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TRANSMISSION
MODEL
15-Speed RT and RTX
Table 8.2, Eaton Fuller Deep-Reduction and Range-Shift Shift Progressions
8.
With the transmission in high range, shift pro-
gressively upward through each of the high
range gears
(Table
tween shifts.
Alternate Upshifting Procedures (15-
Speed Transmissions Only)
The shift from deep reduction to low range can also
be made from 2nd, 3rd, or 4th gear of deep reduc-
tion, but must be made to the next gear lower in the
low range. The shift from 2nd gear of deep reduction
to 1st gear in low range (or 3rd gear of deep reduc-
tion to 2nd gear in low range, and 4th gear of deep
reduction to 3rd gear in low range), is an upshift, and
the same procedure should be followed as that
shown for shifting from 5th gear of deep reduction to
4th gear in low range. See step 5, under "Upshifting."
Downshifting
1.
With the transmission in high range, shift pro-
gressively downward to the bottom gear in high
range, double-clutching between shifts.
2.
When in the bottom gear of the high range shift
pattern, and ready for the next downshift, push
the range preselection lever down into low range.
Double-clutch through neutral, and shift into the
top gear of the low range shift pattern. As the
shift lever passes through neutral, the transmis-
sion will automatically shift from high range to
low range.
3.
With the transmission in low range, downshift
through the low range gears, as conditions re-
quire.
IMPORTANT: Never use the clutch brake when
downshifting, or as a brake to slow the vehicle.
Eaton Fuller Deep-Reduction and Range-Shift Shift Progressions
DEEP REDUCTION
Adverse Conditions
Only
Adverse Conditions
R
4
2
DR
DR
3
5
1
DR
DR
DR
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8.2), double-clutching be-
LOW RANGE
Off-Highway and
On-Highway and Ideal
R
4
2
Lo
Lo
1
3
5
Lo
Lo
Lo
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Eaton Fuller Super 10, Top 2,
and Lightning Semi-Automated
Transmissions
Refer to the Eaton website for additional information,
www.roadranger.com.
General Information, Super 10/Top
2/Lightning
Super 10, Top 2, and Lightning transmissions have
10 selective forward ratios and a 2-speed rear splitter
section. Half of the 10 speed ratios are shifted with
the shift lever and the other half are shifted by mov-
ing the shift button. See
and Top 2 shift knob, and
shift knob.
09/25/96
A. Splitter Shift Button
B. Gears 2, 4, 6, 8, 10 when button is forward
C. Gears 1, 3, 5, 7, 9 when button is rearward
Fig. 8.11, Super 10 and Top 2 Shift Knob
There are three types of shifts used with these trans-
missions. Button-only and combination button/lever
shifts are both full gear changes. The lever-only shift
skips a gear.
Transmissions
HIGH RANGE
All Conditions
Conditions
R
2
4
Lo
Lo
1
3
5
Lo
Lo
Lo
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Fig. 8.11
for the Super 10
Fig. 8.12
for the Lightning
B
Fuller
A
Fuller
C
7
R
6
8
10
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8.14
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