Finding the correct replacement numbers for your 1995-1998 crawler backhoe is straightforward with this complete 239-page Yanmar b27-2a parts catalog pdf. You get exploded views for every single assembly on your machine, covering the B27-2A (C)FRT, (C)SID, (P)FRT, (P)SID, and (C)EX variants. Open to highly detailed hydraulic parts breakdowns, full wiring diagrams with color legends, and exact component identification for the cabin, engine, chassis, drivetrain, and boom assemblies. Verify you have the proper battery cable (CORD(+)) listed and confirm you need exactly four 5x45 pins before calling the dealer parts counter. Ordering the wrong component wastes days of downtime. Grab this bookmarked file, pull it up on your shop tablet, and get the exact part numbers on the first try.
What's Inside This Yanmar B27-2A Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 1 | Parts Catalog Edition, Parts Catalog History, Model Name |
| Specifications | 2 | Engine, Dimensions, Std. Bucket Capacity, Max. Digging Depth, Travel Speed, Machine Mass |
| Painted Color | 3 | Part Description, Munsell Number, Color Code |
| Paint Part No. & Main Parts Color | 4 | Paint Color, Paint Part Number, Spray Type, Main Parts |
| Wiring Diagrams | 10-18 | Wire Color Legend, Electrical Components |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Battery cable (CORD(+)) | 1 | p. 50 |
| Battery cable (CORD(-)) | 1 | p. 50 |
| Heater switch | 1 | p. 66 |
| Wiper switch | 1 | p. 62 |
| Pin 5x45 | 4 | p. 33 |
| Std. bucket capacity | 0.05-0.11 m³ | p. 2 |
Yanmar B27-2A Common Problems This Manual Covers
Yanmar B27-2A machine will not start or is intermittently dead when turning the key p. 50
Inspect the positive battery cable routing on page 50. Replace the damaged CORD(+) assembly (qty 1) if the insulation is cracked or terminals are corroded. Cross-reference the wire color legend in the wiring diagrams on page 10 before ordering your replacement.
Manual Section: Wiring DiagramsExcessive play in the boom, arm, or bucket linkage during heavy digging operations p. 33
Check the boom linkage parts breakdown to identify worn hardware. Replace all pin 5x45 components (qty 4) shown on page 33 if the bore tolerance is too loose. Verify your machine supports a standard bucket capacity of 0.05-0.11 m³ on page 2 before ordering new pins.
Manual Section: SpecificationsEngine turns over but won't catch or electrical functions cut out unexpectedly in the cab p. 56
Test the safety start switch continuity. Locate the exact replacement safety start switch (qty 1) on page 56. Review the electrical components list in the wiring diagrams on page 10 to ensure you have the correct part number for your specific serial number range.
Manual Section: Wiring DiagramsIntermittent electrical failure at the operator console when toggling climate control or visibility accessories p. 66
Remove the faulty dashboard components and order the exact heater switch (qty 1) listed on page 66. If the window controls are also failing, identify the wiper switch (qty 1) on page 62. Ensure all replacement switches match the factory wire color legend.
Manual Section: Wiring DiagramsFrequently Asked Questions
How do you fix yanmar B27-2A machine will not start or is intermittently dead when turning the key?
Inspect the positive battery cable routing on page 50. Replace the damaged CORD(+) assembly (qty 1) if the insulation is cracked or terminals are corroded. Cross-reference the wire color legend in the wiring diagrams on page 10 before ordering your replacement.
How do you fix excessive play in the boom, arm, or bucket linkage during heavy digging operations?
Check the boom linkage parts breakdown to identify worn hardware. Replace all pin 5x45 components (qty 4) shown on page 33 if the bore tolerance is too loose. Verify your machine supports a standard bucket capacity of 0.05-0.11 m³ on page 2 before ordering new pins.
How do you fix engine turns over but won't catch or electrical functions cut out unexpectedly in the cab?
Test the safety start switch continuity. Locate the exact replacement safety start switch (qty 1) on page 56. Review the electrical components list in the wiring diagrams on page 10 to ensure you have the correct part number for your specific serial number range.
How do you fix intermittent electrical failure at the operator console when toggling climate control or visibility accessories?
Remove the faulty dashboard components and order the exact heater switch (qty 1) listed on page 66. If the window controls are also failing, identify the wiper switch (qty 1) on page 62. Ensure all replacement switches match the factory wire color legend.
How will I receive this Yanmar B27-2A Parts Catalog?
This is a 239-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print specific sections of this Yanmar B27-2A Parts Catalog?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Does this Yanmar B27-2A Parts Catalog cover the hydraulic system?
Included. A hydraulic system diagram shows the main hydraulic layout for the Yanmar B27-2A.
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