2006-2012 JLG G6-42A / G9-43A / G10-43A Telehandler Factory Service Manual (P/N 31200151)
244 Pages • 31.43 MB • Instant, Printable PDF
JLG Models Covered & Key Technical Specifications
Models: G6-42A, G9-43A, G10-43A
Sub-models / Variants: Turbo, Naturally Aspirated, Enclosed Cab, Open Cab, G10-43A with Outriggers
Model Years: 2006–2012
Serial Numbers: G6-42A (Before S/N 0160007869, S/N 0160007869 thru 0160040677, S/N 0160040678 & After), G9-43A (Before S/N 0160007868, S/N 016007868 thru 0160040674, S/N 0160040675 & After), G10-43A (S/N 016007868 thru 0160040674, S/N 0160040675 & After)
Technical Data:
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Engine Options: John Deere PE 4045D150, John Deere PE 4045TF150, John Deere PE 4045TF270, Perkins 1104-C 44T, Cummins QSB3.3
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Engine Power Range: 80 HP to 100 HP
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Transmission Capacities: 3.4 to 4.2 gallons
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Hydraulic Reservoir Capacity: 20 to 23.3 gallons
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Electrical System: 12V system, Group 31 battery, 65A or 105A alternator
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Travel Speeds: 3.2 mph to 20.5 mph depending on gear and model
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Fuel Tank Capacity: 38 gallons
JLG Manual Features & Content Preview
Equip your shop with the exact factory data needed to keep your multi-model telehandler fleet on the job site. This official 244-page JLG OEM documentation (P/N 31200151, revised August 9, 2012) covers both naturally aspirated and turbo engine variants, detailing the crucial production transition from John Deere to Cummins power plants.
- Workshop-Ready Format: Fully indexed and searchable PDF layout, formatted perfectly for standard 8.5" x 11" US Letter shop printing.
- Visual Diagnostics: Includes 47 detailed exploded-view diagrams and 24 hydraulic and electrical schematics to speed up complex troubleshooting.
Technical Documentation Scope
When a machine goes down, you need accurate specs fast to cut diagnostic time. This service manual details core system maintenance and teardown protocols for the boom, cab, axles, and powertrain.
Mechanics will find clear breakdowns for boom system terminology, extending and retracting chain replacements, alongside specific wear pad inspection protocols. The cab section walks through operator station teardowns, covering throttle and brake pedal removal, joystick assembly, and A/C servicing. Drivetrain coverage tackles front and rear axle assemblies, drive shaft balancing, and brake system testing. Chasing an electrical gremlin? The manual provides complete fuse locations, wiring layouts, and diagnostic trouble codes (DTCs) for both Cummins and Perkins engine systems.
Key Specifications & Fluid Capacities
Having factory torque specs and fluid limits on hand is essential for routine maintenance and eliminating guesswork. Engine performance data lists a peak torque of 215 lb-ft for naturally aspirated models and 306 lb-ft at 1600 rpm for the Cummins QSB3.3.
Fluid requirements are clearly mapped out by serial number and model line:
- Cooling System: 18 to 22 quarts (G9-43A).
- Transmission: 4.2-gallon capacity using Mobilfluid 424 (G6-42A).
- Hydraulic System: 43-gallon capacity (G6-42A).
Working on heavy lifting machinery requires absolute precision and strict adherence to safety standards. The capacities and factory specifications outlined above are provided to help qualified technicians, experienced mechanics, and shop owners understand standard assembly tolerances. Always verify data against the original OEM documentation and physical machine conditions before beginning any hands-on mechanical work or diagnostics.
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