Unlike the 38906, the 38905 does not feature 12" rear wheels, limiting its maneuverability in comparison.
The 38905's 675 Platinum Series Briggs & Stratton Engine provides it with the power to tackle tougher terrains without being too hard on fuel while its 21" 3-in-1 Dome Style Deck provides greater flexibility by allowing for bag, mulch, or side discharge options. Additionally, the 38905's precision cut blade greatly reduces scalping, resulting in a smoother, cleaner cut.