DR Power Self-Propelled 6.75 (2004 - September 2010) User Manual | Page 20 / 68 | Also for: Self-Propelled 8.25 (2004 - September 2010), Walk-Behind 6.25 Sprint (2004 - September 2010), Walk-Behind 6.75 Commercial Model (2004 - September 2010), Walk-Behind 8.25 Commercial Model (2004