Description
Polaris Xpedition NorthStar & Ultimate Transmission Rebuild Service
This is a build core transmission service for 2024–2026 Polaris Xpedition ADV, ADV 5, XP, and XP 5 NorthStar and Ultimate models. You send your transmission core to REV6, and our team rebuilds it using a structured inspection, remanufacturing, and quality control process.
Because these transmissions are rebuilt from customer cores, work begins after your transmission arrives and completes inspection. Build core orders do not require a core deposit.
What Your Transmission Rebuild Includes
- Full transmission core inspection
- Complete teardown and cleaning
- Master technician inspection of transmission components
- Bearings cleaned, inspected, and upgraded as needed
- Installation of upgraded HD pinion plate
- Precision lash and mesh setup to specification
- Final quality control inspection before shipment
Every transmission is rebuilt to support dependable operation, smoother engagement, and long-term durability.
Available Performance Upgrade Options
Many riders choose to customize their transmission while it is already apart.
- 12% gear reduction
- 24% gear reduction
- 26% gear reduction
- Upgraded double-wide reverse chain
If you are unsure which setup fits your riding style, tire size, elevation, workload, or terrain, Contact REV6 and our team can help guide your build.
How the Build Core Process Works
Place your order
- Send your transmission core to REV6
- Transmission inspection and approval
- Transmission remanufacturing and upgrades
- Final quality control verification
- Transmission ships back, ready for installation
Our goal is to make the process straightforward while helping reduce downtime.
Need Engine or Parts Support?
If your project includes more than transmission work, browse Polaris engines, rebuild kits, and parts.
Review our Warranty Policy, visit the Help Center, or contact REV6 if you have questions about fitment, turnaround time, or upgrade selection.
For larger rebuild projects, explore our financing options. You can also visit the REV6 Blog for technical rebuild information and maintenance resources.
Take Action
Send in your 2024–2026 Polaris Xpedition ADV / XP NorthStar and Ultimate transmission core and let REV6 rebuild it to match your machine goals. Nationwide support and upgrade options are available.
Thank you for choosing REV6 — trusted by riders nationwide for Powersports transmissions, engines, and parts. Veterans and servicemember discounts are available.












