Basilone,
Speaking of heavy T3, faced a Wehr on Sturzdorf who went heavy on Stugs and mines. Couldn't do so much about him :/
http://www.coh2.org/file/6246/heavy-t3-wehr-smashed-me.rec
I watched up until 18 minutes because you had pretty much already lost the game at that point so I won't focus on stuff that happens when you were already in an almost certain unwinnable position.
First thing I didn't like was cap order. What I do every single time on Sturzdorf is send one engineer to focus left side and the other caps the right side. Left side engineer usually will be forced off the fuel after securing the nearby stuff that is normal because most Wehr players will go left rather than stretching really thin right. Right side engineer can get the whole bottom/top right corner of the map without being interrupted unless a bike goes straight for him. First rifle grabs the muni point outside the base to the right (+5 on top side, +10 bottom) and cap walks to the high fuel point- this is the best capwalking map in the game imo. When you are bottom you can also cap walk the +10 fuel in the northeast corner, but when you are top side just leave that point for your engineer because you want your rifle at the +16 asap. What second rifle does depends on opponents actions and you cannot script for that. If no resistance right side then use your next rifles and your engineers (usually your left one will have been retreated by this point) to finish getting the right and middle area. Do keep some units especially a flamer close to the middle so you can quickly react if he makes a move for your cutoff, don't position all your stuff too far north. Wehrmacht tends to be less aggressive towards your cutoff when you are on the top side but don't get caught with your pants down trying some 4 rifles in the bottom of the map nonsense.
Next problem was Jeep start. Don't push his MGs early like that, not only did you not succeed and take a ton of damage which led to some unnecessary repair time, but forcing a MG that deep in his territory to retreat like that does not accomplish much for you, he will be back with help in 10 seconds. Forcing all his pioneers to retreat instead makes a much bigger impact, you can set him back several minutes on resource income by doing that, also you force him to baby sit them with combat units in the future which can be very mentally taxing for weaker players. But in general I wouldn't recommend Jeeps on this map since the map design can be pretty limiting to vehicle micro and its very hard to push units out of the concrete wall cover compared to something like haystacks.
3rd problem: Late flamer, early minesweeper. You were in pretty defensive position for the first 5 minutes of the game which made getting the sweeper first pointless as a flamer can be used both offensively and defensively but a minesweeper isn't doing anything if you aren't proactively going in their territory to flank. Flamethrower should be used to help around the central building area if he has units there. When facing someone spamming mines really obnoxiously just run your sweeper through an area and shoot the mines with BAR squads, it is SO much faster than taking the time sweep every single one of them and lets you get some mines without moving in to his fields of fire. Just don't shoot the mines if your engineer is standing on it.
Last but not least was the choice to make 3 M8s. I think M8 is one of the weaker tech choices on this map, super high fuel map makes it better to either get rifle upgrades to tanks, or straight to tanks. The buildings and concrete walls on the right side make it difficult to be evasive around Paks and there are just too many great mine locations on this map. Not only was M8 in general a weak move but so was getting 3 of them. Get one M8. If you are facing a huge T1 either get a second one or follow your first one with some rifle upgrades or sniper. I don't think getting 3 is ever a good idea unless you are trolling some shitty PE player because its fairly obvious what you are doing at that point and M8s are a non issue when prepared for properly
In summary this stuff should help you contain Wehr to the left side most the time and give you the fuel advantage. Work on preserving rifles and not driving over obvious mine spots without mine/face sweeping it first.