7A-2 MANUAL TRANSMISSION
GENERAL DESCRIPTION
The transmission LT-85 has five forward speeds, completely synchronised and one reverse. The synchronised ones are
friction cones and ball retainers.
The synchronised couplings are grooved by electro-erosion, type POCKETS, to help avoid slipping out of spedd in the
hardest of working conditions.
All gears corresponding to forward speeds are permanent and of helicoidal construction. The reverse gear is straight.
The relations of transmission for each speed have been established so that they are in a series of steps - allowing the
optimum use of engine.
FIRST GEAR RATIO *29/21** - *29/21**
FIRST SPEED RATIO 1,380 - 1,380
SELECTED SPEED REV. 1ª 2ª 3ª 4ª 5ª
GEAR RATIO *36/13** *37/14** *30/19** *26/25** - *19/33**
SECONDARY RELATIONS
SPEED RATIO 2,768 2,643 1,519 1,040 - 0,576
TOTAL SPEED REDUCTION RATIO 3,820 3,647 2,179 1,435 1,000 0,795
NOTE:
- Relations marked (*) correspond to driven gears.
- Relations marked (**) correspond to drive gears.
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