Looking up factory part numbers for your Kubota B6000 Tractor? This 70-page parts catalog (OEM #11040) runs from the crankcase through the 3-point linkage hitch, organized by Kubota's own OEM reference numbering. It holds 29 exploded-view assembly groups and 36 pages of parts lists, each entry carrying reference numbers, quantities, and serial number applicability ranges. hydraulic parts diagrams lay out both the Oil Pressure Groups and the Control Valve assembly, so you can pin down every component. The cylinder head assembly is factory-listed at 9 kgf and the head bolt at 0.058 kgf, the exact OEM data you need to confirm a part fits before you order. Wrong part. Two-week backorder. Not this time. Every group is bookmarked and the text is keyword-searchable, so you can pull it up on your phone, read off the reference number, and call the dealer knowing it's right.
What's Inside This Kubota B6000 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Crankcase Group | 4-5 | Comp Head Cylinder, Comp Crankcase, Assy Filter Oil |
| Gear Case Group | 6-7 | Case Gear, Packing Gear Case, Apparatus Fuel Limit |
| Head Cover Group | 8-9 | Cover Head, Assy Shaft Decompress, Tappet |
| Cam Shaft Group | 10-11 | Comp Camshaft, Comp Gear Idle, Assy Pump Oil |
| Fuel Camshaft Group | 12-13 | Comp Camshaft Fuel, Comp Lever Fork, Comp Lever Governor |
| Crankshaft Group | 14-15 | Comp Crankshaft, Comp Flywheel, Comp Connecting Rod |
| Breather and Injection Pump Group | 16-17 | Assy Pump Injection, Comp Holder Nozzle, Breather |
| Cooling Fan and Radiator Group | 18-19 | Pulley Tension, Assy Dynamo, Assy Radiator |
| Air Cleaner and Muffler Group | 20-21 | Muffler, Assy Cleaner Air, Lebel Instruction |
| Mission and Differential Gear Case Group | 22-23 | Case Transmission, Cover Case Front, Holder Diff Bearing |
| Mission Gear Group | 24-26 | Shaft 1st, Gear 30, Seal Oil, Bearing Ball |
| Diffrential Group | 27-28 | Assy Differential, Plate Lock, Clutch Diff Lock |
| Speed Change Group | 29-31 | Shaft Fork, Rod Check, Label 5 |
| Rear Wheel and Brake Group | 32-34 | Case Axle Lh, Axle Rear, Assy Brake, Assy Rear Wheel |
| Clutch and Pedal Group | 35-37 | Assy Disk Clutch, Holder Release Beari, Shaft Drake Pedal, Rod Dill Lock |
| Oil Pressure Group 1 | 38-39 | Rod, Piston Oil Pressure, Shaft Oil Pressure A |
| Oil Pressure Group 2 | 40-41 | Assy Pump Oil Pressu, Filter Oil, Assy Valve Control |
| Contol Valve Group | 42-43 | Body Valve, Collar, Cover Valve |
| Steering Group | 44-47 | Assy Steering, Cover Side, Post Steering |
| Seat and Fender Group | 48-49 | Assy Seat, Support Seat Rear, Fender Lh |
| Bonnet and Radiator Support Group | 50-52 | Assy Bonnet, Comp Fulcrum Bonnet, Support Front Wheel, Bolt |
| Panel Group | 53-54 | Rubber Release Rod, Assy Panel, Assy Horn |
| Fuel Tank and Battery Group | 55-56 | Assy Tank Fuel, Assy Cap Fuel Tank, Lever Release |
| Fuel Filter Group | 57-58 | Assy Filter Fuel, Assy Filter Fuel 2, Assy Pump Fuel |
| Front Axle Case Group [B6000] | 59-60 | Pin Center, Case Front Axle 1, Case Front Wheel Gea |
| Front Axle Drive Group [B6000] | 61-62 | Packing 1, Joint Universal, Shaft Front Axle Dri |
| Front Wheel and Steering Group [B6000] | 63-64 | Stud, Assy Front Wheel 6-1, Kingpin 1 |
| Accelerator Pedal Group | 65-66 | Rod Accelerator Peda, Fulcrum Accelerator, Pedal Accelerator |
| Balustrade Group | 67-68 | Balustrade Lh, Plate Sub Lh, Stay |
| 3 Point Linkage Hitch Group [P] | 69-70 | Bracket Upper Link, Link Upper, Link Lower |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| COMP HEAD CYLINDER Weight | 9 kgf | p. 5 |
| PLUG BELCH (REF.No 004) Weight | 0.01 kgf | p. 5 |
| BOLT CYLINDER HEAD (REF.No 010) Weight | 0.058 kgf | p. 5 |
| PIPE WATER 3 (REF.No 022) Weight | 0.082 kgf | p. 5 |
| COMP SHAFT ROCKER AR (REF.No 021) Weight | 0.092 kgf | p. 9 |
| ASSY PUMP OIL (REF.No 019) Weight | 1.2 kgf | p. 11 |
| PISTON (REF.No 013) Weight | 0.354 kgf | p. 15 |
| FAN (REF.No 024) Weight | 0.155 kgf | p. 19 |
| COVER MUFFLER 1 (REF.No 006) Weight | 0.172 kgf | p. 21 |
| HOUSING CLUTCH (REF.No 040) Weight | 14 kgf | p. 23 |
| ASSY DIFFERENTIAL (REF.No 001) Weight | 3.5 kgf | p. 28 |
| PEDAL ACCELERATOR (REF.No 007) Weight | 0.17 kgf | p. 66 |
Kubota B6000 Common Problems This Manual Covers
Kubota B6000 exhaust sounds excessively loud due to a rusted out or rattling muffler cover assembly p. 21
Open the parts diagram on page 20 to spot the exact exhaust components for your unit. Find the part number for COVER MUFFLER 1 in the list on page 21. Check that the replacement cover matches the factory 0.172 kgf weight before fitting, which keeps vibration damping and fitment correct.
Manual Section: Air Cleaner and Muffler GroupEngine smokes heavily under load with excessive blow-by pushing oil out of the breather tube p. 15
Trace the exploded view on page 14 to identify connecting rod and piston part numbers. Match the standard PISTON part number on page 15 to your engine code. Confirm the new piston hits the 0.354 kgf weight requirement before it goes into the cylinder block.
Manual Section: Crankshaft GroupLow engine oil pressure warning light stays illuminated after the tractor warms up p. 11
Examine the lubrication system breakdown on page 10 to locate the oil pump assembly. Cross-reference the ASSY PUMP OIL part number on page 11 against your engine serial number. Verify the replacement pump weighs 1.2 kgf, which confirms the correct heavy-duty casting.
Manual Section: Cam Shaft GroupCannot locate the correct replacement housing part number for a cracked transmission case p. 23
Pull the drivetrain parts diagram on page 22 for the transmission case and clutch housing breakdown. Locate the HOUSING CLUTCH part number on page 23. Match the replacement cast iron housing to the original 14 kgf weight so it safely supports the tractor chassis.
Manual Section: Mission and Differential Gear Case GroupFrequently Asked Questions
What are the replacement specifications for Engine oil filter?
Part No. 15231-32012 ('ASSY FILTER OIL') is the listed replacement for the engine oil filter assembly. You'll find it in the CRANKCASE GROUP section of the parts book.
Is this Kubota B6000 Parts Manual a digital download?
Download the complete 70-page searchable Parts Manual right away. It opens on any device, whether that's a laptop at your desk or your phone in the field.
Is this Kubota B6000 Parts Manual printable?
Yes. The PDF carries no DRM restrictions, so you can print any page or section you need for your shop on any standard printer.
Can I find hydraulic circuit diagrams in this Kubota B6000 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.
Document Quality
This document is a scanned PDF, with an OCR layer applied to the textual pages. You can search and copy text from the parts lists and instructions, which are crisp and easy to read. The diagrams are scanned images, so their labels and part numbers are readable but will pixelate if zoomed in too far. Page condition is generally clean, with minimal scan artifacts or skewed pages. There are no notable blank or filler pages within the document.
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