We have a 1973 ford 3000 tractor with no power steering. While my husband was driving it last week?

... it got to where it wouldnt turn left at all. What could cause this? or:... it got to where it wouldn't turn left at all. What could cause this?

... it got to where it wouldn't turn left at all. What could cause this?

or:... it got to where it wouldn't turn left at all. What could cause this?

Tags:1973,