1. Optional front-mounted exhausts, optional speed-limiting device, speed limit 80km/h, optional disc brake device, optional ABS, model 3631010-C2000, manufacturer Dongfeng electronic technology, Ltd systems; 2. the net rate: YC4E140-42 for 98kw,YC4E160-42 for 113kw,YC6J160-46 for 109kw ISB3.9-160E40A for 112kw.3. optional new lamps, masks, bumper, door form.