Kubota built the L2350 through L3650 on shared bones, and this 612-page workshop manual (OEM #97897-11222) treats them that way: one volume for the L2350, L2650, L2950, L3450, and L3650. Wiring diagrams cover both 2WD and 4WD setups. Hydraulic schematics map the full position-control and relief-valve routing. Troubleshooting charts fill 20 pages, sorted by system, and another 200 pages walk through disassembly and service on the GST transmission, clutch, front axle, brakes, and electrical. Maintenance schedules span the 25-hour break-in through the 2-year service. You'll find the front wheel mounting screw torque (124 to 147 N·m, 91.2 to 108.0 ft-lbs) and the L2350 crankcase fill of 6.3 liters spelled out where you need them. Every section is bookmarked, so your phone jumps straight to the fix.
What's Inside This Kubota L2350–L3650 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety Instructions | 4-7 | - |
| Specificati0Ns | 8-17 | Engine, Capacities, Dimensions, Traveling system, Hydraulic system, Rear PTO, Mid PTO, Traction system |
| Dimensions | 18-20 | L2350, L2650, L2950, L3450, L3650 |
| Engine | 25-42 | Crankshaft, Piston and Piston Rings, Connecting Rod, Camshaft, Fuel Camshaft, Rocker Arm, Inlet and Exhaust Valves, Flywheel |
| Clutch | 43-48 | Single Plate Clutch, Dual Stage Clutch, Dry Type Single Stage Clutch, Dry Type Dual Stage Clutch |
| Transmission' | 49-82 | L2350 (Clutch Housing, Transmission Case), L2650, L2950, L3450, L3650 (Clutch Housing, Mid Case, L2650Gst, L2950Gst, L3450Gst |
| Differential Gear | 83-84 | Structure (Pinion Type), Operation (Traveling Straight Ahead, Turning a Corner, Differential Lock) |
| Rear Axle | 85-86 | L2350, L2650, L2950, L3450, L3650, Final Gears, Rear Axles |
| Brakes | 87-88 | Features of Wet Disc Brakes, Parking Brake, Fade, During Braking |
| Front Axle | 89-91 | Structure, Two Wheel Drive Type, Four-Wheel Drive Type, Front Wheel Alignment, Camber, Kingpin Angle, Caster, Toe-in |
| Steering | 92-109 | Steering Linkage, L2350, L2650 2WD, L2950 2WD, L3450 2WD, L3650 2WD, L2650 4WD, L2950 4WD |
| Hydraulic System | 110-132 | Hydraulic Circuit, L2350, L2650, L2950, L3450, L3650, Hydraulic Pump, Oil Pump |
| Electrical System | 133-162 | Wiring Diagram, Key Switch, Combination Switch, Color of Wiring, L2350 2WD Type, L2350 4WD Type, L2650, L2950 |
| Others | 163-174 | Tires (Types of Tire, Tread Adjustment, Rear Wheels, Wheel Hub, Tire Pressure, Tire Liquid Injection, Draining Water or Solution), Specifications of Implement Limitations |
| General | 177-222 | Tractor Identification, Handling Precautions for Electrical Parts and Wiring, Lubricants, Tightening Torques, Maintenance Check List |
| Separation | 223-260 | L2350 (Separating: Front Axle, Engine From Clutch Housing, Engine, Clutch Housing, Rear Axle Case and Brake Case, Hydraulic Cylinder, Transmission Case), L2650, L2950, L3450 |
| Transmission | 349-436 | L2350 (Clutch Housing, Transmission Case), L2650, L2950, L3450, L3650 (Clutch Housing, Mid Case, L2650Gst, L2950Gst, L3450Gst |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| L2350 | ||
| Front wheel mounting screw and nut torque | 124 to 147 N·m (12.6 to 15.0 kgf·m, 91.2 to 108.0 ft-lbs) | p. 227 |
| Regulator Relay Resistance (normal state) | 0 ohm | p. 591 |
| Engine Crankcase Capacity | 6.3 L (6.7 U.S. qts., 5.5 Imp. qts.) | p. 8 |
| Transmission Case Capacity | 28 L (7.4 U.S. gals., 6.2 Imp. gals.) | p. 8 |
| All Models | ||
| Alternator Pulley lock nut torque | 39.2 to 53.9 N·m (4.0 to 5.5 kgf·m, 28.9 to 39.8 ft-lbs) | p. 594 |
| Clutch Pedal Free Play | 20 to 30 mm (0.79 to 1.20 in.) | p. 335 |
| Brake Pedal Free Play | 20 to 30 mm (0.8 to 1.2 in.) | p. 199 |
| Valve Clearance (Cold) | 0.18 to 0.22 mm (0.0071 to 0.0087 in.) | p. 268 |
| L2650, L2950, L2650GST, L2950GST | ||
| Engine Crankcase Capacity | 5.7 L (6.0 U.S. qts., 5.0 Imp. qts.) | p. 10 |
| L3450, L3650, L3450GST, L3650GST | ||
| Engine Crankcase Capacity | 8.5 L (8.9 U.S. qts., 7.5 Imp. qts.) | p. 11 |
| L2650, L2950, L3450, L3650 | ||
| Transmission Case Capacity | 28.5 L (7.7 U.S. gals., 6.3 Imp. gals.) | p. 10 |
| L2650GST, L2950GST, L3450GST, L3650GST | ||
| Transmission Case Capacity | 27 L (7.1 U.S. gals., 5.9 Imp. gals.) | p. 14 |
Kubota L2350–L3650 Series Common Problems This Manual Covers
Kubota L2350 tractor battery overcharging or charging voltage reading too high during normal operation p. 576
Inspect the alternator regulator wiring and its ground connections first. Read the battery terminal connection voltage on page 576; across the positive terminal post and cable terminal it should sit under 0.1 V. Then torque the alternator pulley lock nut to 39.2 to 53.9 N·m (28.9 to 39.8 ft-lbs) per page 594.
Manual Section: Electrical System TroubleshootingTractor clutch drags, slips, or chatters excessively when shifting gears under heavy load p. 335
Measure the clutch pedal free play first. On the L2950 and the rest of the lineup, the linkage should give 20 to 30 mm (0.79 to 1.20 in.) of travel, per page 335. Check the release bearing for wear, then lubricate the pivot points so the pedal stops binding.
Manual Section: Clutch TroubleshootingDiesel engine cranks but will not start or exhibits rough idle when cold p. 268
Check the valve clearance before you touch the fuel system. Set the cold valve clearance to 0.18 to 0.22 mm (0.0071 to 0.0087 in.) per the procedure on page 268. Verify the glow plugs are getting power, then tighten the crankshaft nut to 137.3 to 156.9 N·m (101.3 to 115.7 ft-lbs) per page 276.
Manual Section: Engine TroubleshootingUneven braking force applied to the rear wheels or brake drags during transport p. 199
Adjust the brake linkage so both sides match. Bring the brake pedal free play to 20 to 30 mm (0.8 to 1.2 in.), as directed on page 199. Inspect the return springs for fatigue, and grease the cam shafts if a pedal won't return all the way.
Manual Section: Brakes TroubleshootingFrequently Asked Questions
What are the torque specs for the cylinder head, wheel bolts, and loader mounts on a Kubota L2350/L2650/L2950/L3450/L3650?
Cylinder head screws take 83.4 to 88.3 N·m (61.5 to 65.1 ft-lbs); the cylinder head cover cap nuts take 6.9 to 8.8 N·m (5.1 to 6.5 ft-lbs). Front wheel mounting screws and nuts call for 124 to 147 N·m (91.2 to 108.0 ft-lbs); the rear wheel hardware needs 197 to 225 N·m (145 to 166 ft-lbs). The manual lists nothing under "loader mounts," but the front axle bracket screws may be what you're after: 123.6 to 147.1 N·m (91.1 to 108.5 ft-lbs) at the front (14 mm thread) and 103.0 to 117.7 N·m (75.9 to 86.8 ft-lbs) at the rear (12 mm thread).
What do Kubota L2350/L2650/L2950/L3450/L3650 error codes or warning lights mean?
These are warning lights, not error codes. The engine oil pressure lamp comes on when oil pressure drops below roughly 49 kPa (0.5 kgf/cm2, 7.1 psi). The battery charge lamp lights when charging goes wrong, and the air cleaner clogged lamp flags a blocked air cleaner.
Why will my Kubota L2350/L2650/L2950/L3450/L3650 not move forward or backward?
When the tractor won't move, start with the usual suspects: a misadjusted shift cable, a clogged hydraulic oil filter, or a failing hydraulic pump. A worn clutch pack disk, steel plate, or bad clutch pack sealing can also be to blame. Beyond that, a fault in the reducing, rotary, modulating, gate, or shuttle shift spool valve will keep it parked.
Why is my Kubota L2650 hard to shift / difficult to clutch / not engaging properly?
Hard shifting usually traces back to a worn or damaged shifter or shift fork, a bent fork, a damaged synchronizer, or shift linkage that's rusted or out of adjustment. A dragging clutch points to a sticking clutch disc boss spline, grease or oil on the disc, or a warped disc or pressure plate. Slipping comes from an excessively worn disc, a weakened Belleville spring, or a worn pilot bearing. Gears that clash on the shift usually mean the clutch isn't fully releasing.
Is this Kubota L2350–L3650 Series Workshop Manual a digital download?
Instant PDF download. The full 612-page searchable Workshop Manual lands in your hands right after payment. Open it on a laptop, tablet, or phone out in the shop.
Can I print specific sections of this Kubota L2350–L3650 Series Workshop Manual?
Yes. The PDF carries no DRM, so print any page or section your shop needs. Works with any standard printer.
Does this Kubota L2350–L3650 Series Workshop Manual have electrical diagrams?
Yes. Complete electrical wiring diagrams, wire routing, and connector pinouts are all in the manual.
Document Quality
This document is a scanned PDF, but it includes an OCR layer, allowing you to search and copy the full text. The text quality is crisp and consistently readable throughout. Diagrams and illustrations are clear raster images, with all labels remaining legible even when zoomed in. The pages are clean, free of stains, marks, or significant skewing. Please note that pages 2 and 20 are intentionally blank filler pages.
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