Tracking down the right replacement components for your Yanmar crawler backhoe just got easier with this 252-page Yanmar YB301 Parts Catalog PDF (OEM #000Y00K2013), covering the YB351, alongside the -1, -2, and UZ variants. You get highly detailed exploded views of the entire machine, from the swing cylinder to the track frame assemblies. Open to the hydraulic oil piping section to see exact fluid routing, or verify your electrical runs with complete wiring diagrams. Confirm your specific machine configuration using the factory dimension charts, noting the 4610 mm overall length on the standard YB301 versus the 4840 mm frame on the YB351. Stop ordering the wrong components from aftermarket sites. Download this bookmarked file directly to your tablet, find the exact OEM part number, and get your equipment back to work.
What's Inside This Yanmar YB301 / YB351 Series Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Label (Canopy) Previous Type | 6-8 | Set, Grease Label, Yanmar Label, Turbo Label, Sub-Tank Label |
| Tool | 20-21 | Bag, Wrenches, Grease Gun, Pliers, Oil Feeder |
| Air Cleaner | 22-24 | Air Suction Hose, Body, Dust Pan, Element |
| Engine Control | 25-26 | Lever Assembly, Throttle Cable, Cable Pin, Spring, Rod Assembly |
| Radiator & Mount | 29-31 | Fuel Oil Tank, Fuel Cap, Strainer, Fuel Pipes, Water Separator |
| Battery & Cable | 37-38 | Battery, Battery Retainer, Battery Mount, Battery Rod, Terminal Cover |
| Electric Parts (Canopy) | 45-46 | Room Lamp, Fuse Box, Fuel Level Meter, Head Lamp, Glow Plug Timer |
| Track Roller & Carrier Roller | 51-52 | Roller Assembly, Spacer, Ball Bearing, Shaft, Cover |
| Idler & Crawler Adjuster | 55-56 | Idler Assembly, Collar, Seal, Holder, Adjuster Cylinder |
| Control Equip. (Lever) Previous | 66-67 | Lever Assembly, Boot Lever, Knob, Link, Joint Lever |
| Hydraulic Oil Tank | 166-167 | Flange Suction, Connector, Flange Discharge, O-Ring, Nut |
| Greasing | 188-190 | Boom Assy, Pin Bush, Cotter Pin, Nipple, Nut |
| Bucket 450 | 193-194 | Bucket Assy, Side Cutter, Teeth Assy, Bolt, Spring Washer |
| Tool Box (Optional) | 217-218 | Pin Assy, Circlip, Nut, Washer, Shim Set |
| Rd Valve (Link & Valve) (Opt.) | 237-241 | Pipe, Bolt, Elbow, Connector, Clamp |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| YB301, YB301-UZ | ||
| Overall length | 4610 mm | p. 2 |
| Overall width | 1520 mm | p. 2 |
| YB351, YB351-UZ | ||
| Overall length | 4840 mm | p. 2 |
| Overall width | 1535 mm | p. 2 |
| All Models | ||
| Climbing ability | 30 degrees | p. 2 |
Yanmar YB301 / YB351 Series Common Problems This Manual Covers
Yanmar YB301 engine turns over slowly or is hard to start after sitting with full fuel-water separator. p. 29
Inspect the exploded diagram on page 29 to locate replacement water separator elements and fuel strainer part numbers. Verify the correct fuel pipe layout for your specific serial number before ordering. Clean fuel lines ensure the machine climbs 30 degrees without stalling.
Manual Section: Radiator & MountBlocked airflow and dirty air cleaner elements cause the engine to overheat or lose power under load. p. 22
Check page 22 for the complete breakdown of air suction hoses and dust pans. Identify the exact air cleaner element part number required for your machine. Cross-reference the model compatibility chart to ensure it fits the 4840 mm overall length chassis.
Manual Section: Air CleanerCrawler track loses tension or slips off the idler assembly during operation on uneven ground. p. 55
Review the adjuster cylinder and collar components shown on page 55. Match the damaged idler assembly seals or holders to the corresponding part numbers in the list. Confirm compatibility for the 1520 mm overall width chassis before ordering replacement hardware.
Manual Section: Idler & Crawler AdjusterCanopy electrical display, room lamp, or head lamp behaves intermittently or fails to turn on. p. 45
Examine the electrical parts breakdown on page 45 to find exact replacement part numbers for the fuse box and glow plug timer. Check the model chart to verify correct wiring harnesses for chassis variants with a 1535 mm overall width.
Manual Section: Electric Parts (Canopy)Boom and arm pivot points squeak excessively or show severe pin and bushing wear. p. 188
Locate the exact replacement grease nipples and cotter pins using the greasing system breakdown on page 188. Identify the specific pin bush part numbers required for your boom assembly. Verify dimensions match the model with a 4610 mm overall length.
Manual Section: GreasingFrequently Asked Questions
What are the replacement specifications for fuel filter?
The replacement specification for the fuel inlet strainer is part number 101504-55101. This component is part of the fuel tank and fuel line assembly.
What are the replacement specifications for water separator element?
The replacement specification for the water separator element is part number 129335-55700. This component is listed under the fuel tank and fuel line section.
How do you fix yanmar YB301 engine turns over slowly or is hard to start after sitting with full fuel-water separator?
Inspect the exploded diagram on page 29 to locate replacement water separator elements and fuel strainer part numbers. Verify the correct fuel pipe layout for your specific serial number before ordering. Clean fuel lines ensure the machine climbs 30 degrees without stalling.
How do you fix blocked airflow and dirty air cleaner elements cause the engine to overheat or lose power under load?
Check page 22 for the complete breakdown of air suction hoses and dust pans. Identify the exact air cleaner element part number required for your machine. Cross-reference the model compatibility chart to ensure it fits the 4840 mm overall length chassis.
How will I receive this Yanmar YB301 & variants Parts Catalog?
Immediate download of the complete 252-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Are there any print restrictions on this 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.
Does this Yanmar YB301 & variants manual include hydraulic schematics?
Yes, a hydraulic system diagram is included showing the main circuit layout.
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