Manual Transmission and Differential
AUXILIARY TRANSMISSION GEARS
MT-6
2. Auxiliary Transmission Gears
The auxiliary transmission gear mechanism consists of the input high gear (integral part of the in-
put shaft), input low gear, counter gear and Hi-Lo coupling sleeve.
! High range
The splines of the Hi-Lo coupling sleeve are in mesh with the splines of the input high gear. The
input high gear and the main shaft are directly connected and rotate at the same speed.
The power flow in this range is as follows: input shaft
→ input high gear → Hi-Lo coupling sleeve
→ Hi-Lo synchronizer hub → main shaft.
! Low range
The splines on the Hi-Lo coupling sleeve are in mesh with the splines of the input low gear. The
input low gear and the main shaft rotate as a unit.
The power flow in this range is as follows: input shaft
→ counter gear → input low gear → Hi-Lo
coupling sleeve and hub
→ main shaft.
(1) Input shaft (with integrally formed input high gear) (4) Input low gear
(2) Hi-Lo coupling sleeve (5) Main shaft
(3) Counter gear
S3H0216
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