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131 0308 Ult 10 Z

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Then the machine work starts on the tube with Dynatrac's stronger, properly forged (not cast), tube forks welded on and the tubes turned down so that they are ready for oil seals and to be pressed into the cast-nodular-iron differential housing. When the tubes are ready they go into a press and get stuffed with up to 1,500 psi of pressure. Even a very tight fit will move under that type of load, and the press doesn't stop until the tubes are seated.