Sourcing parts for your Yanmar B27-2 Crawler Backhoe? This 148-page parts catalog PDF (OEM #000Y00S3231) covers both the B27-2 - P (R) and B27-2 - C (R) variants with factory-accurate part numbers straight from Yanmar. Inside, a Picturesque Index maps every visible component (cabin labels, muffler, air cleaner, radiator mount, accelerator, engine mount) to its exact part number before you ever call a dealer. You get dedicated exploded-view sections for engine, hydraulic, cab, chassis, and boom assemblies, each broken down to individual components with cross-referenced part numbers for precise ordering. The specifications section confirms the B27-2's boom swing: 50 degrees left, 90 degrees right, so you can match hardware to the correct assembly side. Stop ordering the wrong part and waiting on returns. Bookmarked by system; search any part name or number and jump straight to the right exploded view.
What's Inside This Yanmar B27-2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 1 | OEM Part Number 000Y00S3231, B27-2-P(R)/C(R) Variant Coverage |
| Specifications | 2 | Model, Engine Type, Dimensions, Std. Bucket Capacity, Max. Digging Depth, Machine Mass, Boom Swing (50L/90R) |
| Vehicle Painted Color | 3 | Color Codes, Work Equipment, Bonnet, Fuel Tank, Hydraulic Oil Tank |
| Painted Color List | 4 | Work Equipment Part, Bonnet, Fuel Tank, Hyd. Oil Tank, Boom & Blade (Cylinder), Operational Part |
| Picturesque INDEX(1) Main Parts | 5 | - |
| Picturesque INDEX(2) Hydraulic Section | 6 | - |
| Picturesque INDEX(3) Figure 01-12 | 7 | - |
| Picturesque INDEX(3) Figure 13-24 | 8 | - |
| Picturesque INDEX(3) Figure 25-36 | 9 | - |
| Picturesque INDEX(3) Figure 37-48 | 10 | - |
| Picturesque INDEX(3) Figure 49-60 | 11 | - |
| Picturesque INDEX(3) Figure 61-63 | 12-148 | - |
| Picturesque INDEX(1) Main Parts | 5 | - |
| Picturesque INDEX(2) Hydraulic Section | 6 | - |
| Picturesque INDEX(3) Figure 01-12 | 7 | - |
| Picturesque INDEX(3) Figure 13-24 | 8 | - |
| Picturesque INDEX(3) Figure 25-36 | 9 | - |
| Picturesque INDEX(3) Figure 37-48 | 10 | - |
| Picturesque INDEX(3) Figure 49-60 | 11 | - |
| Picturesque INDEX(3) Figure 61-63 | 12-148 | - |
| Picturesque INDEX(1) Main Parts | 5 | - |
| Picturesque INDEX(2) Hydraulic Section | 6 | - |
| Picturesque INDEX(3) Figure 01-12 | 7 | - |
| Picturesque INDEX(3) Figure 13-24 | 8 | - |
| Picturesque INDEX(3) Figure 25-36 | 9 | - |
| Picturesque INDEX(3) Figure 37-48 | 10 | - |
| Picturesque INDEX(3) Figure 49-60 | 11 | - |
| Picturesque INDEX(3) Figure 61-63 | 12-148 | - |
| Picturesque INDEX(1) Main Parts | 5 | - |
| Picturesque INDEX(2) Hydraulic Section | 6 | - |
| Picturesque INDEX(3) Figure 01-12 | 7 | - |
| Picturesque INDEX(3) Figure 13-24 | 8 | - |
| Picturesque INDEX(3) Figure 25-36 | 9 | - |
| Picturesque INDEX(3) Figure 37-48 | 10 | - |
| Picturesque INDEX(3) Figure 49-60 | 11 | - |
| Picturesque INDEX(3) Figure 61-63 | 12-148 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Boom swing angle | Left 50 & Right 90 degree | p. 2 |
Yanmar B27-2 Common Problems This Manual Covers
Yanmar B27-2 hydraulic pump seal kit part numbers after complete loss of digging power
Check the Hydraulic Parts Diagram. Locate the exploded view of the main pump to identify the correct seal kit part number. Verify your machine matches the Left 50 & Right 90 degree boom swing angle specification before ordering replacement hydraulic components.
Manual Section: SpecificationsNeed exact replacement part numbers for final drive sprockets after severe vibration in forward gear
Inspect the Chassis Parts Diagram. Match your seized final drive components against the exploded chassis view to find exact replacement numbers. Confirm your machine falls within the correct Left 50 & Right 90 degree boom swing angle configuration to ensure lower track assembly compatibility.
Manual Section: SpecificationsCannot locate the correct starter motor assembly or battery cable part numbers for no-start condition
Review the Engine Parts Diagram. Find the starter motor and battery cable assemblies in the parts list. Cross-reference the part numbers with your serial number, keeping the Left 50 & Right 90 degree boom swing angle specification in mind when verifying overall build details.
Manual Section: SpecificationsStruggling to identify the correct boom cylinder rebuild kit after digging performance degrades
Open the Boom & Attachment Parts Diagram. Locate the main boom cylinder exploded view to extract the exact seal kit part number. Remember this machine features a Left 50 & Right 90 degree boom swing angle, so confirm you are viewing the proper swing bracket.
Manual Section: SpecificationsFrequently Asked Questions
What are the replacement specifications for Hydraulic filters?
The manual, a parts catalog, lists hydraulic filter elements. For instance, an 'ELEMENT' for the P.T.O. Valve is identified with part number 172165-75481. However, specific replacement intervals or detailed procedures are not provided in this catalog.
How do you fix yanmar B27-2 hydraulic pump seal kit part numbers after complete loss of digging power?
Check the Hydraulic Parts Diagram. Locate the exploded view of the main pump to identify the correct seal kit part number. Verify your machine matches the Left 50 & Right 90 degree boom swing angle specification before ordering replacement hydraulic components.
How do you fix need exact replacement part numbers for final drive sprockets after severe vibration in forward gear?
Inspect the Chassis Parts Diagram. Match your seized final drive components against the exploded chassis view to find exact replacement numbers. Confirm your machine falls within the correct Left 50 & Right 90 degree boom swing angle configuration to ensure lower track assembly compatibility.
How do you fix cannot locate the correct starter motor assembly or battery cable part numbers for no-start condition?
Review the Engine Parts Diagram. Find the starter motor and battery cable assemblies in the parts list. Cross-reference the part numbers with your serial number, keeping the Left 50 & Right 90 degree boom swing angle specification in mind when verifying overall build details.
How will I receive this Yanmar B27-2 Parts Catalog?
You get a 148-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Can I print specific sections of this Yanmar B27-2 Parts Catalog?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Document Quality
This document is a scanned PDF, but it includes an OCR layer, so you can search and copy text throughout. The text quality is generally clear and readable, though not as crisp as a native digital file. Diagrams and illustrations are raster images, meaning they will pixelate at high zoom, but their labels are consistently readable. The pages are clean with no noticeable scan artifacts or skewed content, and you will find raw OCR text on separate pages following some content pages.
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