General Information, Eaton Fuller Range-Shift
Refer to the Eaton website for additional information,harp://6642e4a677d8c06db16df198/pr/ORIGINAL/www.roadranger.com.
To operate a range-shift transmission, move the shift lever through all the low gear positions and then activate a range switch to provide an additional set of ratios in the high range. Using the same shift lever positions as in low range, move the shift lever through each position as before. On some models, the initial low gear is often used only in low range.
Important: Not all lever positions are used in each range and the shift patterns vary between transmissions. Be sure to read the shift pattern decal on the dash for the operating instructions for the specific transmission installed in your vehicle.
10-Speed FR/FRO and RT/RTO/RTX Models
10-Speed FR/FRO and RT/RTO/RTX Models
Eaton Fuller 10-speed transmissions have 10 selective, evenly spaced forward ratios. Each transmission has a 5-speed front section and a 2-speed rear range section. The 10 forward speeds are obtained by twice using a 5-speed shift pattern: the first time in low range, the second time in high range. See Fig. for the shift patterns.
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High Range
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Low Range
Fig. 1, Eaton Fuller 10-Speed Transmission Shift Patterns
Note: The 4th/9th and the 5th/10th shift positions in the RT (direct ratio) and RTX (overdrive ratio) transmissions are directly opposite in the RTO (overdrive ratio) transmissions