Kubota B1830 Workshop Manual page 186

1. STRUCTURE.............................................................................................................................. 3-M1
[1] MANUAL TRANSMISSION (WITHOUT BI-SPEED TURN MODEL).................................... 3-M1
[2] MANUAL TRANSMISSION (WITH BI-SPEED TURN MODEL) ........................................... 3-M2
[3] MANUAL TRANSMISSION (WITH BI-SPEED TURN AND WITHOUT MID-PTO
MODEL)................................................................................................................................ 3-M3
[4] HST (WITH BI-SPEED TURN MODEL) ............................................................................... 3-M4
2. FRONT CASE............................................................................................................................. 3-M5
[1] STRUCTURE (HST WITH BI-SPEED TURN MODEL) ........................................................ 3-M5
[2] BI-SPEED TURN LINKAGE ................................................................................................. 3-M6
(1) Linkage ........................................................................................................................... 3-M6
(2) Linkage: Bi-Speed Turn "Engaged" ................................................................................ 3-M6
(3) Linkage: Bi-Speed Turn "Disengaged" ........................................................................... 3-M7
[3] BI-SPEED TURN POWERTRAIN ........................................................................................ 3-M8
(1) HYDRAULIC CIRCUIT ................................................................................................... 3-M8
(2) Bi-Speed Turn "Engaged" .............................................................................................. 3-M9
(3) Bi-Speed Turn "Disengaged".......................................................................................... 3-M9
3. MANUAL TRANSMISSION ...................................................................................................... 3-M10
[1] STRUCTURE ..................................................................................................................... 3-M10
(1) Main Gear Shift Section................................................................................................ 3-M10
(2) Shuttle Gear Shift Section ............................................................................................ 3-M11
4. HYDROSTATIC TRANSMISSION............................................................................................ 3-M12
[1] STRUCTURE ..................................................................................................................... 3-M12
[2] PUMP AND MOTOR .......................................................................................................... 3-M14
[3] OIL FLOW AND VALVES ................................................................................................... 3-M15
[4] CONTROL LINKAGE ......................................................................................................... 3-M22
5. CRUISE CONTROL.................................................................................................................. 3-M23
[1] CRUISE CONTROL LINKAGE ........................................................................................... 3-M23
(1) Cruise Control "ON" Position........................................................................................ 3-M23
(2) Cruise Control "OFF" Position ...................................................................................... 3-M24
6. RANGE GEAR SHIFT SECTION ............................................................................................. 3-M25
7. FRONT WHEEL DRIVE SECTION........................................................................................... 3-M26
8. PTO SYSTEM (HYDRAULIC PTO CLUTCH MODEL)............................................................. 3-M27
[1] STRUCTURE ..................................................................................................................... 3-M27
[2] REAR PTO SECTION ........................................................................................................ 3-M28
[3] REAR PTO / MID-PTO SECTION ...................................................................................... 3-M29
[4] MID-PTO SECTION ........................................................................................................... 3-M30
9. PTO SYSTEM (MECHANICAL PTO CLUTCH MODEL).......................................................... 3-M32
[1] STRUCTURE ..................................................................................................................... 3-M32
[2] REAR PTO SECTION ........................................................................................................ 3-M33
[3] REAR PTO / MID-PTO SECTION ...................................................................................... 3-M33
[4] MID-PTO SECTION ........................................................................................................... 3-M34
[5] ONE-WAY CLUTCH SYSTEM ........................................................................................... 3-M35
10. DIFFERENTIAL GEAR SYSTEM ............................................................................................. 3-M36
[1] DIFFERENTIAL FUNCTION .............................................................................................. 3-M36
[2] DIFFERENTIAL LOCK ....................................................................................................... 3-M37
MECHANISM
CONTENTS
KiSC issued 05, 2012 A