Part of the Yanmar Parts Manuals.
Tracking down the right components for your wheel-backhoe is simple with this 252-page parts catalog PDF, covering both the base model and variants. Inside, you get detailed exploded views mapping out every system from the steering column down to the hypoid gears in the carrier assembly. Open up the hydraulic sections to find complete seal sets, piston rings, and hose routings for the boom, arm, and outrigger cylinders. Find the exact OEM number for the PT1/8 grease nipple on the backhoe lock, or confirm you are ordering the correct M10X20 washer bolt for the operator seat mount. Quit ordering the wrong replacement components. This bookmarked file opens instantly on your phone, so you can match part numbers right at the machine and get your order placed.
What's Inside This Yanmar YB401W Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Clutch & Transmission | Transmission, Shift Lever & Link | |
| Fuel System | Fuel Tank & Fuel Pipe | |
| Cooling System | Radiator Mount | |
| Engine | Engine Control, Engine Mount, Hydraulic Oil Pump & Coupling | |
| Electrical System | Battery & Clamp, Wiring, Electric Part, Work Lamp | |
| Rear Axle, Differential & Brakes | 3rd, Center Brake & Drive Shaft, Rear Axle, Hand Brake, Brake Hydraulic Unit | |
| Front Axle & Steering | Front Axle, Steering Link, Steering Handle & Column, Steering Cylinder, Steering Unit | |
| Hydraulics & 3-Point Hitch | Pedal & Linkage, 3rd Valve Control, Suspension Lock Cylinder, Bucket Cylinder, Swing Cylinder, Arm Cylinder, Blade Cylinder, Rigger Cylinder, Boom Cylinder, Swivel Joint, Control Valve, Valve, Hydraulic Oil Tank, Hydraulic Oil Line | |
| Loader, Backhoe & Attachments | Boom & Arm, Back Hoe Lock & Swing Lock, Blade, Bucket | |
| Body & Operator Station | Rear View Mirror, Wiper, Heater & Defroster, Overhead Panel & Radio, Link Support & Instrument Panel, Chassis & Cover, Turning Frame, Step & Revolve Lock, Seat, Bonnet, Cabin, Canopy | |
| Decals & Accessories | Label, Tool & Tool Box, Greasing | |
| Other Components | Tire & Disc Wheel, Control Equipment, Turning Driving Equipment, Driving Motor, Out Rigger, C-Type Control Equipment |
Yanmar YB401W Common Problems This Manual Covers
Can't find the main wiring harness part numbers for a Yanmar YB401W with intermittent electrical faults
Check the wiring exploded view on page 37. Identify the main harness, lead wires, and fusible links for your specific machine. Secure the new harness routing using replacement M10X20 bolts where mounted to the chassis frame to prevent vibration damage.
Manual Section: Wiring p. 37Need the exact seal kit and pin bush part numbers for a leaking arm cylinder dropping overnight
Inspect the hydraulic parts diagram on page 150. Locate the specific seal set, piston ring, and pin bush part numbers for the arm cylinder assembly. Order the necessary M8X16 bolts and 8mm washers for the line clamps to complete the reseal job properly.
Manual Section: Arm Cylinder p. 150Struggling to locate replacement floor mats and mounting hardware for rusted and vibrating interior cover panels
Review the interior cover parts list on page 121. Find the correct part numbers for the left panel and replacement floor mat. Order the required polished 8mm washers and M8X16 bolts to secure the new floor plates tightly to the cab frame.
Manual Section: Cover, Interior p. 121Looking for the right side cutter and teeth assembly part numbers for a worn out bucket
Examine the boom and attachment parts diagram on page 226. Identify the exact bucket assembly, side cutters, and teeth assembly part numbers for your application. Verify the required M10X20 mounting bolts and 10mm spring washers needed to secure the new ground engaging tools.
Manual Section: Bucket p. 226Frequently Asked Questions
Is this Parts Catalog a digital download?
This is a 252-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.
Am I able to print pages from this manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Does this Parts Catalog have electrical diagrams?
Yes. You'll find an electrical wiring diagram covering the main wiring layout.
Reviews
There are no reviews yet.