John Deere 1350, 1550, 1750, 1850, 1950, 2250, 2450, 2650, 2850, 3050, 3350, 3650 Tractor TM4446 (Operation, Maintenance & Diagnostic Test Service Manual)

Technical Diagnostics & Test Reference: John Deere 50-Series Tractors (TM4446)

Models:

3-Cylinder Powertrains:
1350 Tractor , 1550 Tractor, 1750 Tractor, 1850 Tractor, 1950 Tractor

4-Cylinder Powertrains: 
2250 Tractor, 2450 Tractor, 2650 Tractor, 2850 Tractor

6-Cylinder Powertrains: 
3050 Tractor, 3350 Tractor, 3650 Tractor

Equipment Lineup: 

50-Series Utility & Field Tractors

Manual Details:

File Size : 57.0 MB
Total page : 591
Document Number: TM4446 
Format: PDF Digital Download
Manual Language: English
Supported Devices : PC, Mac, iOS, Android
Delivery : Instant access after purchase
File Format : PDF — Downloadable

Product Description

This comprehensive technical overview details the electronic logic, hydraulic system pressures, and powertrain troubleshooting frameworks contained in the official 591-page John Deere factory service manual TM4446. This specialized Operation and Test manual covers the extensive European and global 50-Series utility and field tractor lineup: 1350, 1550, 1750, 1850, 1950, 2250, 2450, 2650, 2850, 3050, 3350, and 3650.

Spanning nearly six hundred pages, TM4446 is a dedicated Operation and Test (Diagnostics) volume. It provides the diagnostic matrices, pressure testing benchmarks, and full-color wiring schematics necessary to isolate a failure before beginning a mechanical teardown.

TM4446 Contents:

SAFETY

ENGINE
Radiator and viscous fan drive
Tests

FUEL AND AIR INTAKE SYSTEM
Fuel tank, auxiliary fuel tank and water trap
Cold weather starting aids
Speed control linkage
Air cleaner

ELECTRICAL SYSTEM
General
Electrical diagrams (without cab)
Circuit diagnosis (without cab)
Sealed-beam lighting equipment
Electrical diagrams (with MC1 cab)
Circuit diagnosis (with MC1 cab)
Electrical diagrams (with SG2 cab)
Circuit diagnosis (with SG2 cab)
Electrical diagrams (with digital speed-hour meter)
Circuit diagnosis (with digital speed-hour meter)
Testing components
Starting motor
Alternator

POWER TRAIN
Clutch operating linkages
Single-stage engine clutch
Dual-stage engine clutch
Hi-Lo shift unit
Creeper transmission
Hydrostatic creeper transmission
Transmission shift linkages
Synchronized transmission and transmission oil pump
Collar shift transmission and transmission oil pumps
Differential
Final drives
Independent PTO’s
Continuous-running PTO’s
Front PTO
Front wheel drive u.j. drive shaft and disk clutch

STEERING SYSTEM AND BRAKES
Hydrostatic steering
Power steering
Manual steering
Hydraulic brakes
Handbrake
Hydraulic trailer brake

FAQ:

Q1: What tractor models are covered in the John Deere TM4446 service manual?
Ans: This manual covers John Deere 1350, 1550, 1750, 1850, 1950, 2250, 2450, 2650, 2850, 3050, 3350, and 3650 tractor models.

Q2: What type of information is included in this manual?
Ans: The manual includes operation details, maintenance procedures, diagnostic testing, troubleshooting steps, and technical service instructions.

Q3: Is TM4446 suitable for repair and workshop use?
Ans: Yes, this service manual is designed for technicians, mechanics, and tractor owners performing repairs and diagnostics.

Q4: Does the manual include diagrams and technical illustrations?
Ans: Yes, it contains detailed diagrams, component illustrations, and testing procedures to assist with servicing tasks.

Q5: Is the John Deere TM4446 manual available in printable PDF format?
Ans: Yes, the manual comes as a downloadable PDF file that can be viewed or printed on multiple devices.

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