BLH30 Single Shaft Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHT30 Single Shaft Input - Double Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLH30 Single Shaft Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHT30 Single Shaft Input - Double Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHI30 Bore Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHO30 Single Shaft Input - Bore Output 1:1 & 2:1 Spiral Bevel Gearbox BLHB30 Bore Input - Bore Output 1:1 & 2:1 Spiral Bevel Gearbox BLHM30 Single Shaft Input - Counter-Rotating Output Shafts 1:1 & 2:1 Spiral Bevel Gearbox