Stairmaster Jacobs Ladder, Different Rung Lengths and How to Determine Which is Correct for your Machine

Over the years, the Jacobs Ladder has been produced in the US and in China. Rung lengths changed when production was moved to China. Based on where the machine was made, will determine the length of the rung the machine requires. The serial number format of your Jacobs Ladder will determine your model, where it was made, and help identify the proper rung length.

If a serial number is not available, it will be important to measure the rung for the proper length.

Click the link below to view the details about the rung lengths and the serial number formats for your Jacobs Ladder.