps or ring distortion
- Direct-Fit Replacement — this ring expander is engineered to install in place of the original component without modification, restoring the wheel assembly to its designed operating condition
- Confirmed Fitment — compatible with Bomag BW 24 R and C 560 B pneumatic tyred rollers, covering both machines in this equipment class
- Restored Compaction Performance — a correctly functioning ring expander maintains proper tire seating and uniform contact pressure across the drum, which is critical for consistent asphalt and surface compaction results
- OEM Part Number Integrity — ordering by part number 31901941 guarantees you receive the correct Bomag-specified component, avoiding costly errors from mismatched aftermarket substitutes
A ring expander is a mechanical component used in the wheel and tire assembly of pneumatic tyred rollers to seat and secure the tire bead ring, ensuring the tire maintains correct shape and contact pressure during operation. On machines like pneumatic tyred rollers, where even tire contact across the surface is fundamental to compaction quality, a worn or damaged ring expander can lead to uneven tire seating, loss of compaction uniformity, and accelerated tire wear. Replacing a failed ring expander promptly keeps the tire assembly functioning as designed and helps maintain the consistent ground contact that pneumatic rollers depend on.
Part Details
| Part Number | 31901941 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Ring Expander |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Pneumatic Tyred Roller | BW 24 R | 00817552, 00817854 |
| Pneumatic Tyred Roller | C 560 B | 00817598 |
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.