How to Identify MORryde Pin Box to Select Correct Replacement
Updated 04/20/2020 | Published 04/16/2020
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Question:
Have morryde pin box with four bolt horizontal across pin box. Need replacement air ride pin box.
asked by: Brian B
Expert Reply:
The easiest way to identify your MORryde pin box is to locate the pin box model number, which should be written on a label on the pin box. For example, if your MORryde pin box has a part number like MORryde SPB72-1621LD, the 1621 in the number would indicate it was designed to replace a Lippert 1621 pin box, for which the correct air ride replacement would be Trailair Flex Air # LC328492 (18,000 lbs) or # LC369535 (21,000 lbs).
If you cannot find this information or it isn't legible, you'll need to take a couple quick measurements to determine the correct air ride pin box replacement. Measure your pin box width and bolt hole spacing, as detailed in the attached help article. Using the same example, I've attached a diagram of the dimensions of the Lippert 1621, which uses
Most pin boxes use two rows of bolt holes, while some, like the Lippert 1116 (MORryde RPB72-1116 or Flex Air # LC155943), uses three, in which case you would also need to measure the horizontal distance between hole centers.
Otherwise, the manufacturer of your coach should be able to tell you which pin box model was installed on your coach based on the last six digits of the coach serial number.
If you still need help after getting this information, just let me know and I'll be happy to make a recommendation!
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