Just bought a 1530B and have not yet picked it up. I have a lot of questions. 1. How heavy is the unit? 2. Whats the pump GPM and out put PSI? 3. What other Case uni-loader is this compared to? Not finding much in the Case web site on this old of loader. 4. Whats the lift capacity and tip over limit? 5. I cant see from the parts beak down how this unit operated in reverse? 6. Are parts still available? Sorry to go on and on but iit looks like there are some great guys with a lot of experence here and thought you all might give me a hand. Thanks in advvance Dan