Re: Cat 777D Mining Truck
I have used Tamiya shoulder bolts for their kingpins with some success.
Their thread is M4 and about 5mm long - maybe not enough for you?
If interested, check parts# Tamiya 50100 and 84175.
For the limit switches, maybe keep in mind that you can have the switch either actuated by the sliding "nut" or the dump box.
Battery: Sorry, cannot really help. I'm still using my old NiMH packs and have neither made the switch to LiPos nor bought new packs in ages.
Cheers
Jens
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