CONTENTS
MECHANISM
1. STRUCTURE ................................................................................................. 2-M1
2. POWER TRAIN............................................................................................. 2-M2
[1] HYDROSTATIC TRANSMISSION (HST) .............................................. 2-M2
(1) Structure ............................................................................................ 2-M2
(2) Oil Flow .............................................................................................. 2-M3
(3) Operation ........................................................................................... 2-M4
(4) Charge Relief Valve........................................................................... 2-M7
(5) Check and High Pressure Relief Valve.............................................. 2-M8
(6) Control Linkage.................................................................................. 2-M9
3. RANGE GEAR SHIFT SECTION.............................................................. 2-M10
4. REAR WHEEL DRIVE SECTION.............................................................. 2-M11
[1] DUAL - ACTING OVERRUNNING FOUR WHEEL DRIVE................ 2-M11
(1) Basic Actions in Dual-Acting Overrunning 4WD Mode .................... 2-M13
(2) Basic Actions in Full-Time 4WD Mode............................................. 2-M15
5. PTO SECTION............................................................................................2-M16
6. DIFFERENTIAL GEAR SECTION.............................................................. 2-M18
[1] DIFFERENTIAL FUNCTION................................................................. 2-M18
[2] DIFFERENTIAL LOCK..........................................................................2-M19