There are three different series of the Fractional Horsepower V-Belts. They are the 3L, 4L and 5L series. Below is the 3L series. Click 4L and 5L to see those series.
| 3L110 | Fractional Horsepower V-Belt 3L110 Outside Length 11" |
| 3L120 | Fractional Horsepower V-Belt 3L120 Outside Length 12" |
| 3L130 | Fractional Horsepower V-Belt 3L130 Outside Length 13" |
| 3L140 | Fractional Horsepower V-Belt 3L140 Outside Length 14" |
| 3L150 | Fractional Horsepower V-Belt 3L150 Outside Length 15" |
| 3L160 | Fractional Horsepower V-Belt 3L160 Outside Length 16" |
| 3L170 | Fractional Horsepower V-Belt 3L170 Outside Length 17" |
| 3L180 | Fractional Horsepower V-Belt 3L180 Outside Length 18" |
| 3L190 | Fractional Horsepower V-Belt 3L190 Outside Length 19" |
| 3L200 | Fractional Horsepower V-Belt 3L200 Outside Length 20" |
| 3L210 | Fractional Horsepower V-Belt 3L210 Outside Length 21" |
| 3L220 | Fractional Horsepower V-Belt 3L220 Outside Length 22" |
| 3L230 | Fractional Horsepower V-Belt 3L230 Outside Length 23" |
| 3L240 | Fractional Horsepower V-Belt 3L240 Outside Length 24" |
| 3L250 | Fractional Horsepower V-Belt 3L250 Outside Length 25" |
| 3L260 | Fractional Horsepower V-Belt 3L260 Outside Length 26" |
| 3L270 | Fractional Horsepower V-Belt 3L270 Outside Length 27" |
| 3L280 | Fractional Horsepower V-Belt 3L280 Outside Length 28" |
| 3L290 | Fractional Horsepower V-Belt 3L290 Outside Length 29" |
| 3L300 | Fractional Horsepower V-Belt 3L300 Outside Length 30" |
| 3L310 | Fractional Horsepower V-Belt 3L310 Outside Length 31" |
| 3L320 | Fractional Horsepower V-Belt 3L320 Outside Length 32" |
| 3L330 | Fractional Horsepower V-Belt 3L330 Outside Length 33" |
| 3L340 | Fractional Horsepower V-Belt 3L340 Outside Length 34" |
| 3L350 | Fractional Horsepower V-Belt 3L350 Outside Length 35" |
| 3L360 | Fractional Horsepower V-Belt 3L360 Outside Length 36" |
| 3L370 | Fractional Horsepower V-Belt 3L370 Outside Length 37" |
| 3L380 | Fractional Horsepower V-Belt 3L380 Outside Length 38" |
| 3L390 | Fractional Horsepower V-Belt 3L390 Outside Length 39" |
| 3L400 | Fractional Horsepower V-Belt 3L400 Outside Length 40" |
| 3L410 | Fractional Horsepower V-Belt 3L410 Outside Length 41" |
| 3L420 | Fractional Horsepower V-Belt 3L420 Outside Length 42" |
| 3L430 | Fractional Horsepower V-Belt 3L430 Outside Length 43" |
| 3L440 | Fractional Horsepower V-Belt 3L440 Outside Length 44" |
| 3L450 | Fractional Horsepower V-Belt 3L450 Outside Length 45" |
| 3L460 | Fractional Horsepower V-Belt 3L460 Outside Length 46" |
| 3L470 | Fractional Horsepower V-Belt 3L470 Outside Length 47" |
| 3L480 | Fractional Horsepower V-Belt 3L480 Outside Length 48" |
| 3L500 | Fractional Horsepower V-Belt 3L500 Outside Length 50" |
| 3L510 | Fractional Horsepower V-Belt 3L510 Outside Length 51" |
| 3L520 | Fractional Horsepower V-Belt 3L520 Outside Length 52" |
| 3L530 | Fractional Horsepower V-Belt 3L530 Outside Length 53" |
| 3L540 | Fractional Horsepower V-Belt 3L540 Outside Length 54" |
| 3L550 | Fractional Horsepower V-Belt 3L550 Outside Length 55" |
| 3L560 | Fractional Horsepower V-Belt 3L560 Outside Length 56" |
| 3L570 | Fractional Horsepower V-Belt 3L570 Outside Length 57" |
| 3L580 | Fractional Horsepower V-Belt 3L580 Outside Length 58" |
| 3L590 | Fractional Horsepower V-Belt 3L590 Outside Length 59" |
| 3L600 | Fractional Horsepower V-Belt 3L600 Outside Length 60" |
| 3L610 | Fractional Horsepower V-Belt 3L610 Outside Length 61" |
| 3L620 | Fractional Horsepower V-Belt 3L620 Outside Length 62" |
| 3L630 | Fractional Horsepower V-Belt 3L630 Outside Length 63" |
| 3L640 | Fractional Horsepower V-Belt 3L640 Outside Length 64" |
| 3L650 | Fractional Horsepower V-Belt 3L650 Outside Length 65" |
| 3L660 | Fractional Horsepower V-Belt 3L660 Outside Length 66" |
| 3L670 | Fractional Horsepower V-Belt 3L670 Outside Length 67" |
| 3L680 | Fractional Horsepower V-Belt 3L680 Outside Length 68" |
| 3L690 | Fractional Horsepower V-Belt 3L690 Outside Length 69" |
| 3L730 | Fractional Horsepower V-Belt 3L730 Outside Length 73" |
| 3L740 | Fractional Horsepower V-Belt 3L740 Outside Length 74" |
| 3L760 | Fractional Horsepower V-Belt 3L760 Outside Length 76" |