1.It adopts Toyota A341E automatic transmission (easy to assemble and disassemble), which is installed on the dedicated swivel stand. 2.The slowdown rolling structure can rotate and lock the transmission in any angle and position to enable students assemble and disassemble the transmission. 3.An oil drip pan is placed at the bottom for small components and screws. 4.The swivel stand is made in high-intensity steel and the surface is paint-coated. Self-retention wheels are installed to ensure that it is flexible and convenient.