Dry fibre [ Pix Kevlar corded belts ] replaces National 03931 part number. One pair of allen national 68 side cutting belts. These are the belts that drive the side cutting cylinders. If your machine has vertical threaded adjusters [ check photos ] these belts will suit your machine.
![Allen National 68 mower engine belt 03903 [ Gates 6844 ]](https://images.buynet.work/thumb.php?i=372704020&s=240)
![Allen National 68 mower engine belt A338 [ older model ]](https://images.buynet.work/thumb.php?i=372704293&s=240)
![Allen National 68 mower side cutting belts 03931 [ one pair ]](https://images.buynet.work/thumb.php?i=372704318&s=240)
![Allen National 68 mower side cutting belts 03932 [ one pair ] [ older model ] .](https://images.buynet.work/thumb.php?i=372704376&s=240)