Hi
try using small washers in between the drive shaft and the drive sprockets
you should only need one on each side
Jon
HL S&S Tiger I
HL S&S Panzer IV
HL S&S M26 Pershing
HL IR STuG III
HL IR Panther G
Tamiya M4 105mm Sherman
Torro T34-85 with bed spring armour and HL IR electronics
Heng Feng S&S Jagdtiger
Matto M4A1 76W Sherman
Heng Long Tauch Panzer III