TM 5-2420-230-24-1
Maintenance & Service Manual
R & HR32000 3 & 6 Speed LD
R & HR MODEL 6 & 8 SPEED
The R & HR 32000 6 speed transmission is the same as the 3 speed R & HR 32000 except the difference being in the idler and out-
put shafts. The 6-speed unit has a gear added to the idler shaft and the output shaft has a high and low range shift.
The 32000 6 speed transmission is the same as the 6 speed except the 8 speed has a 4th speed clutch.
The 8-speed transmission has 8 forward speeds and 8 reverse
The 6-speed transmission has 3 working range shifts and 3
speeds.
travel range shifts.
The 8-speed transmission has 4 working range shifts and 4 travel
Gear ratio determines working and travel ranges. They are as
range shifts.
follows:
Gear ratio determines working and travel ranges. They are as follows:
1st - 2nd and 4th working range. 3rd - 5th and 6th travel range.
1st - 2nd -3rd and 5th working ranges 4th - 6th - 7th and 8th travel
NOTE: Range shift from low to high must be made with
range.
machine stopped.
NOTE: Range shift from low to high must be made with machine
stopped.
With
DISASSEMBLY
Figure 55 shows the idler shaft with one gear. The 6 speed unit
will have two gears and a heavier front bearing. See Figure 55A
below:
Figure 2
Remove range shift rail support bolts. Remove rail support, rail
and range shift fork.
Figure 55A
6 & 8 speed idler shaft, gear and bearing assembly. NOTE:
Do not lose rear bearing lock ball.
6 & 8 SPEED OUTPUT DISASSEMBLY
Figure 1
Figure 3
With all clutches and shafts removed, cut lockwire on range
Remove output shaft rear bearing cap bolts and bearing cap.
shift fork lockscrew. Remove fork lockscrew.
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