The Bomag 31791098 Spacer Disk is a genuine OEM component designed for BW 170 AD, BW 174 AC, BW 174 AC AM, BW 174 AD, and BW 174 AD AM tandem rollers. Sourced directly from Bomag, this spacer disk matches the original specification for a drop-in installation with no guesswork. Confirmed fitment across the BW 170 and BW 174 tandem roller series means you can order with confidence that part number 31791098 is the correct replacement for your machine.
Key Features
- Genuine OEM Dimensional Accuracy — manufactured to Bomag's original tolerances, ensuring the correct spacing and alignment critical to proper drivetrain or drum assembly function
- Direct Replacement Fit — installs in place of the original spacer disk without modification, maintaining the correct stack height and component positioning
- Broad Tandem Roller Coverage — fits BW 170 AD, BW 174 AC, BW 174 AC AM, BW 174 AD, and BW 174 AD AM tandem rollers, covering multiple variants within the BW 174 series
- Preserves Assembly Integrity — maintains correct clearances between mating components, preventing premature wear on adjacent parts caused by improper spacing
- OEM Part Number Assurance — verified as Bomag part number 31791098, eliminating the risk of sourcing an incompatible substitute for your tandem roller
A spacer disk is a precision-machined component used to set and maintain the correct axial distance or clearance between two mating parts within an assembly — such as a drum drive, axle, or gearbox. By holding components at the correct spacing, it prevents lateral movement, uneven load distribution, and accelerated wear on bearings, gears, or seals. When a spacer disk wears down, becomes damaged, or is missing, surrounding components can shift out of alignment, leading to vibration, noise, and premature failure of the larger assembly.
Part Details
| Part Number | 31791098 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Spacer Disk |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 170 AD | 00817498 |
| Tandem Roller | BW 174 AC | 00817499 |
| Tandem Roller | BW 174 AC AM | 00817500 |
| Tandem Roller | BW 174 AD | 00817501 |
| Tandem Roller | BW 174 AD AM | 00817502 |
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.
