Cat Reman reaction hubs such as part # 20R2845 are designed to withstand the forces of high torque and impact loads, and to work as a system to deliver smooth, reliable operation. Cat Reman reaction hub retains the spindle bearing and centers the wheel spindle to the ring gear and planetary carrier in the final drive. We use our state-of-the-art salvage techniques, advanced manufacturing systems and quality control to return viable components to like new condition. Each unit is rigorously tested against original specifications, so you know you’re getting genuine Caterpillar reliability.Attributes:• You're buying less downtime and lower repair bills, helping you reduce owning and operating costs.• Cat Reman reaction hubs provide like new performance and reliability at fraction-of-new costs with return of a qualifying core, while reducing the impact on the environment compared to buying new.• Cat Remandrivetrain products are covered with a same-as-new, 12-month Caterpillar Limited Warranty 1 against Caterpillar defects in material and/or workmanship.• Cat Reman offers drop-in solution.1 Warranty can vary by model and application; limitations apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.