As a kid Dad had a 43 MB, 59 willys pick up, 62 FC-170,64 willys jeep station wagon for mom,66 gladiator. Bought my self-new 74 CJ5 304 then this happen. 
120000 miles regular maintenance. Did put Genies dual batteries in at 5000 miles no problems. Oil filter cooler combine is get replaced at 120000 as we speak. As well as the Pitman arm being replaced. Been very reliable.
2020 Sport Max Tow. No Lift, 33 tires. Only add on was the dual battery kit from genesis. 90000 miles just dealer maintenance no problems knock on wood for another 90000.
Just installed the battery kit this week. Been sitting in the shop for a year, that's what happens when you're retired. Followed the instruction and a support phone call two hrs. later done. Works very well no problems.
This JT is making my move from CT to SC to easy. It makes me drive 15hrs. It carries to much tows to easy got 15000 miles in a month. I am going to make it retire in SC