Kubota B21 Tractor Parts Manual
366 pages · Publication B21
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- Models
- B21
- Manual type
- Parts Manual
- Pages
- 366
- Publication
- B21
- Condition
- Brand new

What's inside
From the manual's own table of contents: 134 topics. See sample pages (PDF, 186 KB)
- Instructions for Parts Books
- CRANKCASE
- OIL PAN
- CYLINDER HEAD
- GEAR CASE
- HEAD COVER
- OIL FILTER
- MAIN BEARING CASE
- CAMSHAFT AND IDLE GEAR SHAFT
- PISTON AND CRANKSHAFT
- FLYWHEEL
- FUEL CAMSHAFT AND GOVERNOR SHAFT
- IDLE APPARATUS
- INJECTION PUMP
- GOVERNOR
- SPEED CONTROL PLATE
- NOZZLE HOLDER AND GLOW PLUG
- NOZZLE HOLDER [COMPONENT PARTS]
- FUEL PUMP(MECHANICAL)
- WATER FLANGE AND THERMOSTAT
- WATER PUMP
- VALVE AND ROCKER ARM
- INLET MANIFOLD
- EXHAUST MANIFOLD
Show all 134 topics
- AIR CLEANER
- MUFFLER
- UPPER GASKET KIT
- LOWER GASKET KIT
- ACCELERATOR LEVER
- FUEL TANK
- FUEL PIPE
- FUEL FILTER [COMPONENT PARTS]
- WATER PIPE
- RADIATOR [EXCEPT [AU]]
- RADIATOR [AU]
- STOP SOLENOID
- ALTERNATOR
- ALTERNATOR [COMPONENT PARTS]
- STARTER
- STARTER [COMPONENT PARTS]
- BATTERY
- SWITCH
- PANEL BOARD
- PANEL BOARD [COMPONENT PARTS]
- HEAD LIGHT
- HAZARD LIGHT
- TAIL LIGHT
- WINKER LAMP
- ELECTRICAL WIRING
- CLUTCH
- CLUTCH ROD
- CLUTCH PEDAL
- CLUTCH HOUSING
- CENTER FRAME
- TRANSMISSION CASE
- DIFFERENTIAL GEAR CASE
- REAR AXLE CASE
- CLUTCH SHAFT
- PROPELLER SHAFT
- HST [COMPONENT PARTS]
- FRONT SHAFT
- 2ND SHAFT/3RD SHAFT/4TH SHAFT
- PTO SHAFT
- REAR DIFFERENTIAL
- FRONT WHEEL PROPELLER SHAFT
- RANGE GEAR SHIFT FORK
- REAR AXLE
- BRAKE
- PARKING BRAKE LEVER
- NEUTRAL HOLDER LINK
- SPEED CONTROL PEDAL
- RANGE GEAR SHIFT LEVER
- RANGE GEAR SHIFT ROD
- FRONT WHEEL DRIVE LEVER
- PTO GEAR SHIFT LEVER
- HYDRAULIC CONTROL LEVER
- HYDRAULIC CHANGE ROD
- BRAKE PEDAL
- DIFFERENTIAL LOCK PEDAL
- FRONT AXLE FRAME
- FRONT AXLE CASE
- FRONT DIFFERENTIAL
- BEVEL GEAR CASE
- FRONT AXLE
- FRONT DRIVE SHAFT
- DRAG LINK
- TIE ROD
- STEERING HANDLE
- HYDRAULIC PUMP(PS)
- HYDRAULIC PUMP(PS) [COMPONENT PARTS]
- HYDRAULIC PUMP
- HYDRAULIC PUMP [COMPONENT PARTS]
- OIL TANK
- HYDRAULIC OIL LINE(SUCTION)
- FLOW DIVIDER VALVE [COMPONENT PARTS]
- HYDRAULIC OIL LINE(DELIVERY)
- HYDRAULIC OIL LINE(STEERING)
- HYDRAULIC OIL LINE(BACKHOE)
- HYDRAULIC OIL LINE(HST)
- HYDRAULIC OIL LINE(OIL COOLER)
- HYDRAULIC OIL LINE(F/M)
- HYDRAULIC CYLINDER
- CONTROL VALVE
- CONTROL VALVE [COMPONENT PARTS]
- HYDRAULIC OUTLET
- HYDRAULIC OUTLET [COMPONENT PARTS]
- 3-POINT LINKAGE 2(LIFT ROD)
- HITCH/LOWER LINK
- 3-POINT LINKAGE 1(TOP LINK)
- PTO PROTECTOR [EXCEPT [AU]]
- PTO PROTECTOR [AU]
- BONNET [EXCEPT [AU]]
- BONNET [AU]
- PANEL COVER/SHUTTER PLATE [EXCEPT [AU]]
- PANEL COVER/SHUTTER PLATE [AU]
- FENDER LH [EXCEPT [AU]]
- FENDER LH [AU]
- FENDER RH [EXCEPT [AU]]
- FENDER RH [AU]
- SEAT
- SEAT TURN TABLE
- BASE SEAT TURN TABLE
- SEAT ADJUSTER
- STEP
- MAIN FLAME
- ROPS/FOPS
- SMV EMBLEM(BRACKET)
- LABEL [A] [CA] [ENGLISH]
- LABEL [A] [CA] [FRENCH]
- LABEL [AU]
- ACCESSORIES AND SERVICE PARTS
- WORKING LIGHT KIT [OPTION]
- WIRE HARNESS KIT [OPTION] [AU]
- DRAWBER KIT [OPTION]
Inside this manual
Real pages from this parts manual (366 pages). Open the sample pages (PDF, 186 KB)
- Parts illustration, page 267: HYDRAULIC OIL LINE(BACKHOE)
- Parts illustration, page 282: CONTROL VALVE [COMPONENT PARTS]
- Parts illustration, page 312: FENDER LH [AU]
This is a parts manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 366 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).