Rick, you can swap out the clutch/pulley assembly and make it work usually unless the 1HDT is a real weird beast.
When I installed A/C in my '60 I did not have a compressor that worked, just the clutch/pulley assembly mounted on a bad compressor. I went for a walk in the wreckers, found that the late '80's/early '90's Acura has the same compressor as the 'Cruiser. The price at the auto parts place will usually include the clutch and pulley but the difference is substantial it it can be bought without the pulley/clutch, I bought the Acura (without pulley and clutch) one and it's been going great for the past 3 years! I just needed to swap the pulley/clutch assembly for the 'Cruiser one I already had. There was no listing for a Land Cruiser compressor at that parts place.