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Engine Data (6.2 L) | Up
TM-9-2320-280-10 M977 Series 8 x 8 Heavy Expanded Mobility Tactical Trucks (HEMTT) Manual | Next
Transfer Case Data (218) |
TM 9-2320-280-10
Table 1-7. Transmission Data (3L80)
General Information
Model .....................................................................................................................
Turbo Hydra-Matic 3L80
Type ...........................................................................................................................
Three-speed automatic
Oil type.........................................................................................................................................
Dexron® II
Transmission Range Selection
Recommended Shift Lever Position
Operating Condition
"R" (reverse)
Clear of traffic and obstructions, using ground guide.
'N" (neutral)
Vehicle stopped with parking brake applied.
"D" (drive)
Normal driving and fording.
"2" (second)
Hill climbing and “engine braking" to slow vehicle
when descending steep hills.
"1" (first)
Maximum "engine braking" when descending very
steep hills, climbing steep hills, or driving through
deep mud, sand, or snow.
Table 1-8. Transmission Data (4L80-E)
General Information
Model ...............................................................................................................
Turbo Hydra-Matic 4L80-E
Type ...........................................................................................................................
Four-speed automatic
Oil type........................................................................................................................................
DexronÒ
III
Transmission Range Selection
Recommended Shift Lever Position
Operating Condition
"P" (park)
Vehicle stopped with parking brake applied.
"R" (reverse)
Clear of traffic and obstructions, using ground guide.
"N" (neutral)
Vehicle stopped with parking brake applied.
" D " (overdrive)
Normal driving and fording.
“D” (drive)
Hilly terrain and towing a trailer.
"2" (second)
Hill climbing and “engine braking" to slow vehicle
when descending steep hills.
"1" (first)
Maximum "engine braking" when descending very
steep hills, climbing steep hills, or driving through
deep mud, sand, or snow.
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