The B series is a vertical shaft gearbox with the input shaft and output shaft at 90 degrees The helical gear capacity calculation standards comply with GB/T3480, DIN 3990, and ISO 6336, while the bevel gear load capacity calculation meets DIN 3991 and ISO 10300. The gearbox features high nominal torque capacity, with helical gear pairs and bevel gear pairs achieving grade 6 tooth accuracy. It also uses low-noise profiling technology to ensure smooth engagement. The craftsmanship in assembly operations ensures high assembly precision. The gearbox can be installed horizontally or vertically, with other installation types available upon customer request.