Part of the Yanmar Parts Manuals.
Tracking every single component on your crawler back-hoe just got easier with this 245-page Yanmar VIO50-6A Parts Manual PDF (OEM #0CK50-M01380EN). You get clear, exploded views of every system, from the main hydraulic pump and control valves to the turning motor and cabin electrical harnesses. Open this catalog to find detailed parts lists mapping out exact OEM numbers alongside complete component breakdowns for both standard and angle blade configurations. Verify your undercarriage requires exactly 8 track rollers, or confirm you need the 16L Turmeric Yellow paint can before starting a boom touch-up. Ordering the wrong component kills your shop's uptime and drains your budget. Grab this natively bookmarked digital file, find the exact part number right on your phone, and get your excavator back to work.
What's Inside This Yanmar ViO50-6A Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Accelerator, Fuel Tank, Fuel Piping | |
| Cooling System | Radiator Shroud, Radiator & Sub Tank, Radiator Hose | |
| Engine | Muffler, Muffler Cover, Turning Bearing | |
| Electrical System | Harness Support, Battery, Horn, Harness Guide, Starter Switch, Pressure Switch, Work Lamp, Harness, Relay Bracket, 102.Canopy Lamp, 156.Solenoid Valve, 157.Solenoid Valve, 158.Solenoid Valve, 159.Solenoid Valve Bracket | |
| Hydraulics & 3-Point Hitch | Quick Coupler, Valve Mount, 116.Hydraulic Pump Mount, 117.Hydraulic Pump, 118.Hydraulic Pump, 119.Hydraulic Pump, 120.Hydraulic Pump, 121.Boom Cylinder, 122.Arm Cylinder, 123.Arm Cylinder, 124.Bucket Cylinder, 125.Swing Cylinder, 126.Blade Cylinder, 127.Blade Cylinder, 128.Blade Cylinder, 129.Angle Cylinder | |
| Body & Operator Station | Around the Seat, Link Cover, Pedal Cover, Track Frame, Crawler Guard, Turning Frame, Cover, Upper Cover, Frame Guard, Step, Seat Mount, Seat, Bonnet, 100.Canopy, 101.Canopy Mount, 104.Cabin | |
| Decals & Accessories | Label, Tool Box, 200.Label Kit, 201.Label Kit | |
| Other Components | Reference Materials, Engine Mount, Duct, Around the Engine, P.T.O., Angle Blade Lever, Travel Buzzer, Controller, Instrument Panel, Work Control, Gps, Air Conditioner, Heater, Sprocket, Idler & Adjust, Track Roller |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Paint Can Capacity (Turmeric Yellow) | 16 L | p. 3 |
| Paint Can Capacity (Navy Gray) | 4 L | p. 3 |
| Track Roller Quantity | 8 | p. 66 |
| Carrier Roller Quantity | 2 | p. 67 |
| Arm Cylinder Head Assy Dimension | 80 50 mm (implied) | p. 139 |
| Bucket Cylinder Guide Assy Dimension | 747 A (model/dimension) | p. 141 |
| Swing Cylinder Seal Kit Dimension | 90X45 mm (implied) | p. 142 |
| Blade Cylinder Seal Kit Dimension | 95X55 mm (implied) | p. 143 |
| Angle Cylinder Seal Kit Dimension | 75X45 mm (implied) | p. 146 |
Yanmar ViO50-6A Common Problems This Manual Covers
Yanmar VIO50-6A undercarriage feels extremely sloppy and making clanking noises while tracking
Check the track roller parts breakdown on page 66. Identify the roller assembly part numbers for your serial number. Verify you have the correct hardware to replace all 8 track rollers per side. Order the replacement bolts and washers listed in the exploded view.
Manual Section: Track Roller p. 66Swing function drifts and hydraulic fluid leaking from the cylinder rod wiper
Inspect the exploded view for the swing cylinder on page 142. Locate the 90X45 mm seal kit in the components list. Cross-reference the piston and rod wiper part numbers to ensure you order the complete rebuild kit for your specific machine.
Manual Section: 125.Swing Cylinder p. 142Dozer blade drops under load with visible oil weeping from the gland
Open the blade cylinder parts diagram on page 143. Find the exact part number for the 95X55 mm seal kit. Verify the bush and O-ring numbers match your specific cylinder tube assembly before ordering replacement hydraulic components from the catalog.
Manual Section: 126.Blade Cylinder p. 143Machine cab and counterweight heavily scratched up exposing bare steel metal to rust
Review the reference materials on page 3 to find the correct factory paint codes. Order the Turmeric Yellow paint in the 16 L capacity can for the main body components. Check the parts list for the exact part number to ensure a perfect color match.
Manual Section: Reference Materials p. 3Frequently Asked Questions
What are the replacement specifications for air filters?
The parts catalog lists the outer air filter element with part number 1A8240-05110. This element is part of the AIR CLEANER ASSY, which is item 2 in the diagram. For detailed replacement procedures or intervals, a technical service manual would be required. p. 20
What are the replacement specifications for fuel filters?
The parts catalog identifies the fuel filter assembly as 'FILTER ASSY, FUEL' with part number 129E22-55700, and its element as 'ELEMENT' with part number 129A00-55730. These components are found in the fuel piping system. For specific replacement intervals or detailed technical specifications beyond the part number, a technical service manual should be consulted. p. 30
How do you fix yanmar VIO50-6A undercarriage feels extremely sloppy and making clanking noises while tracking?
Check the track roller parts breakdown on page 66. Identify the roller assembly part numbers for your serial number. Verify you have the correct hardware to replace all 8 track rollers per side. Order the replacement bolts and washers listed in the exploded view. p. 66
How do you fix swing function drifts and hydraulic fluid leaking from the cylinder rod wiper?
Inspect the exploded view for the swing cylinder on page 142. Locate the 90X45 mm seal kit in the components list. Cross-reference the piston and rod wiper part numbers to ensure you order the complete rebuild kit for your specific machine. p. 142
What format is this manual in?
Immediate download of the complete 245-page searchable Parts Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print this manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
![Yanmar B22-2 C(R)EP, B22-2 P(R)EP, B22-2 P[R], B22-2 C[R] exploded view diagram of the engine mount assembly components.](https://youfixthis.com/wp-content/uploads/2026/06/yanmar-b22-2-to-c-r-crawler-backhoe-parts-catalog-y00s3241-engine-parts-22-150x150.webp)
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