I'm looking at a 12,00 lb Rotary two post, and considering a used 15,000 Rotary.. one day I'll get one.
I've worked on vehicles on both 4 post and two post lifts, the two post is much better and easier. A 4 post is good for storing a vehicle, or oil changes.

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-