JLG G10-55A, G12-55A Telehandler Parts Manual

Name: JLG G10-55A, G12-55A Telehandler Parts Manual
Brand: MidWestTech
SKU: 3126020
Price: 79.53 USD
Availability: InStock

762 pages · Publication 3126020

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Models: G10-55A, G12-55A
Serial coverage: Prior to 0160045636, Exclude Serial Number Range: 0160045082, 0160045094, 0160045209, 0160045295, 0160045449, 0160045926
Manual type: Parts Manual
Pages: 762
Publication: 3126020
Condition: Brand new

JLG G10-55A, G12-55A Telehandler Parts Manual, publication 3126020

What's inside

From the manual's own table of contents: 93 sections, 236 entries. See sample pages (PDF, 664 KB)

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General49 topics

SECTION 1 - FRAME AND ATTACHING PARTS
FIGURE 1-3. AXLE AND WHEEL MOUNTING
FIGURE 1-4. OUTRIGGER MOUNTING
SECTION 2 - BOOM
FIGURE 2-1. FIRST BOOM SECTION G10-55A
FIGURE 2-2. FIRST BOOM SECTION G12-55A
FIGURE 2-3. BEARINGS, PADS, SPACERS AND SHIMS, (FIRST BOOM SECTION) G10-55A
FIGURE 2-4. BEARINGS, PADS, SPACERS AND SHIMS, (FIRST BOOM SECTION) G12-55A
FIGURE 2-5. SECOND BOOM SECTION G10-55A
FIGURE 2-6. SECOND BOOM SECTION G12-55A
FIGURE 2-7. BEARINGS, PADS, SPACERS AND SHIMS, (SECOND BOOM SECTION) G10-55A
FIGURE 2-8. BEARINGS, PADS, SPACERS AND SHIMS, (SECOND BOOM SECTION) G12-55A
FIGURE 2-9. THIRD BOOM SECTION G10-55A
FIGURE 2-10. THIRD BOOM SECTION G12-55A
FIGURE 2-11. BEARINGS, PADS, SPACERS AND SHIMS, (THIRD BOOM SECTION) G10-55A
FIGURE 2-12. BEARINGS, PADS, SPACERS AND SHIMS, (THIRD BOOM SECTION) G12-55A
FIGURE 2-13. FOURTH BOOM SECTION G10-55A
FIGURE 2-14. FOURTH BOOM SECTION G12-55A
FIGURE 2-15. BEARINGS, PADS, SPACERS AND SHIMS, (FOURTH BOOM SECTION) G10-55A
FIGURE 2-16. BEARINGS, PADS, SPACERS AND SHIMS, (FOURTH BOOM SECTION) G12-55A
FIGURE 2-17. QUICK SWITCH ASSEMBLY (Prior to SN 0160037689)
FIGURE 2-18. QUICK SWITCH ASSEMBLY (SN 0160037689 to Present)
SECTION 3 - ATTACHMENTS
FIGURE 3-3. BUCKETS
FIGURE 3-4. SIDE TILT CARRIAGE (Prior to SN 0160037689)
FIGURE 3-5. SIDE TILT CARRIAGE (SN 0160037689 to Present)
FIGURE 3-8. TRUSS BOOM WITH WINCH (Prior to SN 0160037689)
FIGURE 3-9. TRUSS BOOM WITH WINCH (SN 0160037689 to Present)
FIGURE 3-10. ADJUSTABLE TRUSS BOOM
FIGURE 3-11. 100, SWING CARRIAGE WITH SIDE SHIFT (Prior to SN 0160037689)
FIGURE 3-12. SHEET MATERIAL HANDLER (Prior to SN 0160037689)
FIGURE 3-13. SHEET MATERIAL HANDLER (SN 0160037689 to Present)
FIGURE 3-14. 100, DRYWALL SWING CARRIAGE ASSEMBLY (Prior to SN 0160037689)
FIGURE 3-16. SWING CARRIAGE (SN 0160037689 to Present)
FIGURE 3-18. SWING CARRIAGE (SN 0160037689 to Present)
FIGURE 3-19. PERSONNEL PLATFORM (Prior to SN 0160037689)
FIGURE 3-20. FORK MOUNTED PLATFORM
FIGURE 3-21. FORKS
FIGURE 3-22. FORK MOUNTED LIFTING HOOK (PRIOR TO S/N 2005134-01)
FIGURE 3-23. FORK MOUNTED LIFTING HOOK (S/N 2005134-01 TO PRESENT)
FIGURE 3-24. GRAPPLE BUCKET
FIGURE 3-25. FORK PIN LOCK INSTALLATION (SN 0160037689 to Present)
FIGURE 3-26. DUAL FORK POSITIONING CARRIAGE ASSEMBLY (SN 0160037689 to Present)
FIGURE 3-29. 8 FT SIDE TILT ELECTRIC MAST (SN 0160037689 to Present)
FIGURE 3-30. 50 IN SIDE SHIFT CARRIAGE (SN 0160037689 to Present)
SECTION 4 - ENGINE AND ATTACHING PARTS
FIGURE 4-1. ENGINE ASSEMBLY - JOHN DEERE
FIGURE 4-2. ENGINE ASSEMBLY - PERKINS
FIGURE 4-3. ENGINE ASSEMBLY - CUMMINS

FIGURE 4-4. JOHN DEERE ENGINE

FIGURE 4-5. PERKINS ENGINE

FIGURE 4-6. CUMMINS ENGINE

FIGURE 4-7. FUEL TANK AND LINES (Prior to SN 0160020149)

FIGURE 4-8. FUEL TANK AND LINES (SN 0160020149 to Present)

FIGURE 4-9. RADIATOR ASSEMBLY - JOHN DEERE ENGINE

FIGURE 4-10. RADIATOR ASSEMBLY - PERKINS ENGINE

FIGURE 4-11. RADIATOR ASSEMBLY - CUMMINS ENGINE

FIGURE 4-12. AIR CLEANER INSTALLATION - JOHN DEERE ENGINE G10-55A

FIGURE 4-13. AIR CLEANER INSTALLATION - PERKINS ENGINE G10-55A

FIGURE 4-14. AIR CLEANER INSTALLATION - JOHN DEERE ENGINE G12-55A

FIGURE 4-15. AIR CLEANER INSTALLATION - PERKINS ENGINE G12-55A

FIGURE 4-16. AIR CLEANER INSTALLATION - CUMMINS ENGINE

FIGURE 4-17. EXHAUST INSTALLATION - JOHN DEERE ENGINE

FIGURE 4-18. EXHAUST INSTALLATION - PERKINS ENGINE

FIGURE 4-19. EXHAUST INSTALLATION - CUMMINS ENGINE

FIGURE 4-20. ZF TRANSMISSION

FIGURE 4-21. ZF TRANSMISSION - CONVERTER AND INPUT

FIGURE 4-22. ZF TRANSMISSION - GEARBOX HOUSING

FIGURE 4-23. ZF TRANSMISSION - FORWARD GEAR GROUP

FIGURE 4-24. ZF TRANSMISSION - REVERSE GEAR GROUP

FIGURE 4-25. ZF TRANSMISSION - 1ST SHAFT GROUP

FIGURE 4-26. ZF TRANSMISSION - 2ND SHAFT GROUP

Show all 94 sections

FIGURE 4-27. ZF TRANSMISSION - 3RD SHAFT GROUP

FIGURE 4-28. ZF TRANSMISSION - 4TH SHAFT GROUP

FIGURE 4-29. ZF TRANSMISSION - POWER TAKE-OFF

FIGURE 4-30. ZF TRANSMISSION - CONTROL UNIT AND PRESSURE REGULATOR

FIGURE 4-31. ZF TRANSMISSION - GEARSHIFT SYSTEM

FIGURE 4-32. ZF TRANSMISSION - OIL PUMP, FILTER AND DIPSTICK

FIGURE 4-33. ZF TRANSMISSION - TRANSFER BOX

SECTION 5 - DRIVE TRAIN

FIGURE 5-1. FRONT AXLE ASSEMBLY

FIGURE 5-2. FRONT AXLE - CENTRAL HOUSING AND STEERING

FIGURE 5-3. FRONT AXLE - DIFFERENTIAL

FIGURE 5-4. FRONT AXLE - HUB REDUCTION

FIGURE 5-5. FRONT AXLE - BRAKES

FIGURE 5-6. REAR AXLE ASSEMBLY

FIGURE 5-7. REAR AXLE - CENTRAL HOUSING AND STEERING

FIGURE 5-8. REAR AXLE - DIFFERENTIAL

FIGURE 5-9. REAR AXLE - HUB REDUCTION

FIGURE 5-12. DRIVE SHAFT

FIGURE 5-13. TIRES AND RIMS G10-55A

FIGURE 5-14. TIRES AND RIMS G12-55A

SECTION 6 - CAB

FIGURE 6-5. SUSPENSION SEAT

FIGURE 6-8. INSTRUMENT PANEL (SN 0160037186 to Present)

FIGURE 6-9. HEATING COMPONENTS

FIGURE 6-12. AIR CONDITIONING - JOHN DEERE ENGINE

FIGURE 6-13. AIR CONDITIONING - PERKINS ENGINE

FIGURE 6-14. CONDITIONING - CUMMINS ENGINE

FIGURE 6-15. AIR CONDITIONING COMPONENTS (Prior to SN 0160045292)

FIGURE 6-16. AIR CONDITIONING COMPONENTS (SN 0160045292 to Present)53 topics

SECTION 7 - CONTROLS
FIGURE 7-1. BOOM JOYSTICK WITH ADJUSTABLE TILT
FIGURE 7-2. HYDRAULIC CONTROLLER - SWAY
FIGURE 7-3. HYDRAULIC CONTROLLER - OUTRIGGER AND SWAY/AUX
FIGURE 7-4. STEERING COLUMN AND ATTACHING PARTS
FIGURE 7-5. BRAKE PEDAL ASSEMBLY (Prior to SN 0160029245)
FIGURE 7-6. BRAKE PEDAL ASSEMBLY (SN 0160029245 to Present)
FIGURE 7-7. ACCELERATOR PEDAL
SECTION 8 - HYDRAULIC CIRCUITS
FIGURE 8-1. SUPPLY CIRCUIT - JOHN DEERE ENGINE
FIGURE 8-2. SUPPLY CIRCUIT - PERKINS ENGINE (Prior to SN 0160037877)
FIGURE 8-3. SUPPLY CIRCUIT - PERKINS ENGINE (SN 0160037877 to Present)
FIGURE 8-4. SUPPLY CIRCUIT - CUMMINS ENGINE
FIGURE 8-5. DUMP CIRCUIT - JOHN DEERE ENGINE
FIGURE 8-6. DUMP CIRCUIT - PERKINS ENGINE (Prior to SN 0160037877)
FIGURE 8-7. DUMP CIRCUIT - PERKINS ENGINE (SN 0160037877 to Present)
FIGURE 8-8. DUMP CIRCUIT - CUMMINS ENGINE
FIGURE 8-9. STEER SELECT - JOHN DEERE ENGINE
FIGURE 8-10. STEER SELECT - PERKINS AND CUMMINS ENGINE
FIGURE 8-11. SERVICE/PARK BRAKE - JOHN DEERE ENGINE
FIGURE 8-12. SERVICE/PARK BRAKE - PERKINS AND CUMMINS ENGINE
FIGURE 8-13. BOOM JOYSTICK - JOHN DEERE ENGINE
FIGURE 8-14. BOOM JOYSTICK - PERKINS AND CUMMINS ENGINE
FIGURE 8-15. SWAY CONTROLLER - JOHN DEERE ENGINE
FIGURE 8-16. SWAY CONTROLLER - PERKINS ENGINE
FIGURE 8-17. SWAY CONTROLLER - CUMMINS ENGINE
FIGURE 8-18. AUXILIARY CONTROLLER - JOHN DEERE ENGINE
FIGURE 8-19. AUXILIARY CONTROLLER - PERKINS AND CUMMINS ENGINE
FIGURE 8-20. OUTRIGGER CONTROLLER - JOHN DEERE ENGINE
FIGURE 8-21. OUTRIGGER CONTROLLER - PERKINS AND CUMMINS ENGINE
FIGURE 8-22. LIFT CYLINDER - JOHN DEERE ENGINE
FIGURE 8-23. LIFT CYLINDER - PERKINS AND CUMMINS ENGINE
FIGURE 8-24. CROWD CYLINDER - JOHN DEERE ENGINE
FIGURE 8-25. CROWD CYLINDER - PERKINS AND CUMMINS ENGINE
FIGURE 8-26. TILT AND TILT COMPENSATING CYLINDERS - JOHN DEERE ENGINE
FIGURE 8-27. TILT AND TILT COMPENSATING CYLINDERS - PERKINS AND CUMMINS ENGINE
FIGURE 8-28. AUXILIARY FUNCTION - JOHN DEERE ENGINE
FIGURE 8-29. AUXILIARY FUNCTION - PERKINS AND CUMMINS ENGINE
FIGURE 8-32. BOOM HYDRAULICS ASSEMBLY (SN 0160034500 to Present)
FIGURE 8-33. SWAY CYLINDER - JOHN DEERE ENGINE
FIGURE 8-34. SWAY CYLINDER - PERKINS ENGINE
FIGURE 8-35. SWAY CYLINDER - CUMMINS ENGINE
FIGURE 8-36. OUTRIGGER CYLINDERS - JOHN DEERE ENGINE
FIGURE 8-37. OUTRIGGER CYLINDERS - PERKINS ENGINE
FIGURE 8-38. OUTRIGGER CYLINDERS - CUMMINS ENGINE
FIGURE 8-39. QUICK ATTACH INSTALLATION
SECTION 9 - HYDRAULIC COMPONENTS
FIGURE 9-3. LIFT CYLINDER G10-55A
FIGURE 9-4. LIFT CYLINDER G10-55A
FIGURE 9-6. LIFT CYLINDER
FIGURE 9-9. LIFT CYLINDER G12-55A
FIGURE 9-10. LIFT CYLINDER G12-55A
FIGURE 9-12. LIFT CYLINDER

FIGURE 9-15. CROWD CYLINDER

FIGURE 9-16. CROWD CYLINDER

FIGURE 9-17. CROWD CYLINDER (SN 0160041982 to Present)

FIGURE 9-18. CROWD CYLINDER

FIGURE 9-30. COMPENSATING CYLINDER (G10-55A SN 0160041565 to Present)

FIGURE 9-34. COMPENSATING CYLINDER (G12-55A SN 0160041565 to Present)

FIGURE 9-41. OUTRIGGER CYLINDER ASSEMBLY (Prior to SN 0160039838)

FIGURE 9-42. OUTRIGGER CYLINDER ASSEMBLY (SN 0160039838 to Present)

FIGURE 9-43. MAIN CONTROL VALVE (Prior to SN 0160037877)

FIGURE 9-44. MAIN CONTROL VALVE (SN 0160037877 to Present)

FIGURE 9-45. HYDRAULIC PUMP

FIGURE 9-46. HYDRAULIC PUMP - CUMMINS ENGINE

FIGURE 9-47. VARIABLE DISPLACEMENT PUMP

FIGURE 9-48. HYDRAULIC TANK ASSEMBLY - JOHN DEERE ENGINE

FIGURE 9-49. HYDRAULIC TANK ASSEMBLY - PERKINS ENGINE

FIGURE 9-50. HYDRAULIC TANK ASSEMBLY - CUMMINS ENGINE

FIGURE 9-53. HYDRAULIC MANIFOLD

FIGURE 9-54. STEER SELECT VALVE - JOHN DEERE ENGINE

FIGURE 9-55. STEER SELECT VALVE - PERKINS AND CUMMINS ENGINE

FIGURE 9-56. 180, SWING CARRIAGE CYLINDER

FIGURE 9-57. GRAPPLE BUCKET CYLINDER

FIGURE 9-58. SIDE TILT CARRIAGE CYLINDER

FIGURE 9-59. SIDE TILT CARRIAGE CYLINDER

FIGURE 9-60. 72 IN 90, SWING CARRIAGE CYLINDER

FIGURE 9-61. 50 IN SIDE SHIFT CARRIAGE CYLINDER (SN 0160037689 to Present)

FIGURE 9-62. QUICK ATTACH VALVE

FIGURE 9-63. QUICK ATTACH INSTALLATION, G SERIES

FIGURE 9-64. CYLINDER, QUICK ATTACH ASSEMBLY

FIGURE 9-65. DIVERTOR VALVE

FIGURE 9-66. SWAY CYLINDER

SECTION 10 - ELECTRICAL

FIGURE 10-1. BATTERY AND CABLES - JOHN DEERE AND PERKINS ENGINE

FIGURE 10-2. BATTERY AND CABLES - CUMMINS ENGINE

FIGURE 10-3. ENGINE HARNESS - JOHN DEERE ENGINE

FIGURE 10-4. ENGINE HARNESS - PERKINS ENGINE (Prior to SN 0160037186)41 topics

FIGURE 10-5. ENGINE HARNESS - PERKINS ENGINE (SN 0160037186 to Present)
FIGURE 10-6. ENGINE HARNESS - CUMMINS ENGINE (Prior to SN 0160027498)
FIGURE 10-8. VEC GRID HTR PWR HARNESS - CUMMINS ENGINE (SN 0160027498 to Present)
FIGURE 10-9. CHASSIS HARNESS - JOHN DEERE ENGINE
FIGURE 10-10. CHASSIS HARNESS - PERKINS AND CUMMINS ENGINE (Prior to SN 0160037186)
FIGURE 10-11. CHASSIS HARNESS - PERKINS AND CUMMINS ENGINE (SN 0160037186 through 0160037794)
FIGURE 10-12. CHASSIS HARNESS - PERKINS AND CUMMINS ENGINE (SN 0160037795 to Present)
to Present)
FIGURE 10-20. ENCLOSED CAB HARNESS
FIGURE 10-21. VEC OPTIONS HARNESS - JOHN DEERE ENGINE
FIGURE 10-22. VEC OPTIONS HARNESS - PERKINS ENGINE
FIGURE 10-23. AUXILIARY ELECTRICS (Prior to SN 0160037689)
FIGURE 10-24. AUXILIARY ELECTRICS (SN 0160037689 to Present)
FIGURE 10-25. POWER DISTRIBUTION BOX INSTALLATION
FIGURE 10-26. CAB WORK LIGHT HARNESS
FIGURE 10-27. AUXILIARY ELECTRIC HARNESS
FIGURE 10-28. A/C HARNESS
SECTION 11 - DECALS
FIGURE 11-1. CAB AND FRAME DECALS (Prior to SN 0160040120)
FIGURE 11-2. CAB AND FRAME DECALS (SN 0160040120 to Present)
FIGURE 11-3. BOOM DECALS
SECTION 12 - OPTIONS
FIGURE 12-3. WORK LIGHT PACKAGE
FIGURE 12-4. COLD START INSTALLATION - JOHN DEERE ENGINE
FIGURE 12-5. BLOCK HEATER ASSEMBLY - JOHN DEERE ENGINE
FIGURE 12-6. BLOCK HEATER ASSEMBLY - PERKINS ENGINE
FIGURE 12-7. FENDER INSTALLATION
FIGURE 12-8. FUEL/WATER SEPARATOR INSTALLATION - JOHN DEERE
FIGURE 12-11. TRUSS BOOM WINCH
FIGURE 12-12. WINCH MOTOR
FIGURE 12-13. SWAY CYLINDER VALVE
FIGURE 12-14. SWAY CYLINDER
FIGURE 12-15. ROAD LIGHTS INSTALLATION
FIGURE 12-16. PINTLE HOOK INSTALLATION
FIGURE 12-17. SWING CYLINDER
FIGURE 12-18. TOP CAB GLASS SHIELD
FIGURE 12-19. FRONT CAB GLASS SHIELD
FIGURE 12-20. BOOM WORK LIGHT HARNESS
FIGURE 12-22. WORK LIGHT CAB HARNESS
FIGURE 12-23. ROAD LIGHT AND FRAME HARNESS
FIGURE 12-24. ROAD LIGHT AND CAB HARNESS

FIGURE 12-25. WINCH

FIGURE 12-26. ARCTIC PACKAGE - PERKINS ENGINE

FIGURE 12-27. ARCTIC PACKAGE - CUMMINS ENGINE

SECTION 13 - RECOMMENDED SPARE PARTS

FIGURE 13-1. RECOMMENDED SPARE PARTS

PART NUMBER INDEX

Inside this manual

Real pages from this parts manual (762 pages). Open the sample pages (PDF, 663 KB)

Sample pages from the JLG G10-55A, G12-55A Telehandler Parts Manual: Parts illustration, Parts illustration, Parts illustration

Parts illustration, page 55: SECTION 2 - BOOM
Parts illustration, page 275: SECTION 6 - CAB
Parts illustration, page 385: SECTION 8 - HYDRAULIC CIRCUITS

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the G10-55A, G12-55A are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Parts Manual 3126020$79.53

Service manuals

Service Manual 3126019 · 200 pagesCovers G10-55A, G12-55ASerial: Prior to 0160045636, Exclude Serial Number Range: 0160045082, 0160045094, 0160045209, 0160045295, 0160045296, 0160045449$69.53Details

Service Manual 31200795 · 178 pagesCovers G10-55A, G12-55ASerial: 0160045082, 0160045094, 0160045209, 0160045295, 0160045296, 0160045449, 0160045636 to Present$69.63Details

This is a parts manual

Here's how it compares to the other manual types.

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

This manual

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 762 pages

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