SD7 bulldozers are 230 horsepower track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. It can be equipped with straight tilting blade, angle blade, coal pushing blade, single shank ripper, three shanks ripper. The cab is Rops with air conditioner. SD7-230 horsepower, elevated sprocket bulldozer integrate modern secience into it, its new structure, good performance, high working efficiency, safety and comfortable operation condition, realiable entire quality, excellent service is your wise choosing.