Part of the Yanmar Parts Manuals.
Need the exact component breakdown for your Yanmar excavator? This 249-page Yanmar ViO45-6A Parts Catalog (OEM #0CS10-M59200EN) maps out every assembly for the crawler back-hoe. Inside, you get detailed exploded views covering the complete chassis, boom, and cab structures. Open to the hydraulic sections to find exact factory part numbers for everything from the swing motor to the folding travel pedals. Pull up the correct seal kit numbers for the boom cylinder piston assembly, or verify the O-ring orientation for the quick-coupler hydraulic pump block. Stop wasting time explaining what broken piece you need to the parts counter. This bookmarked file opens instantly on your phone or tablet so you can order the right components directly from the job site.
What's Inside This Yanmar ViO45-6A 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, Canopy Lamp, Harness, Relay Bracket, Harness Mount, 128.Solenoid Valve, 129.Solenoid Valve, 191.Solenoid Valve, 192.Solenoid Valve Bracket | |
| Hydraulics & 3-Point Hitch | Quick Coupler, Valve Mount, 109.Hydraulic Pump Mount, 110.Hydraulic Pump, 111.Hydraulic Pump, 112.Hydraulic Pump, 113.Boom Cylinder, 114.Arm Cylinder, 115.Arm Cylinder, 116.Bucket Cylinder, 117.Swing Cylinder, 118.Blade Cylinder, 119.Blade Cylinder, 179.Blade Cylinder, 180.Angle Cylinder, 124.Control Valve | |
| 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, Canopy, Canopy Mount, Cabin | |
| Decals & Accessories | Label, 204.Label, 205.Label, 174.Label, 206.Label, 207.Label, 175.Label, 208.Label, Tool Case, 158.Label Kit, 202.Label Kit | |
| Other Components | Reference Materials, Engine Mount, Duct, Around the Engine, Travel Buzzer, Controller, Instrument Panel, Work Control, 176.P.T.O., 177.Angle Blade Lever, Air Conditioner, Heater, Sprocket, Idler & Adjust, Track Roller, Carrier Roller |
Yanmar ViO45-6A Common Problems This Manual Covers
Yanmar VIO45-6A engine turns over slowly or won't start in cold weather conditions
Inspect the fuel piping exploded view on page 35 to identify the correct replacement items. Locate the filter assembly and O-ring in the parts list. Order 1 complete filter assembly and replace the worn band clamps to ensure proper sealing and prevent air ingestion in the system.
Manual Section: Fuel Piping p. 35Main boom cylinder leaks oil externally and bucket lift feels unusually weak
Check the boom cylinder diagram on page 141 for the correct replacement seals. Identify the required seal kit and seal set head to rebuild the leaking unit. Verify the cushion bearing condition before ordering 1 complete seal kit to restore full hydraulic lifting pressure.
Manual Section: 113.Boom Cylinder p. 141Engine overheating fast and visible coolant dripping from the lower radiator area
Review the radiator hose components on page 32 to find the exact part numbers. Match the specific Cw-T A and Cw-T B hoses along with their corresponding clips. Order 2 new hoses and the required 2-way cock assembly to eliminate coolant leaks and overheating.
Manual Section: Radiator Hose p. 32Loud grinding noise and heavy vibration coming from the undercarriage while tracking forward
Examine the track roller breakdown on page 72 to locate the worn components. Identify the roller assembly, shaft assembly, seal, and bush in the parts index. Order 1 replacement roller assembly and the necessary mounting bolts to safely fix the undercarriage vibration.
Manual Section: Track Roller p. 72Frequently Asked Questions
How do you fix yanmar VIO45-6A engine turns over slowly or won't start in cold weather conditions?
Inspect the fuel piping exploded view on page 35 to identify the correct replacement items. Locate the filter assembly and O-ring in the parts list. Order 1 complete filter assembly and replace the worn band clamps to ensure proper sealing and prevent air ingestion in the system. p. 35
How do you fix main boom cylinder leaks oil externally and bucket lift feels unusually weak?
Check the boom cylinder diagram on page 141 for the correct replacement seals. Identify the required seal kit and seal set head to rebuild the leaking unit. Verify the cushion bearing condition before ordering 1 complete seal kit to restore full hydraulic lifting pressure. p. 141
How do you fix engine overheating fast and visible coolant dripping from the lower radiator area?
Review the radiator hose components on page 32 to find the exact part numbers. Match the specific Cw-T A and Cw-T B hoses along with their corresponding clips. Order 2 new hoses and the required 2-way cock assembly to eliminate coolant leaks and overheating. p. 32
How do you fix loud grinding noise and heavy vibration coming from the undercarriage while tracking forward?
Examine the track roller breakdown on page 72 to locate the worn components. Identify the roller assembly, shaft assembly, seal, and bush in the parts index. Order 1 replacement roller assembly and the necessary mounting bolts to safely fix the undercarriage vibration. p. 72
How will I receive this Yanmar VIO45-6A Parts Manual?
You get a 249-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Can I print specific sections of this Yanmar VIO45-6A Parts Manual?
Absolutely — no restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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