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4 II. Driving Characteristics of QR513 Transmission This transmission achieves five forward gears and one reverse gear through three groups of synchronizers and two shafts-input shaft and output shaft; all forward gears adopt conventional engagement system while reverse gear adopts a gliding idler device. The synchronizers of the first and second gears are installed on output shaft while the synchronizers of the third, fourth and fifth gears are installed on input shaft. When the transmission is shifted to various gears, these synchronizers will engage with corresponding gear hub to enable transmission of power, and then the driving gear of main decelerator will drive the driven gear of main decelerator and differential assembly to rotate, which will drive the drive shaft to drive the wheels to rotate.
III. SN of QR513 Transmission 1. Print position of SN of QR513 transmission The print position of SN of QR513 series transmission is as shown in the figure:
2. Composition and connotation of SN of QR513 transmission SN of QR513 series transmission is consisted of model and leaving factory number of the transmission case. Position of number
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