Engine knock at load, clutch housing apart, PTO gears shot. Without exact OEM part numbers you're guessing. This L2550DT catalog covers crankshaft, oil pan, and clutch assembly start to finish.
Need the factory part numbers for your Kubota L2550DT? This 317-page parts catalog (OEM #12021) breaks down every assembly into exploded views, each component tagged with its OEM number, delivered as a PDF. Engine coverage runs 62 pages, from crankcase and piston assemblies through the injection pump and governor linkage. Drivetrain takes another 100 pages: dual-clutch, single-clutch, PTO counter shafts, and synchro-mesh gear forks. Hydraulic parts fill 48 pages of pumps, control valves, and 3-point linkage; the chassis section adds 40 more for hood, fender, seat, and ROPS hardware. Factory weights pin down what you're holding, with the crankcase listed at 30 kgf and the DC flywheel at 14.43 kgf, so the part on screen matches the part in your hand. No more guessing, no more return freight. Bookmarked throughout, so a keyword search pulls any part number in seconds.
What's Inside This Kubota L2550DT Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Crankcase | 5-6 | Plug, Cap Sealing, Pin Straight, Pipe Water Return, Liner Cylinder, Gasket, O Ring |
| Oil Pan | 7-8 | Gasket Oil Pan, Bolt, Plug, Gasket, Filter Oil, O Ring, Gauge Oil |
| Piston and Crankshaft | 9-10 | Piston, Crankshaft, Connecting Rod, Piston Ring, Piston Pin, Crankpin, Crankshaft Gear, Oil Slinger |
| Main Bearing Case | 11-12 | Assy Case Main Brg, Cover Bearing Case, Gasket Brg.case Cov, Assy Case Bearing |
| Flywheel(Dc) | 13-14 | Comp.flywheel, Gear Ring, Bolt Flywheel, Washer Flywheel, Comp.housing F-w., Pin Straight, Plug, Cover |
| Flywheel(Sc) | 15-16 | Comp.flywheel, Gear Ring, Bolt Flywheel, Washer Flywheel, Comp.housing F-w., Pin Straight, Plug, Cover |
| Cylinder Head | 17-18 | Hook Engine, Bolt, Stud, Nut, Washer Spring, Washer Plain, Cap Sealing |
| Valve and Rocker Arm | 19-20 | Valve Inlet, Valve Exhaust, Spring Valve, Retainer Valve Sp., Collet Valve Spring, Seal Valve Stem, Cap Valve, Assy Shaft R-arm |
| Nozzle and Glow Plug | 21-22 | Nozzle, Glow Plug, Pipe Injection, Clamp Pipe, Pipe Fuel Over Flow, Assy Pipe Over Flow, Seal Compression |
| Cylinder Head Cover | 23-24 | Nut Cap, Plate Element, Element Breather, Oil Shield Breather, Joint Breather Pipe, Pipe Breather, Clamp Pipe |
| Inlet Manifold | 25-26 | Manifold Inlet, Gasket In-manifold, Bolt |
| Camshaft | 27-28 | Tappet, Push Rod, Assy Camshaft, Screw Set, Gear Camshaft, Key Feather, Stopper Camshaft |
| Gear Case | 29-30 | Comp.case Gear, Plug, O Ring, Pin Start Spring, Pin Straight, Support Oil Filter, Gasket |
| Water Pump | 31-32 | Assy Pump Water, Body Water Pump, Bearing Ball, Impeller Water Pump, Assy Seal Mechanical, Flange Water Pump, Gasket Water Pump, Pin Snap |
| Water Flange | 33-34 | Comp.flange Water, Pipe Water Return, Gasket Water Flange, Band Pipe, Cover Thermostat, Gasket, Assy Thermostat |
| Fuel Camshaft | 35-36 | Assy Camshaft Fuel, Camshaft Fuel, Bearing Ball, Gear Injection Pump, Key Feather, Cir-clip External, Sleeve Governor, Cir-clip Gov. Sleeve |
| Injection Pump | 37-38 | Assy Pump Injection, Shim Injection Pump, Bolt, Stud, Nut, Washer Spring, Assy Cock Jet Start, Assy Pump Fuel |
| Injection Pump [Component Parts] | 39-40 | Assy Pump Injection, Plunger Pump, Valve Delivery, Spring Deliv.valve, Gasket Deliv.valve, Holder Deliv.valve, Seat Spring, O Ring |
| Engine Stop Lever | 41-42 | Assy Apparatus I/d, Assy Bolt Adjusting, Nut Cap, Gasket, Assy Lever Eng.stop, Cover Injection Pump, Shaft Lever, Seal Oil |
| Speed Control Plate 1 | 43-44 | Bolt Adjusting, Gasket, Nut Cap, Lever Speed Control, Key Feather, O Ring, Washer Plain, Collar |
| Speed Control Plate 2 | 45-46 | Lever Compensator, Spring Return, Collar, Housing Compensator, O Ring, Plug, Compensator Idle, Pin Straight |
| Governor | 47-48 | Comp.lever Governor, Assy Lever Fork, Comp.lever Fork, Lever Fork, Shaft Fork Lever, Bolt Lever Shaft, Holder Fork Lever, Spring Governor |
| Air Cleaner | 49-50 | Pipe Inlet, Band Pipe, Band Cord, Sencer Air Cleaner, Plug, Assy Holder Pipe, Protector Inlet Pipe, Bolt |
| Double Air Cleaner [Option] | 51-52 | Air Cleaner, Body Air Cleaner, Element Inner, Element Outer, Nut Wing, Cover Baffle, Cover Air Cleaner, Band Aircleaner |
| Pre-Cleaner [Option] | 53-54 | Pipe Inlet, Assy Precleaner, Chamber Dust, Cover, Band Pipe, Pipe Pre Cleaner, Bolt |
| Exhaust Manifold | 55-56 | Manifold Exhaust, Cover Manifold, Gasket Muffler, Bolt, Washer Spring, Nut, Gasket Ex-manifold, Stud |
| Muffler | 57-58 | Bolt, Gasket Muffler, Pipe Muffler, Band Muffler, Nut, Washer Spring, Washer Plain |
| Under Muffler [Option] | 59-60 | Pipe Muffler, Gasket Muffler, Muffler, Band Muffler, Band Pipe, Support Muffler, Cover |
| Stop Rod Except [Gr] | 61-62 | Stop Rod, Guide Stop Rod, Bolt Flange, Nut, Solenoid Stop, Rubber Release Rod, Lever Stop, Pin Snap |
| Accelerator Lever | 63-64 | Shaft Accel.control, Collar, Pin Spring, Spring, Washer Plain, Nut, Arm Accelerator, Gasket |
| Accelerator Linkage | 65-66 | Rod Accel., Joint Rod, Nut, Washer Plain, Pin Split, Link Accel., Support Accel.link, Bolt Flange |
| Fuel Tank | 67-68 | Assy Tank Fuel, Assy Cap Fuel Tank, Sponge, Gasket, Cushion, Spacer, Bolt, Washer Plain |
| Fuel Filter | 69-70 | Assy Pipe Fuel, Clip Pipe, Spring Pipe Protect, Pipe Fuel, Assy Filter Fuel, Bolt, Bracket Filter |
| Fuel Filter [Component Parts] | 71-72 | Assy Filter Fuel, Assy Body, Handle Filter, Gasket, Retainer Handle, Plate Thrust, O Ring, Screw With Washer |
| Fan | 73-74 | Coupling, Bolt, Washer Fan, Spacer, Disk Coupling, Shaft Joint, Shaft Drive, Nut |
| Water Pipe | 75-76 | Pipe Water, Band, Joint Water Pipe, Bolt Flange, Base Drain Cock, Plug, Washer With Rubber, Hose Drain |
| Radiator | 77-78 | Shroud Fan, Assy Cap, Assy Tank Reserve, Pipe Water Over Flow, Clip Pipe, Label Caution, Switch Water Level |
| Shutter | 79-80 | Frame Shutter, Bolt Flange, Plate Shutter, Clip Button, Absorber Sound, Rubber Seat Block, Stay Fuel Tank |
| Dynamo Except [Ca] | 81-82 | Assy Dynamo, Bolt, Washer Plain, Clamp Pipe, Nut, Washer Spring, Stay Dynamo, Pulley Fan Drive |
| Dynamo [Component Parts] | 83-84 | Assy Dynamo, Nut, Washer Spring, Pulley Dynamo, Fan Dynamo, Frame Drive End, Felt Oil, Cover Felt |
| Starter | 85-86 | Stud, Nut, Bolt, Washer Spring |
| Starter [Component Parts] | 87-90 | Assy Starter, Assy Yoke, Assy Armature, Switch Over Running, Assy Clutch, Frame Drive End, Switch Magnetic, Assy Switch Magnetic |
| Battery | 91-92 | Battery Dry, Senser Battery, Support Battery, Cushion Battery, Retainer Battery, Bolt Hook, Cord Battery, Cap Battery Rubber |
| Switch and Regulator Except [Fr][Gr][Po] | 93-94 | Switch And Regulator, Switch Safety, Spacer Bracket, Bracket Switch, Indicator Glow Plug, Assy Regulator, Switch Combination, Plug Blind |
| Panel [With Easy Checker] Except [Fr][Gr][Po][Au] | 95-96 | Assy Board Panel, Assy Tachometer, Assy Gauge Fuel, Assy Gauge Temp., Hood, Case, Glass With Gasket, Assy Plate |
| Panel [Without Easy Checker] [A][Fr][Gr][Po][Au] | 97-98 | Assy Board Panel, Assy Tachometer, Assy Gauge Fuel, Assy Gauge Temp., Hood, Case, Glass With Gasket, Assy Plate |
| Light Except [Fr] | 99-100 | Assy Light Hazard, Lens Hazard Light, Bulb Light, Assy Light Head Rh, Comp.cord Socket, Assy Reflector, Assy Light Tail, Lens Tail Light |
| Electrical Wiring [With Easy Checker] [A] | 101-102 | Assy Wire Harness, Wire Harness, Fuse, Link Fusible, Screw With Washer, Bolt, Clamp, Band Cord |
| Electrical Wiring [Without Easy Checker] [A][Au] | 103-104 | Assy Wire Harness, Wire Harness, Fuse, Link Fusible, Screw With Washer, Bolt, Clamp, Band Cord |
| Clutch(Dc) | 105-106 | Assy Clutch Dual, Comp.disk Clutch, Plate Pressure, Cover Clutch, Spring Diaphragm, Kit Lever Release, Comp Rod Release, Pin Joint |
| Clutch(Sc) | 107-108 | Comp.disk Clutch, Assy Plate Pressure, Bolt Reamer, Bolt, Washer Spring |
| Clutch Lever(Dc) | 109-110 | Lever Clutch, Fork Clutch Release, Key Fork, Bolt, Hub Clutch Release, Pin Spring, Nipple Grease, Bearing Thrust Ball |
| Clutch Lever(Sc) | 111-112 | Lever Clutch, Fork Clutch Release, Key Fork, Hub Clutch Release, Nipple Grease, Bearing Thrust Ball, Spring, Case Propellershaft |
| Clutch Pedal | 113-114 | Assy Rod Clutch, Rod Clutch, Turnbuckle, Pin Joint, Assy Pedal Clutch, Stopper Pedal, Tube Stopper |
| Clutch Housing | 115-116 | Gasket, Plug Drain, Plug Magneto, Washer With Rubber, Kit Plug, Washer Spring, Plug |
| Transmission Case | 117-118 | Case Transmission, Stud, Pin Straight, Nut, Washer Spring, Pipe, Bolt Flange, Case Mid |
| Main Shaft(Dc) | 119-120 | Shaft, Collar, Gear, Washer, Bearing Ball, Cir-clip Internal, Seal First Shaft, Guide |
| Main Shaft(Sc) | 121-122 | Shaft, Collar, Gear, Seal Oil, Cir-clip External, Washer, Bearing Ball |
| Counter Shaft [Constant Mesh] | 123-124 | Counter Shaft, Cover Bearing, O Ring, Cir-clip External, Washer, Bearing Ball, Collar, Gear |
| Counter Shaft [Synchro Mesh] | 125-126 | Countershaft, Cover Bearing, Cir-clip External, Washer, Bearing Ball, Collar, Gear, Ring Inner |
| Counter Shaft 2 | 127-128 | Shaft Gear, Cir-clip External, Boss Spline, Shifter, Clip, Bearing Ball, Retainer Bearing, Bolt |
| PTO Counter Shaft 1 (DC) | 129-130 | PTO Counter Shaft, Cover Bearing, O Ring, Cir-Clip External, Washer, Bearing Ball, Gear, Collar |
| PTO Counter Shaft 2 (DC) | 131-132 | Shaft Pto Gear, Spacer Bearing, Bearing Ball, Clip, Gear, Cir-clip External, Assy Countershaft, Bush |
| PTO Counter Shaft (Sc) | 133-134 | PTO Counter Shaft, Cover Bearing, O Ring, Cir-Clip External, Washer, Bearing Ball, Collar, Gear |
| PTO Shaft | 135-136 | Bearing Ball, Retainer Bearing, Cir-Clip External, Gear Mid PTO, Collar, Coupling, Seal Oil |
| Mid PTO | 137-138 | Case Drive, Gasket, Pin Knock, Bolt, Washer Spring, Plug Drain, Washer With Rubber, Cover Drive Case |
| Reverse Shaft | 139-140 | Cir-clip External, Gear, Bearing Roller, Bearing Ball, Collar, Bearing Needle, Stopper |
| Main and Shuttle Gear Shift Lever | 141-142 | Shaft Shuttle Cont., Arm Shuttle Change, Bolt Reamer, Washer Spring, Nut, Assy Lever M-change, Lever Main S-change |
| Main Gear Shift Linkage System | 143-144 | Shaft Main Control, Assy Bracket Pivot, Arm Select, Bolt Reamer, Comp.arm Shift Upper, Comp.arm Shift Lower, Shaft Link, Comp.link Conect |
| Main Gear Shift Fork [Constant Mesh] | 145-146 | Main Gear Shift Fork, Shaft Fork, Fork Shift, Arm S-change Front, Arm Main S-change, Assy Rod Change, Screw Rod-end Lh, Screw Rod-end Rh |
| Main Gear Shift Fork [Synchro Mesh] | 147-148 | Main Gear Shift Fork, Shaft S-change Fork, Arm S-change Front, Arm Main S-change, Assy Rod Change, Screw Rod-end Lh, Screw Rod-end Rh, Lever |
| Shuttle Gear Shift Fork | 149-150 | Shaft Fork, Assy Fork Shuttle, Arm Shuttle, Stopper S-change Arm, Rod Shuttle, Arm Connecting, Lever Shuttle |
| Hi-Lo Gear Shift Fork | 151-152 | Shaft Hi-lo Fork, Fork Hi-lo Shift, Arm Hi-lo Shift, Stopper S-change Arm, Lever Hi-lo Shift, Grip Lever |
| Speed Change Interlock | 153-154 | Plate Interlocker, Bolt Flange, Interlocker, Washer Plain, Pin Split, Rod Main S-change, Rod Shuttle, Rod Aux.s-change |
| PTO Gear Shift Fork (DC) | 155-156 | Rod Fork Lower, Spring, Ball, Bolt, Washer With Rubber, Seal Oil, Fork Shift Rear, Shifter Lower |
| PTO Gear Shift Fork (Sc) | 157-158 | Rod Fork Lower, Spring, Ball, Bolt, Washer With Rubber, Seal Oil, Fork Shift Rear, Pin Spring |
| PTO Gear Shift Lever | 159-160 | Comp.bracket Lever, Bush, O Ring, Bolt Flange, Rod Speed Change, Seal Oil, Holder Fork Rod, Lever Pto |
| PTO Interlock | 161-162 | Assy Guide Lever, Guide Lever, Stopper, Nut, Washer Spring, Washer Plain, Handle Stopper, Grip Lever |
| Spiral Bevel Pinion | 163-164 | Nut, Case Bearing, Shim, Bearing Taper-roller, Cover Bearing, Bolt, Collar Thrust |
| Rear Differential | 165-166 | Assy Differential, Case Differential, Cover Diff.case, Pin Straight, Shaft Diff.pinion, Pinion Diff., Washer Diff.pinion, Gear Diff.side Rh |
| Diff. Lock Pedal | 167-168 | Fork Shift, Pin Joint, Washer Plain, Pin Split, Shaft Diff.lock Fork, Washer Thrust, Seal Oil, Pin Spring |
| Rear Axle | 169-170 | Shaft Diff.gear Rh, Shaft Diff.gear Lh, Bearing Ball, Cir-clip Internal, Gear, Axle Rear, Spacer, Washer |
| Rear Wheel (11.2-24) | 171-172 | Rear Wheel, Tire, Tube, Cap Valve, Core Valve, Housing Valve Core, Nut Rim, Rim |
| Rear Wheel (12.4-24) | 173-174 | Rear Wheel, Tire, Tube, Cap Valve, Core Valve, Housing Valve Core, Nut Rim, Disk |
| Rear Wheel (13.6-16) | 175-176 | Assy Rear Wheel, Tire, Tube, Wheel, Housing Valve Core, Cap Valve, Core Valve, Nut Rim |
| Rear Wheel (355/80-D20) | 177-178 | Assy Rear Wheel, Assy Tube Tire, Tire Rear, Tube Tire, Cap Valve, Housing Valve Core, Core Valve, Nut Rim |
| Brake | 179-180 | Case Brake Rh, Case Brake Lh, Pin Straight, Stud, Bolt, Cam Brake, Plate Cam Rh, Plate Cam Lh |
| Brake Pedal | 181-182 | Assy Rod Brake, Rod Brake, Turnbuckle, Shaft Brake Pedal, Support Pedal Shaft, Assy Pedal Brake Rh, Pedal Brake Lh, Pin Spring |
| Front Axle | 183-184 | Flange Axle, O Ring, Stud, Washer Spring, Nut, Bolt, Gear Bevel, Axle |
| Front Axle Case | 185-186 | Case Axle Lh, Case Axle Rh, Plug, Washer With Rubber, Seal Oil, Bearing Ball, Cir-clip External, Shaft Bevel Gear |
| Diff.Gear Shaft | 187-188 | Case Bevel Gear, Pin Straight, Bolt, Washer Spring, O Ring, Shaft Diff Gear Lh, Gear Bevel, Bearing Ball |
| Front Diff.Case | 189-190 | Case Front Axle, Washer With Rubber, O Ring, Gauge Oil, Collar Seal, Seal Oil, Roller Taper, Shim |
| Front Differential | 191-192 | Case Differential, Shaft Pinion, Pinion Diff., Collar Pinion Thrust, Gear Diff.side, Pin Straight, Bearing Ball, Screw Adjusting |
| Propeller Shaft | 193-194 | Coupling, Pin Spring, Cover Shaft, O Ring, Seal, Bolt Flange, Bearing Ball |
| Front Wheel Drive Case | 195-196 | Case Drive, Pin Knock, Plug Drain, Plug Magneto, Shaft Drive, Gear Shift, Lever Shift |
| Front Wheel(7-16) | 197-198 | Assy Front Wheel, Tube, Cap Valve, Core Valve, Tire, Wheel, Label Tire Rh, Washer Spring |
| Front Wheel(25X8.50-14) Except [Fr] | 199-200 | Assy Wheel Front, Assy Front Wheel Rh, Tire, Valve Tire, Cap Valve, Core Valve, Assy Wheel, Label Tire Rh |
| Front Wheel(212/80-D15) | 201-202 | Assy Front Wheel, Tire, Tube, Valve Tire, Cap Valve, Core Valve, Assy Wheel, Label Tire Rh |
| Front Axle Frame | 203-204 | Frame Front Axle, Bolt, Washer Spring, Assy Bracket F-axle, Bush, Collar, Seal Oil, Washer Seal |
| Steering Linkage | 205-206 | Assy Rod Tie Lh, Cover Dust, Clip, Nut, Pin Split, Assy Rod Tie Rh, Assy End Tie Rod Rh, Rod Tie Outer |
| Steering (Ms) | 207-208 | Assy Steering, Bolt, Washer Spring, Support Steering, Arm Pitman, Shaft Joint, Pipe Protect. |
| Steering(Ps) | 209-210 | Assy Steering Power, Bolt, Washer Spring, Support Steering, Arm Pitman, Shaft Joint, Seal, Pipe Protect. |
| Steering(Ms) [Component Parts] | 211-212 | Assy Steering, Assy Box Gear, Assy Nut Ball, Bearing Thrust Ball, Shaft Sector, Assy Cover Side, Cover Rear, Seal Oil |
| Steering(Ps) [Component Parts] | 213-214 | Assy Steering Power, Assy Box Gear, Assy Nut Ball, Assy Valve, Assy Cover Side, Assy Cover Top, Assy Shaft Sector, Connector |
| Bevel Gear Case | 215-216 | Assy Shaft Joint, Washer Spring, Gasket, Bolt Flange, Washer With Rubber, Shaft Joint, Gear Bevel |
| Steering Handle | 217-218 | Assy Wheel Steering, Pad Steering, Washer Spring, Nut, Assy Post Steering, Comp.post Steering, Bush, Seal Oil |
| Orchard Kit [Option] | 219-220 | Manual Instruction, Lever Main Change, Lever Accel., Lever Shuttle Change, Assy Wheel Steering, Cap Steering Wheel |
| Hydraulic Pump(Ms) | 221-222 | Hydraulic Pump, Assy Pump Hydraulic, Holder Pump, Gear, Collar, Cir-clip, Bearing Ball, O Ring |
| Hydraulic Pump(Ps) | 223-224 | Hydraulic Pump, Holder Pump, Gear, Collar, Cir-clip, Bearing Ball, O Ring, Bolt Flange |
| Hydraulic Pump(Ms) [Component Parts] | 225-226 | Hydraulic Pump, Comp.gear And Metal, Ring Metal Seal, Square Ring, Seal Oil, Bolt Flange, Cir-clip Internal, O Ring |
| Hydraulic Pump(Ps) [Component Parts] | 227-228 | Assy Pump Hydraulic, Comp.gear Hyd.pump, Ring Metal Seal, Seal Oil, Bolt Flange, Cir-clip Internal, Pin Straight, O Ring |
| Hydraulic Oil Filter | 229-230 | Bracket Filter, O Ring, Bolt Flange, Joint Screw, Cartridge Oil Filter, Cover Blind, Plug, Assy Bracket Filter |
| Hydraulic Oil Line | 231-232 | Comp.pipe Inlet, O Ring, Bolt Flange, Pipe Rubber, Band Pipe, Assy Pipe Return, Body Elbow, Pin Band |
| Hydraulic Oil Line(Ps) | 233-234 | Comp.pipe Delivery, Joint, Gasket, Holder Pipe, Pipe Rubber, Bolt Flange, Assy Pipe Return, Clamp |
| Hydraulic Block | 235-236 | Assy Block Front Hyd, Cir-clip External, Pin Spring, Plug, Assy Valve Relief, Spring, Seat |
| Control Valve | 237-238 | Assy Valve Safety, Bulb, Spring Valve, Stopper Spring, O Ring, Nut, Bolt |
| Control Valve [Component Parts] | 239-242 | Assy Valve Control, Spring Spool, Plug, Poppet, Spring, O Ring, Retainer Rod, Plate |
| Draft Control Valve [Option] | 243-244 | Assy Valve Draft Con, Bolt, O Ring, Lever Draft Con., Pin Spring, Grip Lever, Guide Draft Lever, Nut Flange |
| Draft Control Valve [Component Parts] | 245-246 | Draft Control Valve, Lever Spool Drive, Cover Valve, Shaft Control Lever, Arm Control, Lever Feed Back |
| Cylinder Front Cover | 247-248 | Assy Cover Cyl.front, O Ring, Collar Adjusting, Cir-clip Internal, Shaft Hyd.adjust., Grip, Pin Spring, Washer Plain |
| Hydraulic Cylinder | 249-250 | Case Hyd.cylinder, Gasket, Stud, Bolt, Nut, Washer Spring, Plug |
| Lift Arm | 251-252 | Piston Hyd, Ring Back Up, Rod Hyd, Guide Hyd.rod, Pin Spring, Shaft Hyd.arm, Arm Hydraulic, Bush |
| Position Lever | 253-254 | Lever Position, Pin Spring, Bolt Flange, Grip Lever, Stopper, Washer Plain, Bolt, Guide Hyd.lever |
| Feed Back Lever | 255-256 | Lever Spool Drive, Arm Control, Set Plate, Washer, Spring Plate, Shaft Back Lever, Lever Feed Back, Rod Feed Back |
| Aux.Control Valve 1 [Option] | 257-258 | Aux.control Valve 1, Manual Construction, Assy Valve Aux.con., Connector, Holder Aux.con.valve, Stay Coupler, Stay Hazard Light, Support Coupler |
| Aux.Control Valve 2 [Option] | 259-260 | Control Valve, Bolt, Patch, Hose, Adapter, Cir-clip Internal, Support Coupler, Assy Coupler Female |
| Aux.Control Valve [Component Parts] | 261-262 | Assy Valve Aux.con., Valve Control, Assy Casing, Seal Penta, Scraper, Nipple Hose, O Ring, Link Lever |
| 3-Point Linkage 1 | 263-264 | Assy Link Top, Link Top, Nipple Grease, Joint Top Link, Nut Top Link, Pin Spring, Pin Joint, Pin Set |
| 3-Point Linkage 2 | 265-266 | Assy Rod Lift Rh, Rod Lift Lower, Rod Lift Upper, Pin Spring, Nut, Rod Lift Middle, Nipple Grease, Rod Lift Lh |
| Top Linkage Bracket [Option] | 267-268 | Rod Draft Control, Holder Control, Nut, Pin Joint, Washer Plain, Pin Split, Comp Holder Top Link, Pin Straight |
| Drawbar Except [Fr][Gr][Po] | 269-270 | Drawbar, Frame Drawbar, Pin Joint, Pin Snap, Pin Lower Link, Set Plate, Protector Pto, Holder Top Link Rh |
| Swinging Drawbar [Opiton] | 271-272 | Manual Instruction, Frame Drawbar, Bolt, Washer Spring, Pin Joint, Pin Snap, Label Pto(drawbar) |
| Front Grille [Old Type] | 273-274 | Front Grille, Assy Grille Front, Net Front Grille, Retainer Grille, Pipe |
| Front Grille [New Type] | 275-276 | Front Grille, Grille Front, Net Front Grille, Retainer Grille, Belt Grille Front, Belt Grille Rh, Belt Grille Lh |
| Light Grille Except [Fr] | 277-278 | Roof Front, Bolt Flange, Nut Spring, Grille Light Middle, Net Grille, Washer Spring, Grille Light Rh, Frame Light Grille |
| Front Grille Support [Old Type] | 279-280 | Front Grille Support, Support Air Cleaner, Band Air Cleaner, Washer Spring, Nut, Support Grille, Stay Front Grille Lh, Stay Front Grille Rh |
| Front Grille Support [New Type] | 281-282 | Front Grille Support, Support Air Cleaner, Band Air Cleaner, Washer Spring, Nut, Support Grille, Stay Front Grille, Support Bonnet |
| Hood(Bonnet) | 283-284 | Comp.bonnet Upper, Bolt Flange, Cushion, Pin Set, Washer Spring, Nut, Assy Cover Bonnet, Spring Bonnet Cover |
| Side Cover [Old Type] | 285-286 | Comp.cover Safety Rh, Comp.cover Safety Lh, Cushion, Bolt Flange, Comp.bonnet Side Rh, Comp.bonnet Side Lh, Comp Belt Side Rh, Comp Belt Side Lh |
| Side Cover [New Type] | 287-288 | Net Bonnet Side Rh, Net Bonnet Side Lh, Cushion, Bolt Flange, Comp.bonnet Side Rh, Comp.bonnet Side Lh, Comp Belt Side Rh, Comp Belt Side Lh |
| Rear Hood(Bonnet) | 289-291 | Reinforce, Bolt Flange, Comp.bonnet Rh, Comp.bonnet Rear Rh, Washer Plain |
| Main and PTO Change Cover [Old Type] | 292-293 | Main And Pto Change Cover, Cover Pto Change, Cover Side Lh, Cover Side Rh, Cover Change Upper, Cover Change Front, Cover Change Rear |
| Main and PTO Change Cover [New Type] | 294-295 | Main And Pto Change Cover, Comp.cover Pto, Bolt Flange, Washer Plain, Cushion, Board Switch, Cover Change Upper, Cover Change Front |
| Fender | 296-297 | Comp.fender Lh, Comp.fender Rh, Plug Blind, Nut Flange, Bolt Flange, Washer Plain, Balustrade, Cushion |
| Floor Seat [Old Type] | 298-299 | Comp.seat Floor, Cover Floor, Bolt Flange, Cap, Cap Rubber, Rubber Protector, Cover Rear, Support Fender Lh |
| Floor Seat [New Type] | 300-301 | Floor Seat, Comp.seat Floor, Cover Floor, Bolt Flange, Cap, Cap Rubber, Cushion Upper, Cushion Lower |
| Seat Except [Fr] | 302-303 | Seat, Bracket Seat Rh, Bracket Seat Lh, Comp Adjuster Seat, Cushion, Assy Suspention Seat, Base Seat Suspention, Link Support |
| Foot Cover | 304-305 | Assy Support Step Rh, Lock Brake, Spring Brake, Lever Parking, Pin Spring, Cushion, Rod Parking |
| Step [Old Type] | 306-307 | Comp.step Rh, Comp.step Lh, Cap, Bolt Flange, Cushion Upper, Cushion Lower, Spacer, Retainer Cushion |
| Step [New Type] | 308-309 | Comp.step Rh, Comp.step Lh, Bolt Flange, Cushion Upper, Cushion Lower, Spacer, Retainer Cushion, Support Step Rear |
| ROPS [A] | 310-311 | Frame Rops Lower Lh, Frame Rops Lower Rh, Bracket Chain Lh, Bracket Chain Rh, Bracket Joint, Frame Rops Upper, Assy Belt Seat |
| Label 1 Except [Fr] | 312-313 | Mark Model Rh, Mark Model Lh, Label Side Rh, Label Side Lh, Label Handle, Mascot, Washer Plain, Washer Spring |
| Label 2 Except [Fr] | 314-315 | Label Pto, Label Pedal, Label Air Cleaner, Label Shuttle, Label Rops Caution, Label Drawbar, Label Safety, Label Start Caution |
| Accessories and Service Parts | 316-317 | Manual Instruction, Parts List, Washer Spring, Washer Plain, Assy Key Main Switch, Assy Tool, Screw Driver, Spanner |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| FUSE | 10A | p. 102 |
| Crankcase Weight | 30 kgf | p. 6 |
| Flywheel(DC) Weight | 14.43 kgf | p. 14 |
| Gear Case Weight | 5.1 kgf | p. 30 |
| Injection Pump Weight | 2.2 kgf | p. 38 |
| Dynamo Weight | 3.2 kgf | p. 82 |
| Starter Weight | 3.8 kgf | p. 86 |
| Battery Weight | 14.9 kgf | p. 92 |
| Transmission Case Weight | 32 kgf | p. 118 |
| Main Shaft(DC) Gear Teeth | 22T | p. 120 |
| Counter Shaft [Constant Mesh] Gear Teeth | 42T | p. 124 |
| Spiral Bevel Pinion Shim Thickness | 0.5MM | p. 164 |
Kubota L2550DT Common Problems This Manual Covers
Kubota L2550DT transmission slips under load with heavy grinding noises from the main gear shafts p. 119
Inspect the drivetrain exploded views starting on page 119. Locate the correct part number for the 22T main shaft gear. Check page 123 for the constant mesh counter shaft assembly to verify the part number for the 42T replacement gear.
Manual Section: Main Shaft(Dc)Ignition switch engaged but the electrical system turns over slowly or fails to start completely p. 101
Review the electrical wiring parts list on page 101 to identify part numbers for the 10A and 15A circuit fuses. Examine the starter component breakdown on page 87 to order the correct internal rebuild kit for the 3.8 kgf starter unit.
Manual Section: Electrical Wiring [With Easy Checker] [A]Rear differential makes a heavy grinding noise and locks up during operation in the field p. 163
Cross-reference the spiral bevel pinion parts list on page 163 to find the correct replacement gear numbers. Verify the required 0.5MM shim thickness part numbers on page 164 to set proper gear backlash when rebuilding the rear differential assembly.
Manual Section: Spiral Bevel PinionEngine develops a loud knock and loses oil pressure while operating under a heavy load p. 29
Check the engine parts diagram on page 29 to identify the exact replacement bolts and gaskets for the gear case. Order the correct mounting hardware to safely secure the 5.1 kgf gear case assembly during your complete engine rebuild procedure.
Manual Section: Gear CaseFrequently Asked Questions
Does this Kubota L2550DT Parts Catalog cover the transmission gears if mine slips and grinds under load?
Yes. It includes the drivetrain exploded views starting on page 119, where you can find the part number for the 22T main shaft gear (page 120). For the constant mesh assembly, the counter shaft section gives you the 42T replacement gear part number (page 124).
If my L2550DT cranks slowly or won't start, what electrical parts can I look up here?
Use the electrical wiring parts list on page 101 to identify the circuit fuse part numbers, including the 10A fuse (page 102). For a no-crank condition, the starter component breakdown on page 87 lets you order the correct internal rebuild kit for the starter unit.
My rear differential is grinding and locking up, does this catalog help me rebuild it?
Yes. The spiral bevel pinion parts list on page 163 gives you the correct replacement gear numbers. To set proper gear backlash on reassembly, page 164 lists the part numbers for the required 0.5MM shim thickness.
For an engine knock with low oil pressure on the L2550DT, what does this catalog show?
It includes the engine gear case parts diagram on page 29 so you can identify the exact replacement bolts and gaskets. From there you can order the correct mounting hardware to secure the gear case assembly during an engine rebuild (page 29).
How quickly can I access this Kubota L2550DT manual after buying?
The 317-page searchable PDF downloads the moment your checkout clears. Open it on a laptop, tablet, or phone and carry it straight to the shop floor.
Can I print specific sections of this Kubota L2550DT Parts Catalog?
None at all. The PDF ships DRM-free, so print whatever sections you want to carry into the shop. Standard letter or A4 paper handles it fine.
Document Quality
This document is a scanned PDF, so you cannot search or copy text directly from its pages. The text is generally clear and readable, though it has the slightly softer appearance typical of scanned material rather than crisp digital text. Diagrams and illustrations are raster images, which means they may show some pixelation when magnified, but their labels are readable. All pages are clean with no noticeable scan artifacts, marks, or skewed content, and there are no blank filler pages.
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