Part of the Yanmar Parts Manuals.
All 126 pages of this Yanmar YB101, B10 Excavator Parts Catalog (OEM #000Y00K2131) exist for one purpose: getting you the exact part number for every component on your crawler backhoe, whether you're running the YB101-2, YB101UZ(-2), or B10-R. Inside, exploded-view diagrams break every assembly into individually numbered components, from hydraulic oil pump and valve internals down to individual O-rings, seal sets, and spool bolts. You get complete parts listings for all five hydraulic cylinders, the full drivetrain (final case, sprocket, idler, track roller), cab and canopy components, and the entire hydraulic piping network from tank to swivel joint. The preface cross-references machine number ranges across all variants, so you confirm the right part number before placing an order. Your machine is down and the dealer wants a week. Bookmarked by system, searchable by keyword; pull the part number, make the call, get back to work.
What's Inside This Yanmar YB101 / B10 (Crawler Backhoe) Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Tank & Fuel Line | |
| Engine | Hyd. Oil Pump & Pump Mount | |
| Electrical System | Wiring Diagram, Work Lamp | |
| Hydraulics & 3-Point Hitch | Valve Mount, Boom Cylinder, Arm Cylinder, Bucket Cylinder, Blade Cylinder, Swing Cylinder, Hydraulic Oil Tank, Control Valve, Rd Valve Control, Rd Valve, Rd Valve Oil Piping | |
| Body & Operator Station | Engine Mount & Cover, Battary & Cable, Frame, Step & Instrument Panel, Seat & Seat Mount, Seat & Arm Rest, Bonnet, Canopy | |
| Decals & Accessories | Label, Labels, Tool | |
| Other Components | Preface, Specifications, Parts Name, Engine Control, Electric Part, Fianal Case & Sprocket, Idler, Track Roller & Crawler, Control Equipment, Operation Lever Stopper, Turning Driving Equipment & Greasing, Driving Motor, Turning Motor, Hyd. Oil Piping, Boom & Arm, Blade, Bucket |
Yanmar YB101 / B10 (Crawler Backhoe) Common Problems This Manual Covers
Yanmar YB101 crawler excavator loses travel power, tracks pull unevenly, or machine will not track straight p. 81
Inspect the exploded view for the travel system on page 81. Locate the correct driving motor assembly and seal kit part numbers for your serial number. Verify your replacement tracks match the standard track shoe width of 200 mm before ordering.
Manual Section: Driving MotorEngine experiences no power, stalling, or sudden power loss under heavy throttle or load p. 23
Check the fuel system diagram on page 23 to identify replacement fuel filters and lines. Match the fuel gauge unit and cap part numbers to your exact machine configuration. Ensure the replacement tank meets standard operating specs for this 2800 mm transport length machine.
Manual Section: Fuel Tank & Fuel LineHydraulic performance drops, bucket functions feel sluggish, or pump components become noisy and vibrate p. 85
Review the hydraulic oil tank components on page 85. Find the precise part numbers for the reservoir filter, cartridge, and rod filter elements. Order the exact replacement O-rings and seals listed to safely restore the standard 0.03 m³ bucket capacity operation.
Manual Section: Hydraulic Oil TankWeak charging system causes intermittent electrical operation, dead batteries, or unpredictable starting and lighting controls p. 6
Trace the electrical connections using the wiring diagram on page 6. Identify whether your machine uses the new type wiring or previous type wiring harnesses. Locate the exact part numbers for replacement battery cables and fuses to fix voltage drops affecting the 1.5 km/h travel speed.
Manual Section: Wiring DiagramFrequently Asked Questions
What are the replacement specifications for rubber tracks?
The replacement specifications for rubber tracks include a track shoe width of 200 mm. The part number for the CRAWLER ASSY, RUBBER is 172131-38600.
How do you fix crawler excavator that loses travel power, pulls unevenly, or will not track straight?
Inspect the exploded view for the travel system on page 81. Locate the correct driving motor assembly and seal kit part numbers for your serial number. Verify your replacement tracks match the standard track shoe width of 200 mm before ordering.
Which parts do I need if the engine stalls, loses power, or has fuel delivery problems?
Check the fuel system diagram on page 23 to identify replacement fuel filters and lines. Match the fuel gauge unit and cap part numbers to your exact machine configuration. Ensure the replacement tank meets standard operating specs for this 2800 mm transport length machine.
What parts restore hydraulic performance when the bucket feels sluggish or the pump is noisy?
Review the hydraulic oil tank components on page 85. Find the precise part numbers for the reservoir filter, cartridge, and rod filter elements. Order the exact replacement O-rings and seals listed to safely restore the standard 0.03 m3 bucket capacity operation.
How do I fix charging system failures causing dead batteries or unpredictable electrical operation?
Trace the electrical connections using the wiring diagram on page 6. Identify whether your machine uses the new type wiring or previous type wiring harnesses. Locate the exact part numbers for replacement battery cables and fuses to fix voltage drops affecting the 1.5 km/h travel speed.
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