How do I remove and replace an old bearing?

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I use it at work. Big trucks require tools not found at the home improvement store!
I can relate to that--same with heavy equipment! In my younger days I worked 6 years at Galion Iron Works (later Galion-Dresser, later Komatsu-Galion), a company that made the best road graders, rollers, and cranes in the world. I was a heavy equipment mechanic in the changeover department, where we put on missing parts, repaired defects, and added options. The only parts we didn't work on were the engine and transmission, as they were under warranty from the manufacturer, so if they were bad, we switched them out and sent them back to the manufacturer, which was International, Detroit Diesel, or Waukesha for the engines and Borg-Warner or Allison for the transmissions. I worked mostly on graders but also worked on cranes and rollers. Think the biggest sockets I remember using were 2 1/2" with a 1" drive air gun and yes, they were specially hardened sockets for air gun use.
Jeff
 
I can relate to that--same with heavy equipment! In my younger days I worked 6 years at Galion Iron Works (later Galion-Dresser, later Komatsu-Galion), a company that made the best road graders, rollers, and cranes in the world. I was a heavy equipment mechanic in the changeover department, where we put on missing parts, repaired defects, and added options. The only parts we didn't work on were the engine and transmission, as they were under warranty from the manufacturer, so if they were bad, we switched them out and sent them back to the manufacturer, which was International, Detroit Diesel, or Waukesha for the engines and Borg-Warner or Allison for the transmissions. I worked mostly on graders but also worked on cranes and rollers. Think the biggest sockets I remember using were 2 1/2" with a 1" drive air gun and yes, they were specially hardened sockets for air gun use.
Jeff
I have ran Komatsu equipment and heard of all those brands. Detroit 2 cycle was very popular in Galion products.
 
I have ran Komatsu equipment and heard of all those brands. Detroit 2 cycle was very popular in Galion products.
I used to be able to tell by the sound without looking which engine was in a grader. The International had kind of a whistle to it, while the Detroit Diesel was more of a deep roar. Don't think I ever worked on one with a Waukesha, but I do remember that being one of the available options. One of the most fun parts of the job was after the final inspection, driving the grader to the paint shop at the other plant down the street! I was already gone from there when Komatsu took over, as the Iran Contra affair pretty much cost me my job. When I was working in grader changeover, I could walk through the building and look at the orders on each unit, and one out of every 3 or 4 units had been sold to Iran, but when the US stopped trade with Iran we lost all of that and I was laid off in 1981, the very day before Lena & I got married. But it was a great job and great place to work while it lasted!
Jeff
 

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