What kind of gear oil goes in a 1998 kodiak 400 The #

 

You have two choices...look in your ownwers manual and use the factory recommendation or you can go buy a full synthetic 75-140 gear lube and that will be compatible with everything. The synthetic gear oil will protect better than anything else on the market and it is made by a number of different manufacturers. Been using that for many years and have had O issues