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Read articles →This is a real hands-on service video, not a walkaround: an owner performs a full maintenance session on a 2006 L3400, draining and refilling the front axle/differential (first time ever done), changing engine oil, fuel filter, air filters, replacing an 18-year-old fan belt, and greasing every zerk fitting, with practical notes on part sourcing and fluid choices. Best for owners doing this exact service themselves.
Posted by the Gumpas Shop channel, an owner doing DIY maintenance on his own tractor rather than a dealer or professional mechanic.
The owner used 80-90 weight gear oil instead of the original Kubota UDT fluid, noting UDT with Valvoline brand is better for colder climates.
Loosen the alternator bolts, pull the fan off using a 10mm wrench on its bolts to create clearance, then slip the belt off the crank and alternator pulleys.
15-40 Rotella, filled to about four quarts, checked against the dipstick up to the second dot.
Amsoil marine grease, used on everything with a zerk fitting for its excellent wash out resistance against water.
