Contact Us

United States

    • Model D
    • Assembly and How To Videos
    • Maintenance
    • Troubleshooting and Repair
    • Manuals and Schematics

Model D Indoor Rower Support

Model D Indoor Rower Gray

Manufacture Dates

July 2003–April 2021

Updated in August 2006 with the following features:

  • Modified monorail artwork
  • Redesigned foot stretchers
  • Updated frame lock mechanism

Main Characteristics

  • Color:
  • Handle: Ergonomic handle featuring a 10 degree bend
  • Flywheel Housing: Damper setting numbers molded into the flywheel cover

Serial Number

October 17, 2005–May 23, 2018

The serial number contains three groups of numbers separated by dashes. The first group of numbers represents the date the unit was boxed, the second group represents the Concept2 part number, and the third group represents the monitor serial number.

May 24, 2018–April 2021

The digits following "Serial Number:" represent the serial number for the machine and the monitor. Date of boxing and the Concept2 part number are also present on the label.

Serial Number Location

Prior to October 17, 2005

The label is located between the V of the flywheel support legs, on the bottom side of the rower. The serial number represents the date the rower was boxed (mm/dd/yy). An example Model D serial number from this time frame is 082205/1.

October 17, 2005–April 2021

Located between the V of the flywheel support legs, the label is located on the left side of the flywheel housing. See illustration. When asked for the serial number of your indoor rower, this is the number to use.

Serial Number Location

Attention: If you purchased your Model D Indoor Rower between August 1, 2006 and April 19, 2007, please read this important information about your indoor rower.