Liftmaster Mobile Commercial Vehicle Roller Brake Tester LMBT MOB 9000 ATF Specification. Ideally suited for fleet operators carrying out periodical testing of their vehicles and for servicing facilities conducting diagnostic testing or post-repair testing of vehicles. C/w P.C, tablet. This commercial vehicle roller brake tester is a one man operated machine with tablet operation as standard. A solid state PC which works in conjunction with the tablet is used for operation of the machine’s easy-to use DVSA software programme (which is updated free at time of calibration). This step-by-step software guides the user through the test sequence and produces a pass/fail test result which can be stored or printed on the supplied  A4 printer. This machine is supplied as standard with a 3 year parts & labour warranty!*