This type of transmission fails to hold the exact diameters and tooth figures, induce the equipment to rotate at different speeds Which can lead to a gear clash. This is one of the main causes this gear is not utilised. 3 other gears like 1st pace, second pace, and reverse https://automobilegearbox06161.ttblogs.com/13814300/5-easy-facts-about-automobile-gearbox-described