Simplicity zero-turn mowers by model
Simplicity Manufacturing began producing lawn equipment in 1937. Simplicity produced lawn tractors for Allis-Chalmers, and the company was purchased by Allis in 1965. In 1983, Simplicity was sold by Allis to management. In 2004, Briggs & Stratton purchased Simplicity.
Simplicity - official site
| Model | Power | Mower Deck | Years |
| Axion 18.5/33 | 18 hp | 33" deck | 2010 - 2013 |
| Axion 20/42 | 20 hp | 42" deck | 2007 - 2009 |
| Axion 21/42 | 21 hp | 42" deck | 2010 - 2011 |
| Axion 24/50 | 24 hp | 50" deck | 2007 - 2009 |
| Axion 26/50 | 26 hp | 50" deck | 2010 |
| Champion 20/44 | 20 hp | 44" deck | 2006 - 2007 |
| Champion 20/50 | 20 hp | 50" deck | 2006 - 2009 |
| Champion 25/50 | 25 hp | 50" deck | 2014 - 2015 |
| Champion 26/52 | 26 hp | 52" deck | 2010 - 2012 |
| Champion 27/48 | 27 hp | 50" deck | 2013 |
| Champion XT 25/48 | 25 hp | 48" deck | 2014 - 2024 |
| Champion XT 27/48 | 27 hp | 48" deck | 2013 |
| Citation 21/48 | 21 hp | 48" deck | 2006 - 2009 |
| Citation 22/52 | 22 hp | 52" deck | 2012 |
| Citation 23/52 | 23 hp | 52" deck | 2006 - 2009 |
| Citation 25/52 | 25 hp | 52" deck | 2010 - 2011 |
| Citation 26/52 | 26 hp | 52" deck | 2012 |
| Citation 28/61 | 28 hp | 61" deck | 2010 - 2012 |
| Citation XT 23/52 | 23 hp | 52" deck | 2013 - 2015 |
| Citation XT 27/52 | 27 hp | 52" deck | 2014 - 2024 |
| Citation XT 27/61 | 27 hp | 61" deck | 2014 - 2024 |
| Citation XT 28/52 | 28 hp | 52" deck | 2013 |
| Citation XT 28/61 | 28 hp | 61" deck | 2013 |
| Cobalt 26/61 | 26 hp | 61" deck | 2012 - |
| Cobalt 27/61 | 27 hp | 61" deck | 2006 - 2009 |
| Cobalt 28/61 | 28 hp | 61" deck | 2016 - |
| Cobalt 30/61 | 30 hp | 61" deck | 2009 - 2013 |
| Cobalt 32/61 | 32 hp | 61" deck | 2012 - 2015 |
| Colt ZT2148 | 21 hp | 48" deck | 2001 - 2003 |
| Colt ZT2348 | 23 hp | 48" deck | 2004 - 2005 |
| Colt ZT2352 | 23 hp | 52" deck | 2001 - 2003 |
| Colt ZT2352 | 23 hp | 52" deck | 2004 - 2005 |
| Contender 25/52 | 25 hp | 52" deck | 2016 - |
| Contender 25/61 | 25 hp | 61" deck | 2016 - |
| Courier 21.5/42 | 21 hp | 42" deck | 2018 - |
| Courier 21.5/48 | 21 hp | 48" deck | 2018 - |
| Courier 21.5/52 | 21 hp | 52" deck | 2018 - |
| Courier 23/42 | 23 hp | 42" deck | 2016 - |
| Courier 23/44 | 23 hp | 44" deck | 2016 - |
| Courier 23/48 | 23 hp | 48" deck | 2016 - |
| Courier 25/52 | 25 hp | 52" deck | 2016 - |
| Javelin 20/38 | 20 hp | 38" deck | 2006 - 2008 |
| Javelin 20/44 | 20 hp | 44" deck | 2006 - 2008 |
| Javelin 22/50 | 22 hp | 50" deck | 2006 - 2008 |
| Stallion ZT2354 | 23 hp | 54" deck | 2001 - 2003 |
| Stallion ZT2561 | 25 hp | 61" deck | 2001 - 2005 |
| Stallion ZT2761 | 27 hp | 61" deck | 2004 - 2005 |
| ZT14 | 14 hp | 38" deck | 1999 - 2001 |
| ZT16 | 16 hp | 38/44" deck | 1999 - 2003 |
| ZT18 | 18 hp | 50" deck | 1999 - 2003 |
| ZT1500 21/42 | 21 hp | 42" deck | 2012 |
| ZT1500 24/46 | 24 hp | 46" deck | 2012 |
| ZT1500 18/42 | 18 hp | 42" deck | 2013 |
| ZT1500 20/42 | 20 hp | 42" deck | 2013 |
| ZT1500 22/42 | 22 hp | 42" deck | 2014 - 2015 |
| ZT1500 23/46 | 23 hp | 46" deck | 2014 - 2015 |
| ZT1500 21.5/46 | 21 hp | 46" deck | 2013 - 2014 |
| ZT1500 25/52 | 25 hp | 52" deck | 2014 - 2015 |
| ZT1844 | 18 hp | 44" deck | 2004 - 2005 |
| ZT2000 26/52 | 26 hp | 52" deck | 2011 - 2013 |
| ZT2000 27/46 | 27 hp | 46" deck | 2011 |
| ZT2050 | 20 hp | 50" deck | 2004 - 2005 |
| ZT2500 24/46 | 24 hp | 46" deck | 2012 - 2013 |
| ZT2500 27/52 | 27 hp | 52" deck | 2012 - 2013 |
| ZT2500 25/48 | 25 hp | 48" deck | 2014 - 2015 |
| ZT3000 24/44 | 24 hp | 44" deck | 2008 - 2011 |
| ZT3000 24/50 | 24 hp | 50" deck | 2008 - 2009 |
| ZT3000 24/46 | 24 hp | 46" deck | 2010 - 2012 |
| ZT3500 27/48 | 27 hp | 48" deck | 2012 - 2013 |
| ZT3500 25/48 | 25 hp | 48" deck | 2014 - 2015 |
| ZT4000 24/44 | 24 hp | 44" deck | 2008 - 2009 |
| ZT4000 26/48 | 26 hp | 48" deck | 2010 - 2012 |
Simplicity farm tractors
Simplicity lawn tractors