Part of the John Deere Repair Manuals.
All 785 pages of this John Deere 3050, 3350, and 3650 Technical Manual (OEM #TM4443) zero in on one goal: giving you factory-level procedures for the complete tractor line. Inside, you get an extensive procedures section covering tractor separation, tune-up, and lubrication service, plus dedicated repair chapters for the power train (clutch systems, Hi-Lo shift unit, synchronized transmission, and differential), hydrostatic steering, hydraulic system (pumps, rockshaft, selective control valves), and the full SG2 cab including air conditioning and heating. Packed with exploded views and a torque section, every rebuild step is backed by real numbers. Set hydraulic system standby pressure to 19000 kPa (2760 psi) and confirm fan belt deflection at 19 mm with 90 N pull before buttoning the hood back up. Your 3050 is down and the clock is running. Jump to any system in seconds: bookmarked chapters mean you search by keyword, land on the spec, and get back to wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 9-18 | |
| General | 19-222 | Specifications, Predelivery, Delivery and After-Sales Inspections, Lubrication and Service, Tune-Up, Tractor Separation |
| Engine-Repair | 223-228 | Torques for Hardware, Draining Coolant, Removing Air Intake Line, Removing Radiator, Checking Fan V-Belt Tension, Checking Compressor V-Belt Tension |
| Fuel and Air Intake System-Repair | 229-239 | Fuel Tank, Auxiliary Fuel Tank and Water Trap, Cold Weather Starting Aids, Speed Control Linkage, Air Cleaner |
| Electrical System-Repair | 240-316 | Wiring Harnesses, Controls and Instruments, Adjusting Digital Speed-Hour Meter, Lighting System, Starting Motor, Alternator |
| Power Train-Repair | 317-497 | Clutch Operating Systems, Engine Clutch, Hi-Lo Shift Unit, Creeper Transmission, Synchronized Transmission, Differential |
| Steering System and Brakes-Repair | 498-565 | Hydrostatic Steering, Steering Cylinder, Hydraulic Brakes, Handbrake, Hydraulic Trailer Brake |
| Hydraulic Sistem-Repair | 566-669 | Valves, Hydraulic Pumps, Rockshaft, Front Hitch, Selective Control Valves, Iso Breakaway Couplers |
| Miscellaneous | 670-694 | Front Axle, Front and Rear Wheels, Axla Pick-Up Trailer Hitch, Height-Adjustable Trailer Hitch |
| Sg2 Cab-Repair | 695-785 | Safe Handling of Refrigerants, Servicing Air Conditioning System, Compressor, Cab Ventilation and Heating, Operator's Seats, SG2 Cab |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fan belt tension (midway between crankshaft and alternator or water pump) | 19 mm (3/4 in.) flex with 90 N (20 lb) pull | p. 228 |
| Battery Voltage/Capacity | 2 x 12 volts, 88 Ah | p. 35 |
| Hydraulic System Stand-by Pressure | 19000 kPa (190 bar; 2760 psi) | p. 37 |
| Fuel Tank Capacity | 121.0 liters (32.0 U.S. gal.) | p. 38 |
| Engine Crankcase Initial Filling | 12.0 liters (3.1 U.S. gal.) | p. 38 |
| Front Axle Housing Capacity | 7.0 liters (1.85 U.S. gal.) | p. 38 |
