Part of the Kubota Parts Manuals.
Order the wrong part and you lose days waiting on a return. This Kubota BX23D Parts Catalog PDF (OEM #11089) exists to stop that: 285 pages pinning down the exact factory number for every component, from diesel engine internals to the three-point hitch linkage. Itemized parts lists, backed by exploded-view diagrams for engine, drivetrain, chassis, and hydraulic assemblies, plus oil line schematics for the suction, delivery, and steering circuits. HST transmission internals, front differential, rear axle, control valve parts, PTO shafts, the full steering cylinder breakdown: each major system gets its own callout. Injection pump shim stock lists at 0.20mm, the crankcase assembly at 32 kgf. Those numbers confirm you're holding the right part, not the one that almost fits. Bookmarks drop you onto your system on any device.
What's Inside This Kubota BX23D Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Nozzle Holder and Glow Plug, Nozzle Holder, Fuel Tank, Fuel Pipe, Stop Solenoid, Speed Control Pedal | |
| Cooling System | Fan, Water Pipe, Radiator | |
| Engine | Crankcase, Cylinder Head, Inlet Manifold, Upper Gasket Kit, Hydraulic Piston/Lift Arm | |
| Electrical System | Dynamo, Starter, Battery, Panel Board, Switch/Sensor, Head Light, Hazard Light/Tail Light, Winker Lamp, Electrical Wiring, Alternator Kit, Alternator, Working Light Kit | |
| Clutch & Transmission | Transmission Case, Range Gear Shift Fork, PTO Gear Shift Fork, PTO Gear Shift Arm, Differential Lock Shift Fork, Range Gear Shift Lever, PTO Gear Shift Lever | |
| PTO | PTO Select Lever, PTO Protector | |
| Rear Axle, Differential & Brakes | Rear Axle Case, Rear Axle, Brake, Brake Pedal, Rear Wheel | |
| Front Axle & Steering | Front Wheel Drive Lever, Front Axle Case, Front Axle, Steering Handle, Steering Controller, Steering Linkage, Steering Cylinder, Front Wheel | |
| Hydraulics & 3-Point Hitch | Hydraulic Control Lever, Hydraulic Pump, Hydraulic Oil Line, Hydraulic Cylinder, Control Valve, Top Link | |
| Body & Operator Station | Head Cover, Front Frame, Sub Frame, Bonnet, Seat Support, Seat | |
| Decals & Accessories | Label, Accessories and Service Parts | |
| Other Components | Idle Apparatus, Engine Support, Neutral Holder Link, Smv Emblem, Spacer Kit |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| FUSE current rating | 15A | p. 117 |
| COMP.CRANKCASE Weight | 32 kgf | p. 8 |
| PISTON (STD) Weight | 0.335 kgf | p. 31 |
| COMP.CRANKSHAFT Weight | 8.5 kgf | p. 31 |
| SHIM INJECTION PUMP Thickness | 0.20mm | p. 40 |
| WASHER ADJUSTING Thickness | 0.10mm | p. 50 |
| FUSE (Electrical Wiring) | 15A | p. 117 |
| GEAR (Clutch Shaft/Output Shaft) | 13T | p. 129 |
| SHIM (Rear Differential) | 0.6mm | p. 143 |
| GEAR BEVEL (Front Axle) | 36T | p. 190 |
| BULB (Working Light) | 35W | p. 281 |
Kubota BX23D Common Problems This Manual Covers
Kubota BX23D won't start, need correct starter relay and solenoid part numbers to order
Pull the exploded views on pages 99 and 101. The Starter section lists the main starter assembly parts; Starter [Component Parts] breaks out the solenoid and internals individually. Match those part numbers against the Panel Board diagram on page 105 to pin down the relay positions, then confirm the 15A, 20A, and 30A fuse ratings on page 117 against what you pull from the fuse block before ordering.
Manual Section: Starter p. 99Key switch part number needed, intermittent no-start after electrical work
Find the key switch in the Switch/Sensor section, which starts on page 107 and covers the switch, sensors, and associated hardware. Cross-reference the Electrical Wiring diagram on page 116 to confirm the correct connector and harness part numbers for your serial range before you order.
Manual Section: Switch/Sensor p. 107Fuel shutoff stop solenoid part number unclear, tractor dies or won't start
Head to the Stop Solenoid section on page 92, where the exploded view lists the solenoid assembly and mounting hardware by individual part number. If the same order needs connected fuel line fittings, check the Fuel Pipe diagram on page 84 and Fuel Tank on page 82.
Manual Section: Stop Solenoid p. 92Transmission filter screen location unknown, need part number for HST maintenance
Open the Transmission Case section on page 124. That diagram covers the HST, clutch shaft, output shaft, and internal components; locate the filter screen in the parts list and note its number. The Rear Axle Case on page 126 adds context if the screen is reached from that side of the housing.
Manual Section: Transmission Case p. 124Wiring harness part number needed after damaged connector found during inspection
Check the Electrical Wiring section on page 116, which maps the full harness routing and lists each harness assembly by part number. Note the fuse ratings on page 117 (15A, 20A, 30A) while the panel is open, and use the Panel Board on page 105 to locate any damaged connector positions.
Manual Section: Electrical Wiring p. 116Battery cables and terminal hardware part numbers needed for voltage-drop diagnosis
Reference the Battery section on page 103. The exploded view lists the battery, cable assemblies, and terminal hardware by part number. Trace the positive cable to the starter using the Starter diagram on page 99, then follow the ground path and junction points through Electrical Wiring on page 116.
Manual Section: Battery p. 103Frequently Asked Questions
What are the replacement specifications for starter relay?
Listed as the "ASSY SWITCH MAGNETIC," the starter relay is part number 16285-63020. It weighs 0.95 kgf (2.09 lb). p. 102
Where can I find the stop solenoid part number for the Kubota BX23D?
The Stop Solenoid section on page 92 has the exploded view listing the solenoid assembly and mounting hardware by individual part number. For connected fuel system parts, the Fuel Pipe diagram is on page 84 and the Fuel Tank on page 82. p. 92
What HST and transmission components are covered in this parts catalog?
The Transmission Case section on page 124 covers the HST, clutch shaft, output shaft, and internal components with full part numbers. The Rear Axle Case section on page 126 adds detail on housing-side components. p. 124
Can I find battery cable and terminal part numbers in this catalog?
Yes. The Battery section on page 103 lists the battery, cable assemblies, and terminal hardware by part number. The Starter diagram on page 99 traces the positive cable path, and Electrical Wiring on page 116 covers the ground path and junction points. p. 103
Is this Kubota BX23D Parts Catalog a digital download?
A 285-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View it on computer, tablet, or phone, with no shipping wait.
Can I print this manual?
Yes. The PDF carries no DRM restrictions, so you can print any page or section you need for the shop. It works with any standard printer.
Can I find hydraulic circuit diagrams in this Kubota BX23D manual?
No. Complete hydraulic schematics with flow diagrams, valve configurations, and pressure specifications are not included; the manual carries parts diagrams for the hydraulic systems.
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