Need the exact replacement numbers for your Yanmar excavator? This 553-page Yanmar B6U, 4TNE88-3BY, 4TNE88-3CY Parts Catalog PDF (OEM #000Y00K3202) breaks down the complete chassis, cab, and boom assemblies for the B6U-1 variant. You get highly detailed exploded views of every system, complete component lists, and factory wiring diagrams covering the starter, alternator, and main harness. Open to any section to see every part mapped out from the cooling system radiator to the crawler track with clear cross-references. Verify your shim thickness at 0.5mm, or confirm you are ordering the correct 12V 70AH battery before calling the dealer. Stop wasting time pointing at broken components at the parts counter. Download this bookmarked file directly to your phone or tablet, find the exact component number, and get the right parts shipped today.
What's Inside This Yanmar B6U Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 1 | Yanmar Crawler Back - Hoe B6U & B6U - 1, Parts Catalog History, Model Name |
| Vehicle Painted Color | 2 | Under, Traveling Body, Blade, Counter Weight, Cover, Work Equipment, Protection Cover, Revo Frame |
| Paint Part No, | 3 | - |
| Wiring Diagram(M/#0050-712) | 8 | Battery, Starter, Alternator, Engine Stop Motor, Fuel Pump, Main Harness |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Shim thickness | 0.5mm | p. 136 |
| Spacer thickness | 1.0mm | p. 136 |
| Spring Pin Dimension | 5mm x 12mm | p. 38 |
| O-Ring P-type Diameter | 15.0 | p. 34 |
| O-Ring G-type Diameter | 80.0 | p. 36 |
| B6U-1, 4TNE88-3BY, 4TNE88-3CY | ||
| Battery Voltage & Capacity (Option 1) | 12V 70AH | p. 42 |
| Battery Model (Option 2) | 95D 31R | p. 44 |
| B6U | ||
| Lamp Bulb Wattage | 10W | p. 160 |
Yanmar B6U Common Problems This Manual Covers
Can't find the correct hydraulic seal kit part numbers for a Yanmar B6U boom cylinder that stops extending.
Inspect the Boom & Attachment Parts Diagram to identify the cylinder components. Verify the exact dust seal size required is 50X60X4 as shown on page 392. Cross-reference your serial number to ensure you order the right replacement kit for the lifting mechanism.
Manual Section: Boom & Attachment Parts DiagramNeed exact wiring harness and battery part numbers to fix unpredictable operation of electrical gauges and warning lights. p. 8
Check the Wiring Diagram on page 8 to locate the main harness and instrument cluster connections. If replacing the battery on a B6U-1, confirm the required specification is 12V 70AH from page 42. Match the harness part numbers exactly to avoid compatibility issues.
Manual Section: Wiring Diagram(M/#0050-712)Cannot find the exact O-ring and hose part numbers to fix severely leaking hydraulic lines.
Review the Hydraulic Parts Diagram to identify the correct hose and fitting part numbers. Confirm you are ordering the standard G-type O-ring with an 80.0 diameter as listed on page 36. Order the exact factory replacements to stop the fluid leaks.
Manual Section: Hydraulic Parts DiagramFrequently Asked Questions
How do you fix the correct hydraulic seal kit part numbers for a Yanmar B6U boom cylinder that stops extending?
Inspect the Boom & Attachment parts diagram to identify the cylinder components. Verify the exact dust seal size required is 50X60X4 as shown on page 392. Cross-reference your serial number to ensure you order the matching seal kit for your machine.
How do you find the exact wiring harness and battery part numbers for unpredictable electrical gauges and warning lights?
Check the Wiring Diagram on page 8 to locate the main harness and instrument cluster connections. If replacing the battery on a B6U-1, confirm the required specification is 12V 70AH from page 42. Match the connector type before ordering to avoid compatibility issues.
How do you identify the correct hydraulic hose and O-ring part numbers for a leaking fitting on the Yanmar B6U?
Review the Hydraulic Parts diagram to identify the correct hose and fitting part numbers. Confirm you are ordering the standard G-type O-ring with an 80.0 mm diameter as listed on page 36. Order the exact factory replacements to stop the fluid leak.
How will I receive this Yanmar B6U Parts Catalog?
A 553-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print specific sections of this Yanmar B6U Parts Catalog?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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