4x4 tractor

Hi folks, I'm working on a Ford 1300 4x4. The front axle isn't engaging. I've worked on 4x4 tractors before, and the front driveline is usually pretty straightforward, just gears and shafts with some type of engaging mechanism, usually at the trans. Can anyone tell me, is this machine similar...

Hi folks, I'm working on a Ford 1300 4x4. The front axle isn't engaging. I've worked on 4x4 tractors before, and the front driveline is usually pretty straightforward, just gears and shafts with some type of engaging mechanism, usually at the trans. Can anyone tell me, is this machine similar...

1715 Ford New Holland 7350 won't drive reverse or forward. Goes into all gears HML still won't move does make a hissing sound. Filters cleaned not the problem. 4x4 was stuck still won't move. Please help