Such issues can actually make a build quite fun, in a perverse sado-masochistic way, by creating challenges to be overcome. And that's really been the best thing about this kit; overcoming the arseache of each new problem, as it arose.
The kit itself looks like it's one that's been issued by other companies in the past. And it also looks like it's one of those Eastern European short-run jobbies, in the Ace Models type line. For example, moulding is a little coarse, with plenty o' flash, malformed parts, and several different colours of styrene.
Sitting on the couch watching Lethal Weapon 2. The model is more or less finished, assembly wise. The 37mm AA gun is done as well. But I don't know how I'm young to combine the two models. In fact I might not bother, and simply use this as a truck. I've ended up enjoying the build, overall. And it's a decent enough looking model of a great vehicle.
But I couldn't really recommend this kit as it came to me in such a ooor state. There were damaged and missing pieces, and the instructions are utter rubbish, printed almost illegibly and nigh on impossible to decipher.
I'm thinking I'll paint this in early/mid-war grey, and try my hand at improving my shading/weathering, etc.