Part of the Yanmar Parts Manuals.
Tracking down the right replacement components for your crawler back-hoe just got easier with this 213-page Yanmar VIO80-1A (US) parts catalog PDF (OEM #0CK50-M00260EN). Inside, you get highly detailed exploded views mapping out every inch of your excavator, from the hydraulic pump mounts to the boom cylinder assemblies. Packed with precise cross-references and factory part numbers, this manual takes the guesswork out of ordering replacements for your track rollers, control valves, and cab accessories. Verify that your carrier roller requires a BALL 6207 bearing, and confirm the track roller ring measures exactly 38mm before you place an order. Ordering the wrong component wastes days of shop time. Grab this bookmarked PDF, find the exact part number in seconds, and get your machine running again.
What's Inside This Yanmar ViO80-1A Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Accelerator, Fuel Tank, Fuel Piping | |
| Cooling System | Radiator, Radiator Mount | |
| Engine | Turning Bearing | |
| Electrical System | Battery, Starter Switch, Hyd. Oil Switch, Work Lamp | |
| Hydraulics & 3-Point Hitch | Valve Plate, Coupler, Quick Coupler, Hydraulic Pump Mount & Joint, Hydraulic Pump, Control Valve Plate, Boom Cylinder, Arm Cylinder, Bucket Cylinder, 176.Bucket Cylinder, Swing Cylinder, Blade Cylinder, 177.Blade Cylinder, Hitch Cylinder, 100.Control Valve, 101.Control Valve | |
| Body & Operator Station | Sub Tank, Seat Mount, Travel Frame, Crawler Guard, Turning Frame, Cover, Tail Cover, Center Cover, Frame Guard, Floor Mat, Side Cover, Seat Slide, Seat, Bonnet, Cabin Mount, Cabin | |
| Decals & Accessories | Label, 179.Label, 180.Label, Accessory | |
| Other Components | Reference Materials, Silencer, Engine Mount, Engine, Dummy Connector, Travel Alarm, Controller, Indicator Box, Gps, Air Conditioner, Sprocket, Idler & Adjust, Track Roller, Carrier Roller, Crawler Adjust, 178.Crawler Adjust |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Sprocket teeth count | 19 | p. 48 |
| O-RING, 1AP38.0 quantity | 4 | p. 49 |
| Track roller ring size | 38 | p. 50 |
| Carrier roller bearing type | BALL 6207 | p. 51 |
| Crawler adjust O-RING size | 55.0 | p. 52 |
| Engine fuse rating | 60A | p. 27 |
| Cabin mount washer spring quantity | 6 | p. 85 |
| Hydraulic pump mount bolt size | M10X 30 | p. 100 |
| Hydraulic pump plug thread | M7X0.75 | p. 101 |
| Blade cylinder seal dust pin size | 60 | p. 110 |
| Solenoid valve O-RING type | 1BP11.0 | p. 140 |
| Blade bolt size | M14X 35 PLATED | p. 175 |
Yanmar ViO80-1A Common Problems This Manual Covers
Yanmar VIO80-1A excavator loss of hydraulic power and slow boom response requiring a new pump assembly
Inspect the exploded view on page 101 to find the correct hydraulic pump assembly and piston components. Verify the exact replacement part numbers before ordering. Ensure you include the M7X0.75 thread plug listed in the diagram to prevent installation delays.
Manual Section: Hydraulic Pump p. 101Reduced travel speed and poor crawler response pointing to worn out carrier rollers
Check the carrier roller parts breakdown on page 51 to identify the correct replacement bearings. Look up the BALL 6207 bearing type in the index to confirm compatibility with your undercarriage. Order the complete roller assembly and sealing caps shown.
Manual Section: Carrier Roller p. 51Hydraulic fluid leaking from the front blade cylinder requiring a complete seal kit
Locate the blade cylinder components on page 110 to find the specific repair kit part numbers. Identify the required dust seal and the size 60 pin before placing your parts order. Cross-reference the K Spec cylinder designation to match your machine's exact serial number.
Manual Section: Blade Cylinder(K Spec.) p. 110Engine starting difficulty and intermittent electrical operation repeatedly blowing the main fuses
Review the engine system components diagram on page 27 to find the correct wiring harness and fuse part numbers. Identify the exact 60A engine fuse required for your machine. Match the dummy connector and coupler part numbers to your configuration.
Manual Section: Engine p. 27Loud popping noise from the tracks indicating severely worn final drive sprockets
Examine the track drive diagram on page 48 to locate the correct replacement sprocket part numbers. Confirm the 19 teeth count specification matches your existing drive motor setup. Order the exact mounting bolts and washers listed alongside the sprocket to ensure proper fitment.
Manual Section: Sprocket p. 48Frequently Asked Questions
What are the replacement specifications for Hydraulic filters?
For the line filter, the replacement element specification is Part No. 172B11-73760. Additionally, an O-RING, JASO-2053-90 (Part No. 172B11-73780) is specified for replacement with the filter element. p. 119
What are the replacement specifications for Track rollers?
The replacement specification for the lower track roller assembly is Part No. 172B11-37300 (Qty: 10) or Part No. 172B11-37310 (Qty: 10), depending on the specific assembly. p. 50
How do you fix yanmar VIO80-1A excavator loss of hydraulic power and slow boom response requiring a new pump assembly?
Inspect the exploded view on page 101 to find the correct hydraulic pump assembly and piston components. Verify the exact replacement part numbers before ordering. Ensure you include the M7X0.75 thread plug listed in the diagram to prevent installation delays. p. 101
How do you fix reduced travel speed and poor crawler response pointing to worn out carrier rollers?
Check the carrier roller parts breakdown on page 51 to identify the correct replacement bearings. Look up the BALL 6207 bearing type in the index to confirm compatibility with your undercarriage. Order the complete roller assembly and sealing caps shown. p. 51
Is this Yanmar VIO80-1A (US) Parts Catalog a digital download?
You get a 213-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Is this Yanmar VIO80-1A (US) Parts Catalog printable?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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