Part of the John Deere Repair Manuals.
Looking for the John Deere 1445F, 1745F, 1845F, 2345F technical manual PDF? All 205 pages of TM4481 cover these four tractors end to end: engine, fuel and air intake, electrical, clutch, gearbox, both differentials, brakes, hydrostatic steering, power lift, body, and axle. You get a dedicated troubleshooting section for nearly every assembly, page after page of tightening torque tables, and exploded views that show exactly how each unit comes apart and goes back together. Step-by-step procedures walk you through PTO speed selection, bevel pinion assembly, and power lift pressure adjustment. Set final drive end play, adjust the anti-shock valve, and torque the rear differential to the factory numbers in the tables, not somebody's forum guess. Your tractor is down; stop improvising. Fully bookmarked PDF that opens on any device, so jump to the section and get wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Technical Data | 8-9 | Model Specifications, Inflating Pressure, Hydrostatic System, Power Lift, Electrical System, Lights |
| Maintenance | 10-15 | Greasing Points, Oil Replacement and Checking, Hydraulic Circuit, Cooling Circuit, Fuel Feed Circuit, Engine Air Intake Circuit |
| Special Tools | 16-19 | Mounting Tools, Extractors, Pressure Gauges, Wrenches, Valve Adjustment Tools, Mobile Supports |
| Fuel and Air Intake System | 22-25 | Accelerator Adjustment, Fuel Filter, Air Intake Filter, Fuel Pump, Fuel Injection Nozzles, Turbocharger |
| Electrical System | 26-35 | Wiring Diagram, Headlight Adjustment, PTO Safety Device, Signaling Switches, Fuses, Electrical Troubleshooting |
| Clutch and Gearbox | 36-60 | Clutch Adjustment, Clutch Unit Assembly, Gearbox Tightening Torque, Gearbox Components, Gear Speed Diagrams, Gearbox Troubleshooting |
| Rear Drivetrain (Differential and Final Drive) | 61-85 | Rear Differential Tightening, Locking Control Adjustment, Bevel Pinion Assembly, Differential Adjustment, Final Drive End Play, Drivetrain Troubleshooting |
| Front Drivetrain (Power Take-Off and Front Differential) | 86-115 | PTO Control Adjustment, PTO Speed Selection, PTO Final Drive Assembly, Front Differential Tightening, No-Spin Differential Lock, Front Drivetrain Troubleshooting |
| Brakes | 116-125 | Brake Tightening Torque, Service Brake Adjustment, Parking Brake Adjustment, Brake Control Linkages, Braking Unit Assembly, Brake Troubleshooting |
| Hydrostatic Steering System | 126-140 | Steering Tightening Torque, Pressure Adjustment, Anti-Shock Valve, Steering Travel Adjustment, Steering Column Assembly, Hydrosteering Troubleshooting |
| Lifter and Hydraulic Circuits | 141-170 | Hydraulic Tightening Torque, Circuit Diagrams, Power Lift Pressure Adjustment, Auxiliary Distributor, Controlled Position Adjustment, Hydraulic Troubleshooting |
| Body and Axle | 171-205 | Body Tightening Torque, Platform Disassembly, Body Troubleshooting, Axle Tightening Torque, Kingpin Assembly, Axle Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic circuit | 10-10-5 | p. 2 |
| Hydraulikkreis | 10-10-5 | p. 4 |
| Circuito di alimentazione | 10-10-7 | p. 2 |
| Circuit d'alimentation | 10-10-7 | p. 2 |
| Circuito di aspirazione aria motore | 10-10-8 | p. 2 |
| Circuit d'aspiration d'air du moteur | 10-10-8 | p. 2 |
| Hydraulic pump flow rate for lift at max power | 31 + 34 dm³/1' | p. 14 |
| Hydraulic pump flow rate for hydrostatic steering load sensing at max power | 31 + 34 dm³/1' | p. 14 |
| PINION-CROWN WHEEL MATING | 0.10-0.18 mm | p. 125 |
| PINION-CROWN COUPLING ADJUSTMENT | 19 Nm (2 kgm) | p. 126 |
| Hydrostatic Steering Max Pressure | 85-95 bar | p. 9 |




















