JLG G10-55A, G12-55A Telehandler Parts Manual
728 pages · Publication 3126020_Rev_W
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What's inside
From the manual's own table of contents: 202 topics. See sample pages (PDF, 601 KB)
- SECTION 1 – FRAME & ATTACHING PARTS
- Frame Shrouding & Trim
- Axle & Wheel Mounting
- Outrigger Mounting
- SECTION 2 – BOOM
- First Boom Section
- Bearings, Pads, Spacers & Shims, (First Boom Section)
- Second Boom Section
- Bearings, Pads, Spacers & Shims, (Second Boom Section)
- Third Boom Section
- Bearings, Pads, Spacers & Shims, (Third Boom Section)
- Fourth Boom Section
- Bearings, Pads, Spacers & Shims, (Fourth Boom Section)
- Quick Switch Assembly
- SECTION 3 – ATTACHMENTS
- Tilt Carriage
- Buckets
- Side Tilt Carriage
- Truss Boom
- Truss Boom With Winch
- Degree Swing Carriage With Side Shift
- Sheet Material Handler
- Degree Drywall Swing Carriage Assembly
- Swing Carriage
Show all 202 topics
- Personnel Platform
- Fork Mounted Platform
- Forks
- Fork Mounted Lifting Hook
- Grapple Bucket
- Fork Pin Lock Installation
- Dual Fork Positioning Carriage Assembly
- Ft Mast With 72 In Carriage
- Ft Standard Mast
- Ft Side Tilt Electric Mast
- in Side Shift Carriage
- SECTION 4 – ENGINE & ATTACHING PARTS
- Engine Assembly - John Deere
- Engine Assembly - Perkins
- Engine Assembly - Cummins
- John Deere Engine
- Perkins Engine
- Cummins Engine
- Fuel Tank & Lines
- Radiator Assembly - John Deere Engine
- Radiator Assembly - Perkins Engine
- Radiator Assembly - Cummins Engine
- Air Cleaner Installation - John Deere Engine
- Air Cleaner Installation - Perkins Engine
- Air Cleaner Installation - Cummins Engine
- Exhaust Installation - John Deere Engine
- Exhaust Installation - Perkins Engine
- Exhaust Installation - Cummins Engine
- ZF Transmission
- ZF Transmission - Converter & Input
- ZF Transmission - Gearbox Housing
- ZF Transmission - Forward Gear Group
- ZF Transmission - Reverse Gear Group
- ZF Transmission - 1st Shaft Group
- ZF Transmission - 2nd Shaft Group
- ZF Transmission - 3rd Shaft Group
- ZF Transmission - 4th Shaft Group
- ZF Transmission - Power Take-Off
- ZF Transmission - Control Unit & Pressure Regulator
- ZF Transmission - Gearshift System
- ZF Transmission - Oil Pump, Filter & Dipstick
- ZF Transmission - Transfer Box
- SECTION 5 – DRIVE TRAIN
- Front Axle Assembly
- Front Axle - Central Housing & Steering
- Front Axle - Differential
- Front Axle - Hub Reduction
- Front Axle - Brakes
- Rear Axle Assembly
- Rear Axle - Central Housing & Steering
- Rear Axle - Differential
- Rear Axle - Hub Reduction
- Rear Axle - Brakes
- Drive Shaft
- Tires & Rims
- SECTION 6 – CAB
- Cab Assembly
- Suspension Seat
- Instrument Panel
- Heating Components
- Open Cab Heater
- Air Conditioning - John Deere Engine
- Air Conditioning - Perkins Engine
- Air Conditioning - Cummins Engine
- Air Conditioning Components
- SECTION 7 – CONTROLS
- Boom Joystick With Adjustable Tilt
- Hydraulic Controller - Sway
- Hydraulic Controller - Outrigger & Sway/Aux
- Steering Column & Attaching Parts
- Brake Pedal Assembly
- Accelerator Pedal
- SECTION 8 – HYDRAULIC CIRCUITS
- Supply Circuit - John Deere Engine
- Supply Circuit - Perkins Engine
- Supply Circuit - Cummins Engine
- Dump Circuit - John Deere Engine
- Dump Circuit - Perkins Engine
- Dump Circuit - Cummins Engine
- Steer Select - John Deere Engine
- Steer Select - Perkins & Cummins Engine
- Service/Park Brake - John Deere Engine
- Service/Park Brake - Perkins & Cummins Engine
- Boom Joystick - John Deere Engine
- Boom Joystick - Perkins & Cummins Engine
- Sway Controller - John Deere Engine
- Sway Controller - Perkins Engine
- Sway Controller - Cummins Engine
- Auxiliary Controller - John Deere Engine
- Auxiliary Controller - Perkins & Cummins Engine
- Outrigger Controller - John Deere Engine
- Outrigger Controller - Perkins & Cummins Engine
- Lift Cylinder - John Deere Engine
- Lift Cylinder - Perkins & Cummins Engine
- Crowd Cylinder - John Deere Engine
- Crowd Cylinder - Perkins & Cummins Engine
- Tilt & Tilt Compensating Cylinders - John Deere Engine
- Tilt & Tilt Compensating Cylinders - Perkins & Cummins Engine
- Auxiliary Function - John Deere Engine
- Auxiliary Function - Perkins & Cummins Engine
- Boom Hydraulics Assembly
- Sway Cylinder - John Deere Engine
- Sway Cylinder - Perkins Engine
- Sway Cylinder - Cummins Engine
- Outrigger Cylinders - John Deere Engine
- Outrigger Cylinders - Perkins Engine
- Outrigger Cylinders - Cummins Engine
- SECTION 9 – HYDRAULIC COMPONENTS
- Lift Cylinder
- Crowd Cylinder
- Tilt Cylinder
- Compensating Cylinder
- Sway Cylinder
- Stabilizer Cylinder
- Outrigger Cylinder Assembly
- Main Control Valve
- Hydraulic Pump
- Hydraulic Pump - Cummins Engine
- Hydraulic Tank Assembly - John Deere Engine
- Hydraulic Tank Assembly - Perkins Engine
- Hydraulic Tank Assembly - Cummins Engine
- Brake Valve
- Hydraulic Manifold
- Steer Select Valve - John Deere Engine
- Steer Select Valve - Perkins & Cummins Engine
- Degree Swing Carriage Cylinder
- Grapple Bucket Cylinder
- Side Tilt Carriage Cylinder
- 72” 90 Degree Swing Carriage Cylinder
- in Side Shift Carriage Cylinder
- SECTION 10 – ELECTRICAL
- Battery & Cables - John Deere & Perkins Engine
- Battery & Cables - Cummins Engine
- Engine Harness - John Deere Engine
- Engine Harness - Perkins Engine
- Engine Harness - Cummins Engine
- Vec Grid Htr Pwr Harness- Cummins Engine
- Chassis Harness - John Deere Engine
- Chassis Harness - Perkins & Cummins Engine
- Dash Harness
- Transmission Relay Harness - John Deere Engine
- Transmission Relay Harness - Perkins Engine
- Enclosed Cab Harness
- VEC Options Harness - John Deere Engine
- VEC Options Harness - Perkins Engine
- Auxiliary Electrics
- Power Distribution Box Installation
- Cab Work Light Harness
- Auxiliary Electric Harness
- A/C Harness
- SECTION 11 – DECALS
- Cab & Frame Decals
- Boom Decals
- SECTION 12 – OPTIONS
- Work Light Package
- Cold Start Installation - John Deere Engine
- Block Heater Assembly - John Deere Engine
- Block Heater Assembly - Perkins Engine
- Fender Installation
- Fuel/Water Separator Installation - John Deere
- Winch Installation
- Truss Boom Winch
- Winch Motor
- Sway Cylinder Valve
- Road Lights Installation
- Pintle Hook Installation
- Swing Cylinder
- Top Cab Glass Shield
- Front Cab Glass Shield
- Boom Work Light Harness
- Work Light Cab Harness
- Road Light & Frame Harness
- Road Light & Cab Harness
- Winch
- Arctic Package - Perkins Engine
- Arctic Package - Cummins Engine
- SECTION 13 – RECOMMENDED SPARE PARTS
- SECTION 14 – PART NUMBER INDEX
Inside this manual
Real pages from this parts manual (728 pages). Open the sample pages (PDF, 600 KB)
- Parts illustration, page 307: Figure 6-8 Air Conditioning - Perkins Engine
- Parts illustration, page 505: HYDRAULIC COMPONENTS
- Parts illustration, page 571: ELECTRICAL
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.
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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.
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, 728 pages
Quantity one is the manual described above.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).