There are three different series of the Fractional Horsepower V-Belts. They are the 3L, 4L and 5L series. Below is the 4L series. Click 3L and 5L to see those series.
| 4L150 | Fractional Horsepower V-Belt 4L150 Outside Length 15" |
| 4L160 | Fractional Horsepower V-Belt 4L160 Outside Length 16" |
| 4L170 | Fractional Horsepower V-Belt 4L170 Outside Length 17" |
| 4L180 | Fractional Horsepower V-Belt 4L180 Outside Length 18" |
| 4L190 | Fractional Horsepower V-Belt 4L190 Outside Length 19" |
| 4L200 | Fractional Horsepower V-Belt 4L200 Outside Length 20" |
| 4L210 | Fractional Horsepower V-Belt 4L210 Outside Length 21" |
| 4L220 | Fractional Horsepower V-Belt 4L220 Outside Length 22" |
| 4L230 | Fractional Horsepower V-Belt 4L230 Outside Length 23" |
| 4L240 | Fractional Horsepower V-Belt 4L240 Outside Length 24" |
| 4L250 | Fractional Horsepower V-Belt 4L250 Outside Length 25" |
| 4L260 | Fractional Horsepower V-Belt 4L260 Outside Length 26" |
| 4L270 | Fractional Horsepower V-Belt 4L270 Outside Length 27" |
| 4L280 | Fractional Horsepower V-Belt 4L280 Outside Length 28" |
| 4L290 | Fractional Horsepower V-Belt 4L290 Outside Length 29" |
| 4L300 | Fractional Horsepower V-Belt 4L300 Outside Length 30" |
| 4L310 | Fractional Horsepower V-Belt 4L310 Outside Length 31" |
| 4L320 | Fractional Horsepower V-Belt 4L320 Outside Length 32" |
| 4L330 | Fractional Horsepower V-Belt 4L330 Outside Length 33" |
| 4L340 | Fractional Horsepower V-Belt 4L340 Outside Length 34" |
| 4L350 | Fractional Horsepower V-Belt 4L350 Outside Length 35" |
| 4L360 | Fractional Horsepower V-Belt 4L360 Outside Length 36" |
| 4L370 | Fractional Horsepower V-Belt 4L370 Outside Length 37" |
| 36" | Fractional Horsepower V-Belt 4L380 Outside Length 38" |
| 4L390 | Fractional Horsepower V-Belt 4L390 Outside Length 39" |
| 4L400 | Fractional Horsepower V-Belt 4L400 Outside Length 40" |
| 4L410 | Fractional Horsepower V-Belt 4L410 Outside Length 41" |
| 4L420 | Fractional Horsepower V-Belt 4L420 Outside Length 42" |
| 4L430 | Fractional Horsepower V-Belt 4L430 Outside Length 43" |
| 4L440 | Fractional Horsepower V-Belt 4L440 Outside Length 44" |
| 4L450 | Fractional Horsepower V-Belt 4L450 Outside Length 45" |
| 4L460 | Fractional Horsepower V-Belt 4L460 Outside Length 46" |
| 4L470 | Fractional Horsepower V-Belt 4L470 Outside Length 47" |
| 4L480 | Fractional Horsepower V-Belt 4L480 Outside Length 48" |
| 4L490 | Fractional Horsepower V-Belt 4L490 Outside Length 49" |
| 4L500 | Fractional Horsepower V-Belt 4L500 Outside Length 50" |
| 4L510 | Fractional Horsepower V-Belt 4L510 Outside Length 51" |
| 4L520 | Fractional Horsepower V-Belt 4L520 Outside Length 52" |
| 4L530 | Fractional Horsepower V-Belt 4L530 Outside Length 53" |
| 4L540 | Fractional Horsepower V-Belt 4L540 Outside Length 54" |
| 4L550 | Fractional Horsepower V-Belt 4L550 Outside Length 55" |
| 4L560 | Fractional Horsepower V-Belt 4L560 Outside Length 56" |
| 4L570 | Fractional Horsepower V-Belt 4L570 Outside Length 57" |
| 4L580 | Fractional Horsepower V-Belt 4L580 Outside Length 58" |
| 4L590 | Fractional Horsepower V-Belt 4L590 Outside Length 59" |
| 4L600 | Fractional Horsepower V-Belt 4L600 Outside Length 60" |
| 4L610 | Fractional Horsepower V-Belt 4L610 Outside Length 61" |
| 4L620 | Fractional Horsepower V-Belt 4L620 Outside Length 62" |
| 4L630 | Fractional Horsepower V-Belt 4L630 Outside Length 63" |
| 4L640 | Fractional Horsepower V-Belt 4L640 Outside Length 64" |
| 4L650 | Fractional Horsepower V-Belt 4L650 Outside Length 65" |
| 4L660 | Fractional Horsepower V-Belt 4L660 Outside Length 66" |
| 4L670 | Fractional Horsepower V-Belt 4L670 Outside Length 67" |
| 4L680 | Fractional Horsepower V-Belt 4L680 Outside Length 68" |
| 4L690 | Fractional Horsepower V-Belt 4L690 Outside Length 69" |
| 4L700 | Fractional Horsepower V-Belt 4L700 Outside Length 70" |
| 4L710 | Fractional Horsepower V-Belt 4L710 Outside Length 71" |
| 4L720 | Fractional Horsepower V-Belt 4L720 Outside Length 72" |
| 4L730 | Fractional Horsepower V-Belt 4L730 Outside Length 73" |
| 4L740 | Fractional Horsepower V-Belt 4L740 Outside Length 74" |
| 4L750 | Fractional Horsepower V-Belt 4L750 Outside Length 75" |
| 4L760 | Fractional Horsepower V-Belt 4L760 Outside Length 76" |
| 4L770 | Fractional Horsepower V-Belt 4L770 Outside Length 77" |
| 4L780 | Fractional Horsepower V-Belt 4L780 Outside Length 78" |
| 4L790 | Fractional Horsepower V-Belt 4L790 Outside Length 79" |
| 4L800 | Fractional Horsepower V-Belt 4L800 Outside Length 80" |
| 4L810 | Fractional Horsepower V-Belt 4L810 Outside Length 81" |
| 4L820 | Fractional Horsepower V-Belt 4L820 Outside Length 82" |
| 4L830 | Fractional Horsepower V-Belt 4L830 Outside Length 83" |
| 4L840 | Fractional Horsepower V-Belt 4L840 Outside Length 84" |
| 4L850 | Fractional Horsepower V-Belt 4L850 Outside Length 85" |
| 4L900 | Fractional Horsepower V-Belt 4L900 Outside Length 90" |
| 4L920 | Fractional Horsepower V-Belt 4L920 Outside Length 92" |