I have posted a couple of questions and have gotten no response. Can anyone please help me identify this unit. I think it is an early to mid 70's Kubota gray market , Japanese made rice patty, 4x4, 2 cyl diesel, pto, loader. I really need a front u-joint and yoke assembly. Any help woul be greatly appreciated. I also would like to get some tubes for the tires. any recommedations? Thanks for looking!!