1974 Ford Ranger F100, 4x4, is this a good deal/truck?

[blyonz04]

its a 1974 Ford Ranger F100, 4x4, Stick shift. 300 straight 6, Only 91,025 miles! guy only wants 600 dollars for it truck is a nice blue body looks good same with interior. says only needs new power steering pump . anyone any advise on if this is a good deal/truck/motor? thanks