Not tested myself but probably will help for those who' s try to play this oldie in 1.31 http://sharemods.com/csegezuwpnl0/zil_157_fix_ATS.zip.html Put this fix above main zil-157 mod. Credits to sdonbass18 for fix.

Just curious! Did you guys try it with advanced truck physics or with SCS defaults? I forget to mention that this truck is set for default SCS truck physics and not for advanced ones. And not tested on 1.31 yet till they are still betas and there still will be changes. With SCS default physics and on clear(not beta 1.31) profile I don' have any issues to haul up to some ~30 ton cargoes.

Arroyo (guest) you are full of shit! this truck can' pull the skin off a rice pudding! its way under-powered.

@JoeSmoteGaming I don' know what you talking about cause I can pull even some heavy hauls with this truck.

Why make a truck where you cant haul a piece of paper lol, seriously!