The ServoCity 5103 Series Planetary Gearbox (13.7:1 Ratio, 24mm Length 8mm REX™ Shaft) serves as a direct replacement for the gearbox in the 5203-2402-0014 Yellow Jacket Planetary Gear Motor. This gearbox is designed with a robust 8mm REX™ output shaft, ensuring compatibility with various 8mm REX™ components. It features the goBILDA pattern on its face, which facilitates easy integration into existing systems. Additionally, the gearbox includes clearance cuts to accommodate nearby components, enhancing its versatility and ease of use. The design and construction of this gearbox are protected by an IP patent, ensuring its uniqueness and reliability.