I've owned a 1995 6x4 Gator (gasoline) since 2001. Since the day I bought it the differential lock will click and right side wheels will not stay engaged if there is any load on the vehicle. By "load" I'm not saying weight in bed, just forward or reverse resistance. If there's no resistance the diff locks as it should making it difficult to turn as I don't have weights on front of machine. Any suggestions as to what I can check?
jjrowan
Joined
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52 Posts
The diff lock uses "dogs" that lock into notches. They are made with straight square corners so as to stay engaged under load. If the dogs are not fully engaged and load is applied, they can pop out of the notches. When this happens, it damages the corners of the dogs and their notches. If the damage is severe enough, the dogs are rounded off and will push themselves out of the notch under load. So examine the diff lock external linkage and verify that it is fully engaging. If not, adjust and re-test. If OK and still pops out, you will need to disassemble the differential to replace the worn parts.
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