Husqvarna 5521 RS (961430002-00) - Husqvarna 21" Walk-Behind Mower (2005-03)
Husqvarna 5521 RS (954223470-E) - Husqvarna 21" Walk-Behind Mower (2004-07)
Husqvarna 5521 RS (954223470-C) - Husqvarna 21" Walk-Behind Mower (2004-07)
Husqvarna 5521 RS (954223470-A) - Husqvarna 21" Walk-Behind Mower (2003-09)
Husqvarna 5521 RS (954223470-B) - Husqvarna 21" Walk-Behind Mower (2004-07)