Part of the Kubota Parts Manuals.
This Kubota Parts Catalog covers the B7300HSD compact tractor and documents the factory part numbers for the whole machine across 233 pages. Each component group is presented as an exploded diagram with a matching parts list showing the reference number, Kubota part number, quantity, and the serial number range each part fits.Use it to identify and order the right parts for the engine, fuel and cooling systems, clutch, hydraulic gear pump, hydrostatic transmission, drivetrain, front and rear axles, steering, brakes, and electrical system. The serial number and interchangeability columns let you confirm a part is correct for your tractor before you buy, which matters on a machine where components vary by serial range. It is the parts reference an owner or mechanic needs to service or rebuild a B7300HSD accurately.
What's Inside This Kubota B7300HSD Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Clutch & Transmission | Clutch, Clutch Shaft/Propeller Shaft, Transmission Case, HST, 2Nd/3Rd/4Th Shaft, Speed Change Lever | |
| Fuel System | Nozzle Holder and Glow Plug, Nozzle Holder, Injection Pump, Speed Control Plate, Governor, Fuel Pump, Air Cleaner, Accelerator Lever, Fuel Tank, Fuel Pipe, Fuel Filter | |
| Cooling System | Water Pump, Water Flange/Thermostat, Water Pipe, Radiator, Reserve Tank, Fan, Oil Cooler | |
| Engine | Crankcase, Oil Pan, Piston/Crankshaft, Main Bearing Case, Flywheel, Cylinder Head, Valve and Rocker Arm, Head Cover, Inlet Manifold, Exhaust Manifold, Camshaft, Gear Case, Lower Gasket Kit, Upper Gasket Kit, Muffler, Differential Gear Case | |
| Electrical System | Dynamo, Starter, Battery, Head Light, Hazard Light/Tail Light, Meter/Switch, Meter Kit, Meter, Wire Harness | |
| PTO | 5Th Shaft/PTO Shaft, Mid PTO | |
| Rear Axle, Differential & Brakes | Rear Differential, Differential Lock Pedal, Rear Axle Case, Rear Axle, Rear Wheel, Brake, Front Axle Case | |
| Front Axle & Steering | Front Wheel Drive Shaft, Front Drive Shaft, Front Differential, Front Axle, Front Wheel, Steering Wheel, Steering | |
| Hydraulics & 3-Point Hitch | Hydraulic Gear Pump, Hydraulic Oil Line, Flow Dividing Valve, Hydraulic Cylinder Case, Control Valve, Hydraulic Control Lever, Top Link, Lower Link, Lift Rod | |
| Body & Operator Station | Frame, Hood, Front Grille, Side Cover, Fender LH, Fender RH, Seat Stay, Seat, Step, ROPS | |
| Decals & Accessories | Label, Accessories and Service Parts |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Nozzle Holder (Washer Adjusting) Thickness | 0.900MM | p. 22 |
Kubota B7300HSD Common Problems This Manual Covers
Hydraulics and hitch lose function
A recurring complaint is the hydraulic pump not drawing fluid from the rear reservoir, so the three-point hitch and hydraulics stop working. The hydraulic gear pump section identifies the pump and its component parts.
Manual Section: Hydraulic Gear Pump p. 57Clutch wear or loss of power transfer
Clutch wear shows up as slipping or poor power transfer, and the catalog lists multiple clutch subcomponents that are typical wear items. The clutch section covers the disc, rod, pedal, and housing parts.
Manual Section: Clutch p. 55Hydrostatic drive weak or no movement
The HST can drive weakly or fail to move from internal wear or fluid problems. The HST section gives the exploded view and part numbers for the hydrostatic transmission and its components.
Manual Section: HST p. 111Overheating from cooling faults
Overheating can follow a clogged or damaged radiator and worn cooling components. The radiator section provides the diagram and part numbers for the cooling assembly.
Manual Section: Radiator p. 75Hard starting or no crank
Slow cranking or a no-start condition usually points to the starter or battery. The starter section lists the starter assembly and its component parts for a repair or swap.
Manual Section: Starter p. 81Clogged fuel filter starves the engine
A clogged fuel filter restricts fuel flow and can cause power loss or stalling. The fuel filter component-parts section identifies the filter and related pieces for a scheduled change.
Manual Section: Fuel Filter [Component Parts] p. 71Frequently Asked Questions
Which tractor does this parts catalog cover?
It covers the Kubota B7300HSD compact tractor. The catalog documents factory part numbers for the whole machine, from the engine and cooling system through the drivetrain, hydraulics, and electrical parts.
Does it include hydrostatic transmission parts?
Yes. The HST section shows the hydrostatic transmission assembly, and a following component-parts section breaks it down further, giving the part numbers needed for a repair or rebuild. p. 111
Does it list the hydraulic pump and three-point parts?
Yes. The hydraulic gear pump section identifies the pump and its component parts, and the catalog also covers the hydraulic oil lines and cylinder for the three-point and lift circuit. p. 57
Does it cover the clutch and drivetrain?
Yes. The clutch section lists the disc, rod, pedal, and housing, and the transmission and shaft sections cover the drivetrain, so you can order clutch and driveline parts by number. p. 55
What format is this manual in?
Immediate download of the complete 233-page searchable Parts Catalog. Read it on any device: laptop at your desk or phone out in the field.
Is this Kubota B7300HSD Parts Catalog printable?
Yes. The PDF carries no DRM restrictions, so print any page or section your shop needs. Works with any standard printer.
Can I find hydraulic circuit diagrams in this Kubota B7300HSD manual?
This is a parts catalog, so it shows exploded parts diagrams rather than circuit schematics. It includes detailed exploded views of the hydraulic components, pump, control valve, cylinder, and oil lines, with OEM part numbers, not wiring-style circuit diagrams.
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