Part of the John Deere Repair Manuals.
Hunting for a John Deere 301 technical manual PDF straight from the factory? This 344-page Technical Manual (OEM TM-1034, John Deere Dubuque Works) covers the JD301 and JD401 tractors together with the 7310 and JD401-A loaders and the 9250 backhoe, from tune-up and lubrication all the way through full tractor separation. Both engines are documented side by side, so the tables print a value for each: connecting rod cap screws take 65 ft-lbs on the diesel against 45 ft-lbs on the gasoline engine, and exhaust valve clearance is 0.018 in. against 0.022 in. Inside you get the full-machine electrical schematic with its wire-colour routing table and component connector pinouts (pages 94-96), covering the charging, starting, ignition and lighting circuits, plus colour-coded hydraulic system diagrams for both the Hi-Lo Shift and Reverser tractors (pages 226-227) and the rockshaft circuit (page 260). You also get diagnosis charts for the engine, fuel system and power train, with page after page of clutch, transmission, reverser and Hi-Lo shift procedures. Verify your charging output against the 12-volt specs before you condemn a good alternator. Bookmarked by system, this scanned PDF opens on any device; carry your tablet to the machine and start wrenching.
What's Inside This John Deere JD301, JD401, JD401-A Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 7-32 | Specifications, Predelivery and After-Sales Services, Tune-Up, Lubrication, Tractor Separation |
| Engine | 33-72 | Diagnosis, Basic Engine, Lubrication System, Governor and Speed Control Linkage, Cooling System, Specifications and Special Tools |
| Fuel System | 73-90 | Diagnosis, Fuel Tank, Transfer Pump and Filters, Air Intake System, Gasoline Carburetor, Diesel Fuel Injection Pump |
| Electrical System | 91-120 | Wiring Diagrams, Charging System, Starting Motor, Ignition System, Gauges and Switches |
| Power Train | 121-200 | Diagnosis, Clutch Assembly, Transmission, Reverser, Hi-Lo Shift Unit, Continuous Running and Transmission-Driven PTO, Independent PTO, Differential, Final Drives |
| Steering and Brakes | 201-224 | Hydraulic Brakes, Manual Steering, Power Steering |
| Hydraulic System | 225-310 | General Information, Testing and Diagnosis, Hydraulic Pump, Hydraulic Components, Rockshaft System, Selective Control Valve, 7310 Loader Control Valve, JD401-A Loader Control Valve, Backhoe Control Valve, Hydraulic Cylinders |
| Miscellaneous Components | 311-332 | Front End Support and Axle Assembly, 7310 Loader Frame, Boom and Bucket, Drott 4-In-1 Bucket, JD401-A Backhoe Frame, Specifications and Special Tools |
| Index | 333-344 | Alphabetical Index |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| both gasoline and diesel | ||
| Cylinder head bolt torque | 110 ft-lbs | p. 67 |
| Main bearing cap screw torque | 85 ft-lbs | p. 67 |
| Intake valve clearance | 0.014 in. | p. 8 |
| engine-specific | ||
| Connecting rod cap screw torque | 65 ft-lbs (diesel), 45 ft-lbs (gasoline) | p. 67 |
| Exhaust valve clearance | 0.022 in. (gasoline), 0.018 in. (diesel) | p. 8 |
| Compression ratio | 7.5:1 (gasoline), 16.2:1 (diesel) | p. 8 |
| gasoline only | ||
| Spark plug torque | 35 ft-lbs | p. 68 |
| diesel only | ||
| Injection nozzle-to-head torque | 16 ft-lbs | p. 68 |
| JD301 | ||
| Displacement (JD301) | 135 cu in. (gasoline), 152 cu in. (diesel) | p. 8 |
| JD401 | ||
| Displacement (JD401) | 180 cu in. (gasoline), 202 cu in. (diesel) | p. 8 |
| per model | ||
| Net flywheel horsepower at 2500 rpm | JD301: 43.0 hp; JD401: 59.0 hp | p. 8 |
| Fuel tank capacity | JD301: 16-1/2 US gal; JD401: 19-1/2 US gal | p. 9 |
| Engine cooling system capacity | JD301: 2.75 US gal; JD401: 3 US gal | p. 9 |
| All Models | ||
| Electrical system | 12 volts, negative ground | p. 8 |
| Transmission-hydraulic system capacity | 10 US gal | p. 9 |
| Rockshaft thermal relief valve opening pressure | 3500-4500 psi | p. 230 |
| per pump | ||
| Main hydraulic pump stand-by pressure | 2200-2300 psi (0.69 and 1.38 cu in. pumps), 2300-2400 psi (3.01 cu in. pump) | p. 229 |
| Main hydraulic pump minimum flow at 2000 psi | 6 gpm (0.69 cu in.), 11 gpm (1.38 cu in.), 26 gpm (3.01 cu in.) | p. 229 |
John Deere JD301, JD401, JD401-A Common Problems This Manual Covers
Engine cranks slowly or will not turn over in cold weather, starter drags
Test the battery before condemning the starter; the system is 12 volts, negative ground, per the Specifications table on page 8. Clean and tighten both cable ends and the frame ground strap, since a corroded connection mimics a dead battery. If the battery load-tests good, move to the starting motor checks in the electrical section beginning on page 91.
Manual Section: Starting Motor Malfunctions p. 8Engine hard to start, runs irregularly, lacks power under load, black or gray exhaust smoke
Replace the fuel filter and drain water from the tank sump before chasing bigger trouble; draw off a clear jarful and check it for dirt and cloudiness. Service the air intake next, since a plugged element alone will smoke black. Work through the fuel system troubleshooting starting on page 73 to isolate transfer pump or injection problems.
Manual Section: Fuel System Malfunctions p. 73Hydraulics and loader are slow everywhere, rockshaft lifts lazily, backhoe swings slowly
Before condemning the pump, bring the oil to 130-160 degrees F and run the engine at 2500 rpm — the manual's own test conditions on page 229. Stand-by pressure should hold 2200-2300 psi on the 0.69 and 1.38 cu in. pumps, or 2300-2400 psi on the 3.01 cu in. pump. If stand-by is correct but flow is low, the pump is worn; if stand-by is low, work the pressure control valve check first.
Manual Section: Hydraulic System - General Information, Testing and Diagnosis p. 229Frequently Asked Questions
What is the cylinder head bolt torque on the JD301 and JD401, and does it differ between the gasoline and diesel engines?
Head-to-block torque is 110 ft-lbs, and the manual prints it in both the DIESEL and the GASOLINE column, so it is the same for either engine (page 67). Watch the neighbouring row though: connecting rod cap screws are NOT the same — 65 ft-lbs on the diesel against 45 ft-lbs on the gasoline engine. p. 67
How do you fix john Deere 401 loader slow and jerky, lift and tilt weak, worse when hydraulic oil is cold?
Check transmission-hydraulic oil level first, then warm the system at half throttle for five minutes before judging performance. Replace a restricted hydraulic filter and bring engine speed up; a lugging engine starves the pump. Trace flow with the hydraulic schematic to separate a tired pump from a leaking cylinder. p. 225
How do you fix loader boom or bucket drifts down after raising, will not hold a load overnight?
Raise the boom, shut the engine off, and watch it for 15 minutes; steady settling means oil is bypassing somewhere. Inspect the selective control valve O-rings and cylinder piston seals, matching parts against the hydraulic parts diagram. Repack any cylinder that leaks internally rather than topping off oil.
How do you fix one loader function dead after removing and reinstalling loader, other functions work fine?
Relieve trapped pressure with the engine off by working each control lever through its full stroke, then reseat every quick coupler by hand and make sure each collar locks fully home — a coupler that is not seated keeps its check ball closed and blocks that one function. Compare hose routing against the hydraulic system diagram on page 226 before splitting anything apart. p. 226
Is this John Deere 301 Technical Manual a digital download?
All 344 pages arrive as one scanned PDF at checkout. Read it at the desk, then take the phone out to the machine.
Is this John Deere 301 Technical Manual printable?
You can. The PDF is unlocked and carries no copy protection, so print the sections you want and keep the file as your backup.
Does this John Deere 301 manual include hydraulic schematics?
Yes. There are two full colour-coded hydraulic system diagrams — page 226 "Hydraulic System for Tractors Equipped with Hi-Lo Shift" and page 227 "Hydraulic System for Tractors Equipped with Reverser Unit" — plus a rockshaft circuit diagram on page 260. Use the one that matches your transmission. p. 226
