Mainline Track (mainlinetrack.co.nz) is currently running a special deal on rubber tracks sized 400X72.5X74N for the Airman AX50U-4, Komatsu PC50MR-2, Takeuchi TB153, plus some others.
The normal price is $1805 + GST and freight, but until May 18,10% has been taken off the price, bringing it down to $1624.50 + GST + freight.
Mainline Track also has rollers in stock for all the makes & models below;
Hitachi – EX22-2, EX25, EX30, EX35, EX40, EX40U, EX45, EX58 plus others
Kobelco – SK30, SK35SR, SK035, SK40, SK45 plus others
Kubota – KX36-2, KX41-2, U20, KX41-3, KX41, KX161, KX121, KX71, KX91, U30, U35 plus others
Yanmar – VIO30, VIO27, VIO40, VIO45, VIO55 to VIO50 plus others



