Transmission Layout

Transmission layout
Designation





1. Engine
2. Clutch
3. Transmission
4. Input shaft
5. Output shaft/pinion shaft
6. Differential
Arrows point in direction of travel

Gear ratios
I - 1st gear
II - 2nd gear
III - 3rd gear
IV - 4th gear
V - 5th gear
R - Reverse gear
A - Final drive
T - Speedometer drive
Arrows point in direction of travel

Calculating overall ratio (i)





Example:
i = Z2: Z1 1)
iG = Gear ratio = ZG2: ZG1 = 31:37 = 0.838
iA = Axle Ratio = ZA2: ZA1 =37:9 = 4.111
Overall ratio = total ratio
= iG X iA = 0.838 x 4.111 = 3.444
i) Z1 = No. of teeth drive gear, Z2 = No. of teeth driven gear