Tracking down exact replacement components for your Yanmar wheel excavator is straightforward with this 236-page Yanmar B55W-1, 4TNV94L-PDBWE Parts Catalog PDF (OEM #000Y00S4311). Inside, you get highly detailed exploded views breaking down the entire power train, main frame, swing device, and complete cabin assemblies. Every single pin, mounting bolt, and hydraulic seal is mapped out with correct factory part numbers, giving you absolute confidence when cross-referencing components. Verify your engine air cleaner matches part number E20400030, and confirm you are ordering the E47100059A suction hydraulic filter before calling the parts counter. Ordering the wrong part wastes days of profitable shop time. Download this bookmarked file right to your tablet, search for the exact component you need by keyword, and keep your machine's rebuild moving forward.
What's Inside This Yanmar B55W-1, 4TNV94L-PDBWE Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Main Frame | - | Frame Components, Main Structure, Mounting Points |
| Engine | - | Assembly, Mounting, Components |
| Radiator Assy | - | Radiator Components, Hoses, Clamps, Mounting |
| HYD.OIL Pump | - | Cover, Coupling, Bolts |
| Fuel Tank | - | Filter, Cap, Hoses, Clamps |
| Swing Device Assy | - | Swing Motor, Reduction Gear, Bolts, Washers |
| Compressor | - | Pulley, V-Belt, Brackets |
| Steering | - | Column, Wheel, Brackets, Mounts |
| Seat | - | Rails, Bolts, Nuts |
| CABIN(1) | - | Assembly, Rubber Mounts, Bolts, Mirrors |
| Electric Box | - | Relays, Fuses, Timer |
| Air CONDITIONER(1) | - | Aircon Unit, Hoses, Receiver Drier |
| Power Train | - | Axle, Transmission, Motor, Cylinder |
| Main Pump | - | Shaft, Seal Case, Bearing |
| Control Valve | - | Covers, O-Rings, Plugs |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic filter part number (Suction) | E47100059A | p. 17 |
| Hydraulic filter part number (Pilot) | E24719062 | p. 41 |
| Fuel filter part number | E24719010A | p. 19 |
| Engine air cleaner part number | E20400030 | p. 11 |
Yanmar B55W-1, 4TNV94L-PDBWE Common Problems This Manual Covers
Yanmar B55W-1 4TNV94L-PDBWE engine lacks power under heavy load and blows excessive black smoke from exhaust p. 11
Inspect the engine parts diagram to locate the intake components. Replace the engine air cleaner element with part number E20400030, shown on page 11. Cross-reference the mounting hardware in the parts list to ensure the housing seals correctly.
Manual Section: ENGINEEngine hard-starts, stalls under load, or turns over slowly during cold weather operation p. 19
Check the fuel delivery components exploded view. Locate the primary housing and replace the restricted fuel filter with part number E24719010A on page 19. Verify the correct O-rings and mounting clamps are ordered from the parts list to prevent air leaks.
Manual Section: FUEL TANKSlow or weak digging and sluggish swing response when operating at full throttle p. 17
Review the hydraulic parts diagram for the reservoir assembly. Order a replacement suction hydraulic filter using part number E47100059A found on page 17. Inspect the parts list for the correct tank cover seal to replace during your fluid service.
Manual Section: HYD.OIL PUMPJoystick controls feel stiff or unresponsive when trying to feather the boom cylinder p. 41
Inspect the control piping breakdown to find the pilot circuit components. Replace the pilot hydraulic filter using part number E24719062 located on page 41. Order the corresponding housing O-ring shown in the exploded view to prevent external leaks after reassembly.
Manual Section: VALVE,JOYSTICK(L)Frequently Asked Questions
How do you fix engine lacks power under heavy load and blows excessive black smoke from exhaust?
Inspect the engine parts diagram to locate the intake components. Replace the engine air cleaner element with part number E20400030, shown on page 11. Cross-reference the mounting hardware in the parts list to ensure the housing seals correctly.
How do you fix engine hard-starts, stalls under load, or turns over slowly during cold weather operation?
Check the fuel delivery components exploded view. Locate the primary housing and replace the restricted fuel filter with part number E24719010A on page 19. Verify the correct O-rings and mounting clamps are ordered from the parts list to prevent air leaks.
How do you fix slow or weak digging and sluggish swing response when operating at full throttle?
Review the hydraulic parts diagram for the reservoir assembly. Order a replacement suction hydraulic filter using part number E47100059A found on page 17. Inspect the parts list for the correct tank cover seal to replace during your fluid service.
How do you fix joystick controls feel stiff or unresponsive when trying to feather the boom cylinder?
Inspect the control piping breakdown to find the pilot circuit components. Replace the pilot hydraulic filter using part number E24719062 located on page 41. Order the corresponding housing O-ring shown in the exploded view to prevent external leaks after reassembly.
How will I receive this Parts Catalog?
This is a 236-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.
Are there any print restrictions on this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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