BLH40 Single Shaft Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHT40 Single Shaft Input - Double Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLH40 Single Shaft Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHT40 Single Shaft Input - Double Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHI40 Bore Input - Single Shaft Output 1:1 & 2:1 Spiral Bevel Gearbox BLHO40 Single Shaft Input - Bore Output 1:1 & 2:1 Spiral Bevel Gearbox BLHB40 Bore Input - Bore Output 1:1 & 2:1 Spiral Bevel Gearbox BLHM40 Single Shaft Input - Counter-Rotating Output Shafts 1:1 & 2:1 Spiral Bevel Gearbox