Part of the Yanmar Parts Manuals.
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
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 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.
How do you fix need exact wiring harness and battery part numbers to fix unpredictable operation of 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 harness part numbers exactly to avoid compatibility issues. p. 8
How will I receive this Yanmar B6U Parts Catalog?
Instant PDF download (8 MB). You get the full 553-page searchable Parts Catalog immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Can I print specific sections of this Yanmar B6U 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.
Are electrical wiring diagrams included in this Yanmar B6U Parts Catalog?
Yes. You'll find an electrical wiring diagram covering the main wiring layout.
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