The Boxer model # 532DX comes with a kubota diesel engine retractable tracks that when closed are only 35" wide and 43.5" when open. Has a high flow of 14.5gpm abd an auxillary flow of 7.5gpm. We demo this unit with a Atlas Capco SBC410 hammer and it worked great. For more info contact me at
wiseguy_equip@yahoo.com or the boxer website
Compact Power Equipment