JOHN DEERE 6120 - 6420 & 6120L - 6520L TRACTOR TEHNICAL REPAIR MANUAL (TM4647)

The John Deere 6120 - 6420 and 6120L - 6520L Tractor Repair Manual is an essential resource for owners, operators, and technicians who need detailed repair, service, and maintenance procedures for these powerful agricultural machines. This manual provides step-by-step instructions on engine diagnostics, transmission servicing, electrical system repairs, hydraulic system maintenance, PTO operation, steering adjustments, and more.

File Format: PDF

Size: 73.08 MB

No. of pages: 1904

Delivery Method: Instant Download – Access your file immediately after purchase.

Key Features:

✔ Safety & Precautions – Includes safety labels, fluid handling guidelines, emergency procedures, and maintenance best practices.

✔ Engine Repairs & Diagnostics – Covers fuel systems (Bosch VP44, Denso, Stanadyne), air intake, cooling systems, exhaust, and troubleshooting engine performance issues.

✔ Transmission & Powertrain – Detailed servicing instructions for AutoPowr/IVT, PowrQuad, AutoQuad, Power Reverser, SyncroPlus, and Creeper transmissions.

✔ Hydraulic & PTO Systems – Learn how to service rockshaft controls, hydraulic valves, front/rear PTO, and selective control valves (SCV).

✔ Electrical System & Wiring Diagrams – Step-by-step fuse box locations, wiring harness removal, sensor replacements, alternator/starter repairs, and diagnostic procedures.

✔ Steering & Brake Adjustments – Includes hydrostatic steering calibration, rear brake servicing, accumulator maintenance, and hydraulic brake system bleeding.

✔ Operator’s Cab & Air Conditioning – Instructions for cab suspension repairs, seat adjustments, climate control servicing, and HVAC troubleshooting.

✔ Troubleshooting & Error Codes – Comprehensive guide to diagnosing and fixing engine, transmission, hydraulic, and electrical faults.

✔ Technical Specifications & Torque Values – Get precise lubrication requirements, oil capacities, fluid types, and tightening torque specifications for all components.

Whether you're a farmer, technician, or repair specialist, this John Deere tractor repair manual provides the technical knowledge and practical guidance required to maintain and repair your 6120 - 6420 or 6120L - 6520L tractor efficiently. Download now and ensure peak performance of your equipment! 🚜