Part of the Yanmar Parts Manuals.
Tracking down the right replacement numbers for your 1998-2003 crawler backhoe is simple with this 245-page Yanmar B3-3 P, B3-3A P, B3-3A C parts catalog PDF (OEM #Y00K3612). You get clear exploded views of the entire machine, breaking down everything from the engine mounts and cab controls to the boom and bucket assemblies. Open the file to find complete OEM part numbers for every hydraulic component, plus detailed wiring diagrams mapping out the cabin electricals and relays. Verify exact factory setups, like ordering the correct SY110-S6/12V 36Ah battery or confirming the iron crawler versus rubber crawler track shoe types for your undercarriage. Stop ordering the wrong components and waiting on returns. Grab this bookmarked PDF, look up the exact number you need, and get your equipment back in the dirt.
What's Inside This Yanmar B3-3 / B3-3A Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 1 | Applicable Models, Parts Catalog History, Model Name, Purpose of Parts Catalog, Genuine Parts Usage |
| How to Read This Parts Catalog | 2 | Parts Mentioned, Parts Change, Form of Parts Catalog |
| Specification | 3 | Model, Engine, Dimensions, Bucket, Operations Scope, Performance |
| Vehicle Painted Color | 4 | Color Code, Painted Color, Munsell Number, Paint Part Number |
| Wiring Diagram | 5 | Relays and Fuses, Lamps, Cabin Electricals, Engine Electricals, Sensors and Switches |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Track shoe type | Iron crawler [Rubber crawler] | p. 3 |
| Battery | SY110-S6/12V, 36Ah | p. 3 |
Yanmar B3-3 / B3-3A Common Problems This Manual Covers
Need to order replacement track shoes and undercarriage wear parts for the Yanmar B3-3 P Crawler Backhoe.
Inspect the chassis parts diagram for undercarriage components. Identify whether your machine uses the Iron crawler [Rubber crawler] track shoe type listed on page 3. Match the reference numbers to the parts catalog list to ensure compatibility with your specific model variant.
Manual Section: Chassis Parts DiagramUnsure which electrical harness and relay part numbers fit the main cabin electrical system layout.
Review the wiring diagram on page 5 to identify cabin electrical components. If replacing battery cables or relays, confirm your system matches the SY110-S6/12V, 36Ah battery specification from page 3. Cross-reference the harness part numbers in the index to ensure proper fitment.
Manual Section: Wiring Diagram p. 5Struggling to match aftermarket hydraulic hoses with the correct OEM part numbers for the main pump.
Examine the hydraulic parts diagram to find the exact hose routing. Match the reference numbers in the exploded view to the parts list. Check your machine track shoe type (Iron crawler [Rubber crawler]) on page 3 to verify you are ordering the correct travel motor hoses.
Manual Section: Hydraulic Parts DiagramUnable to locate the correct OEM part numbers for the engine oil filter and fuel filter.
Check the engine parts diagram. Find the filter assembly reference numbers in the exploded view and verify the part numbers in the list. Ensure your electrical system matches the SY110-S6/12V, 36Ah battery specification on page 3 when ordering replacement engine sensors or starter components.
Manual Section: Engine Parts DiagramFrequently Asked Questions
Where is the serial number on a Yanmar B3-3 mini excavator?
The machine serial number and engine serial number are stamped into a specific location on the machine. This location is indicated by an arrow in the diagrams provided in the manual, pointing to the engine block/frame area. p. 19
How do I find parts for a Yanmar B3 excavator?
To find parts for a Yanmar B3 excavator, refer to the Parts Catalog which lists parts by reference number, part number, description, and quantity. It is important to note that parts mentioned may not necessarily be standard equipping parts. p. 2
What do I get after purchasing this Yanmar B3-3 P, B3-3A P, B3-3A C manual?
Immediate download of the complete 245-page searchable Parts Catalog (6 MB). Access it on any device, from a laptop at your desk to a phone in the field.
Can I print this Yanmar B3-3 P, B3-3A P, B3-3A C manual?
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 B3-3 P, B3-3A P, B3-3A?
Yes, an electrical wiring diagram is included to help trace the main circuits.
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