Liber Holdings, Dale Betz Can I Interchange FHP “4L” and “5L” V-Belts with Classic “A” or “B” V-Belts? Is there a Difference in Performance? Fractional horsepower v-belts 4L and 5L (FHP) can be interchanged to the equivalent “Classical” A or B v-belt. You can also use AX or BX notched style v-belts. No... Dec 12, 2025 Knowledge
