Horsepower:

1
1 1/2
1 bhp
1-2 bhp and 1-1 bhp
1/2
2
2 -2bhp
2 2-bhp
2 2-bhp pumps
2 BHP
2 bhp
2-2 bhp
2-2bhp
2-bhp
2-bhp pump
2bhp
3
3-bhp
3bhp