This is the factory parts catalog for the Kubota B1550E, the 2WD version of Kubota's B1550 compact diesel tractor built between 1988 and 1999. Across 269 pages it lays out every assembly as an exploded diagram paired with Kubota part numbers, reference numbers, quantities, and the serial number ranges that tell you which version fits your machine.The catalog is organized by system: engine, fuel, cooling, electrical, clutch, transmission, hydraulics, PTO, axles, wheels, brakes, and steering. If you are rebuilding an assembly or ordering a single component, you can trace the exact part on the diagram and read off the number to hand your dealer.It is a parts reference, not a repair procedure book, so it identifies what goes where rather than how to torque or adjust it.
What's Inside This Kubota B1550E Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Clutch & Transmission | Clutch, Clutch Rod, Clutch Pedal, Clutch Housing, Transmission Case, Transmission Case Cover, 2Nd Shaft, 3Rd Shaft/5Th Shaft, 4Th Shaft, Reverse Shaft, Main Gear Shift Lever, Main Gear Shift Fork, Range Gear Shift Lever, PTO Gear Shift Lever | |
| Fuel System | Nozzle Holder, Fuel Pump, Injection Pump, Engine Stop Lever, Speed Control Plate, Governor, Air Cleaner, Engine Stop Rod, Accelerator Lever, Fuel Tank, Fuel Pipe, Fuel Filter | |
| Cooling System | Water Pump, Water Flange, Water Pipe, Radiator | |
| Engine | Crankcase, Oil Pan, Piston/Crankshaft, Main Bearing Case, Flywheel, Cylinder Head, Valve/Rocker Arm, Cylinder Head Cover, Inlet Manifold, Exhaust Manifold, Camshaft, Gear Case, Upper Gasket Kit, Lower Gasket Kit, Muffler, Horizontal Muffler | |
| Electrical System | Dynamo, Alternator, Starter, Battery, Light, Working Light, Panel / Switch, Panel Board, Wire Harness | |
| PTO | Rear PTO, Mid PTO, Front PTO | |
| Rear Axle, Differential & Brakes | Rear Differential, Rear Axle, Rear Axle Case, Rear Wheel, Brake, Brake Rod, Brake Pedal | |
| Front Axle & Steering | Propeller Shaft, Front Axle/Knuckle Arm, Front Wheel Hub, Front Wheel, Front Drive Lever, Manual Steering, Power Steering | |
| Hydraulics & 3-Point Hitch | Hydraulic Gear Pump, Hydraulic Pipe, Hydraulic Block, Lift Arm, Hyd.Cylinder Cap, Control Valve, Top Link, Lower Link | |
| Body & Operator Station | Front Axel Frame, Hood, Hood Cover Rear, Dust Cover, Tank Support, Fender, Seat, Step, ROPS | |
| Decals & Accessories | Label 1, Label 2, Accessories and Service Parts | |
| Other Components | Tension Pulley, 1St Shaft, Pinion Shaft Gear, Diff.Lock Pedal, Lifting Rod, Lace, Skirt |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Nozzle Adjusting Washer Thickness | 1.00MM | p. 25 |
| Injection Pump Shim Thickness | 0.20MM | p. 46 |
| Hydraulic Gear Pump, Gear Tooth Count | 27T | p. 70 |
| Fuse Rating | 15A | p. 115 |
| 2nd Shaft Gear Tooth Count | 29T | p. 133 |
| 3rd Shaft/5th Shaft Shim Thickness | 0.5MM | p. 135 |
| Pinion Shaft Gear Shim Thickness | 1.4MM | p. 139 |
| Rear PTO Gear Tooth Count | 22T | p. 145 |
| Rear Differential Bevel Gear Assembly Ratio | 6-37T | p. 159 |
| Rear Axle Gear Tooth Count | 55T | p. 163 |
| Front Wheel Hub Shim A Thickness | 1.0MM | p. 187 |
| Manual Steering Shim Thickness | 0.05MM | p. 205 |
Kubota B1550E Common Problems This Manual Covers
Hard starting after storage
B1550E tractors that have sat often crank but will not fire because the fuel filter is clogged or the tank screen is dirty. This catalog identifies the fuel filter and its component parts so you can order the right replacement.
Manual Section: Fuel Filter [Component Parts] p. 89Weak three-point hitch lift
Slow or weak hydraulic lift usually traces to a worn hydraulic gear pump or restricted flow. The catalog breaks the pump down into its individual components with part numbers.
Manual Section: Hydraulic Gear Pump p. 69Overheating under load
Packed cooling fins and a clogged radiator screen cause these compact tractors to run hot while mowing. The radiator assembly is diagrammed here so screens, hoses, and the core can be sourced.
Manual Section: Radiator p. 94PTO slips or will not engage
Worn PTO components and damaged shaft splines show up on older units run with heavy implements. The rear PTO section maps the gears and shafts for replacement.
Manual Section: Rear PTO p. 143Clutch wear and drag
Clutch wear is common on high-hour machines and can make shifting difficult. This section identifies the clutch disc, cover, and related hardware.
Manual Section: Clutch p. 67Starter and charging faults
Corroded connections and a tired starter cause slow or no-crank complaints on aging B1550E units. The starter and its component parts are diagrammed for rebuild or replacement.
Manual Section: Starter p. 97Rear axle seal leaks
Aged shaft seals let oil weep around the rear axle on older tractors. The rear axle section shows the seals, bearings, and case parts you need to order.
Manual Section: Rear Axle p. 162Frequently Asked Questions
Which Kubota tractor does this parts catalog cover?
It covers the Kubota B1550E, the 2WD variant of the B1550 compact diesel tractor. Part numbers, reference callouts, and serial number ranges throughout the book are specific to this model.
Does this include repair instructions or just parts?
It is a parts catalog. You get exploded diagrams, Kubota part numbers, quantities, and serial number ranges to identify and order components. It does not contain step by step repair or torque procedures.
Can I find hydraulic system parts in it?
Yes. The Hydraulic System coverage includes the hydraulic gear pump broken down into its component parts, so you can order pump internals and related fittings. p. 69
Does it cover the fuel injection components?
Yes. The injection pump is diagrammed along with the fuel pump, fuel tank, and fuel filter, so fuel delivery parts can be identified by number. p. 45
What format is this manual in?
Instant download of the full 269-page searchable Parts Catalog. Open it on any device, laptop at your desk or phone in the field.
Is this Kubota B1550E Parts Catalog printable?
No restrictions. Print single pages, full chapters, or the whole manual. The PDF is fully unlocked.
Are there hydraulic schematics in this Kubota B1550E manual?
Detailed exploded diagrams cover all hydraulic components, including the gear pump, control valve, and lift cylinder. It does not contain hydraulic schematics, flow diagrams, or pressure specifications.
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