Tracking down replacement components for your 2004-2006 crawler excavator is simple with this 142-page Yanmar Vio27 Series parts catalog PDF (OEM #0CS10-M44901EN). You get highly detailed exploded views for every system, from the complete hydraulic control valve assemblies to the undercarriage sprockets and track rollers. Inside, page after page of factory illustrations cross-reference directly to exact OEM part numbers so you order exactly what fits. Verify your track tension components using factory notes like the 2mm thickness for the standard idler bush or 4.5mm for the oversized variant before calling the parts counter. Ordering the wrong component kills your profit margin. Grab this bookmarked download, find the correct part number in seconds, and get the machine back in the dirt.
What's Inside This Yanmar ViO27-3 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Reference Materials | 2-6 | Directions for the Parts Catalog, Ref. No., Lev. (Level), Interchangeability Mark, Effective Machine No., Remarks Mark |
| Label(Cabin) | 10-12 | - |
| Label(Canopy) | 13-15 | Specification, Support, Engine Room, Fuel, Hook, Tag Assy, Caution |
| Label(Safety)(Cabin) | 16-17 | - |
| Label(Safety)(Canopy) | 18-19 | Support, Tag Assy, Caution, Manual, HYD.OIL Tank, Battery, Warning Hitch |
| Muffler | 20 | Clamp, Pipe, Extension, Washer, Bolt, Nut |
| Air Cleaner | 21 | Cleaner Assy, Air, Element, Outer, Valve, Unload, Hose, Air Intake |
| Accelerator | 22 | Lever, Cable, Bracket, Wire, Joint, Pin |
| Engine Mount | 23 | Rubber, Absorber, Mount, Engine, Plate, Bracket, Stopper |
| Radiator Mount | 24 | Plate Assy, Radiator, Rubber, Seal, Duct Assy, Mount Assy, Battery, Label |
| Radiator & Sub Tank | 25 | - |
| Fuel Tank | 26 | - |
| Fuel Piping | 27 | - |
| Battery | 28 | - |
| Wiring | 29 | - |
| Equipment | 30 | - |
| Instrument Panel & Starter Switch | 31 | - |
| Quick Coupler(Switch Box) | 32 | - |
| Travel Alarm | 33 | Plate, Alarm, Bracket a Ssw, Buzzer, Back, Case Assy, Switch |
| Work Lamp & Canopy Lamp | 34 | Lamp, Work, Bulb, Stay, Washer, Nut |
| Heater | 35-36 | Frame Assy, Duct Assy, Hose Assy, Defroster, Valve Assy, Plate Assy |
| Heater(Piping)(Tim Cabin) | 37 | - |
| Sprocket & Roller | 38 | Sprocket, Roller, Truck, Shaft, Seal, Oil, Bearing |
| 102.(23A)Track Roller(K Spec.) | 39 | Roller Assy, Lower, Spacer, Shaft, Seal, Oil, Bearing, Ball |
| Idler & Adjust | 40-41 | Idler Assy, Bush, Seal, Floating, Shaft Assy, Idler, Spring Assy, Crawler |
| Crawler | 42 | Shoe Assy, Track, Plate, Shoe, Link Assy, Bush, Truck |
| Lock Lever & Stand(Right) | 43 | Stand Assy, Link, Bracket, Boom, Lever, Lock |
| Lock Lever & Stand(Left) | 44 | - |
| Travel Lever | 45 | - |
| Blade Lever | 46 | - |
| Swing Pedal | 47 | - |
| Low-High Pedal | 48 | - |
| P.T.O. Pedal | 49 | - |
| Control Valve Plate | 50 | - |
| Turning Frame | 51 | Travel Frame & Turning Bearing |
| Travel Frame & Turning Bearing | 52 | Turning Frame |
| Cover(Frame) | 53 | - |
| Cover(Around the Control) | 54 | - |
| Cover(Boom) | 55 | - |
| Cover(Cabin) | 56 | - |
| Cover(Canopy) | 57 | - |
| Step & Floor Mat | 58 | - |
| Instrument Panel & Arm Rest | 59 | Panel, Cover, Armrest, Plate, Washer, Screw |
| Seat & Seat Mount(Cabin) | 60-61 | - |
| Seat & Seat Mount(Canopy) | 62-63 | Seat, Cushion, Rail Set, Belt, Mount, Grille Assy |
| Seat Mount(Tim Cabin) | 64-65 | - |
| Bonnet(1) | 66 | - |
| Bonnet(2) | 67-68 | - |
| Window Washer | 69 | Tank Assy, Bracket, Washer, Bolt, Cover Assy |
| Cabin(Body) | 70 | Window Washer, Door, Tim Cabin, Tim Cabin Door |
| Cabin(Glass) | 71-72 | Window Washer, Door, Tim Cabin, Tim Cabin Door |
| Cabin(Accessory) | 73 | Window Washer, Door, Tim Cabin, Tim Cabin Door |
| Cabin(Electric Parts) | 74 | Window Washer, Door, Tim Cabin, Tim Cabin Door |
| Cabin Door(Front) | 75 | - |
| Cabin Door(Rear) | 76 | - |
| Tim Cabin(Body) | 77 | Window Washer, Cabin, Cabin Door, Door |
| Tim Cabin(Accessory) | 78 | Window Washer, Cabin, Cabin Door, Door |
| Tim Cabin(Electric Parts) | 79 | Window Washer, Cabin, Cabin Door, Door |
| Tim Cabin(Heater & Duct Cover) | 80 | Window Washer, Cabin, Cabin Door, Door |
| Tim Cabin(Front Window) | 81 | Window Washer, Cabin, Cabin Door, Door |
| Tim Cabin Door(1) | 82 | - |
| Tim Cabin Door(2) | 83 | - |
| Tim Cabin(Heater Hose & Cabin Set Bolt) | 84 | Window Washer, Cabin, Cabin Door, Door |
| Canopy | 85 | Assy, Washer, Bolt, Label |
| Hydraulic Pump & Joint | 86-87 | Pump Assy, Coupling, Valve, Piston, Shaft, Seal Set |
| Boom Cylinder | 88 | Cylinder Assy, Tube Assy, Rod Assy, Piston, Head Assy, Seal Set |
| Arm Cylinder | 89 | Cylinder, Piston, Rod Assy, Head, Seal Set, Guide |
| Bucket Cylinder | 90 | Cylinder, Piston, Rod Assy, Head, Seal Set, Guide |
| Swing Cylinder | 91 | Cylinder Assy, Swing, Seal Set, Head, Piston 80, Tube Assy, Rod Assy |
| Blade Cylinder | 92 | Cylinder, Blade, Rod Assy, Piston 75X30, Seal Set, Head, Bush |
| Hitch Cylinder | 93 | Cylinder Assy, Hitch, Seal Set, Head, Tube, Rod Assy |
| Travel Motor | 94-95 | Motor Assy, Travel, Plate, Swash, Piston Assy, Block Kit, Cylinder, Gear |
| Turning Motor | 96 | Motor Assy, Swing, Gear Assy, Reduction, Housing Assy, Piston, Valve Assy |
| Swivel Joint | 97 | Joint Assy, Swivel, Shaft Assy, Hub, Flange |
| Control Valve(1/6) | 98 | Valve Assy, Control, Section, Boom Lock, Valve, Relief, Bucket |
| Control Valve(2/6) | 99 | Section, Boom, Spool Assy, Valve, Reverse, Section Assy, Travel |
| Control Valve(3/6) | 100 | Section Assy, Wiper, Retainer, Cap, Valve, Spring |
| Control Valve(4/6) | 101 | Section, Arm, Valve, Spool Assy, Spring, O-Ring |
| Control Valve(5/6) | 102 | Section, Spool Assy, Limitter, O-Ring, Cover, Pilot |
| Control Valve(6/6) | 103 | Section Assy, Spool Assy, Valve, Spring, O-Ring, Cover, Pilot |
| Way Valve | 104 | Bracket Assy |
| Remote Control Valve | 105 | - |
| Oil Cooler | 106 | - |
| Hyd. Oil Tank | 107 | - |
| Tank - Pump - Control Valve | 108 | Flange, Connector, Tube Assy, Suction, O-Ring, Hose |
| Pump - Control Valve - Turning Motor | 109 | Adapter, Tee, Adjustable, O-Ring, Connector Assy, Hose |
| Control Valve - Swivel Joint & Swing Cylinder | 110 | Adapter, Connector, O-Ring, Joint Assy, Nipple, Grease C |
| Return | 111-112 | Nipple, Elbow, O-Ring, Connector, Block, Drain, Hose |
| P.T.O.(Frame End) | 113 | Turning Frame, Travel Frame & Turning Bearing |
| Travel Frame | 114 | Turning Frame, & Turning Bearing |
| Boom | 115 | Adapter, Connector Assy, O-Ring, Clip, Hose, Nut, Lock |
| P.T.O.(Arm End) | 116 | Valve, Stop, Adapter, Plug, Bolt, Tube, PTO |
| Quick Coupler | 117 | Adapter, Elbow, O-Ring, Connector Assy, Tube, Hitch, Hose |
| Control Piping(Pump - Remote Control Valve - Return) | 118 | Adapter, Connector Assy, O-Ring, Connector, Hose, Clamp |
| Control Piping(Remote Control Valve - 2Way Valve - Control Valve) | 119 | Adapter, Connector Assy, O-Ring, Joint, Hose, Clamp |
| Greasing | 120 | Joint, Grease, Hose, Nipple, Grease PT1/8 |
| Boom Bracket | 121 | Shim, Pin Assy, Bracket, Boom, Bush, Plate, Lock |
| Boom | 122 | Band, Assy, Seal, Dust, Bush, Clip, Pipe Assy, Protect |
| Arm | 123 | Clip, Tree, O-Ring, Assy, Seal, Dust, Bush, Pin Assy |
| Bucket Arm & Link | 124 | Arm, Bucket, Pin Assy, Link, Seal, Dust, Bush |
| Quick Coupler | 125 | Quick Hitch Assy, Collar, O-Ring, Bracket, Pin, Bolt |
| 100.Bucket | 126 | Pin Kit, Bucket, Pin Assy, Collar, Bucket Assy, Cutter, Side, Tooth Kit |
| 101.Blade | 127 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| BUSH (No.5, 29) thickness | 2mm | p. 40 |
| BUSH (No.5-1, 29-1) thickness | 4.5mm | p. 40 |
| Idler & Adjust Clearance (T=No.5, 29) | 2mm | p. 40 |
| Idler & Adjust Clearance (T=No.5-1, 29-1) | 4.5mm | p. 40 |
| Hydraulic Oil Tank Dimension (T=No.18) | 6mm | p. 107 |
| Hydraulic Oil Tank Dimension (T=No.18-1) | 12mm | p. 107 |
Yanmar ViO27-3 Common Problems This Manual Covers
Yanmar Vio27-3 crawler throws tracks frequently and need replacement idler bush part numbers for loose undercarriage p. 40
Inspect the Idler & Adjust parts diagram on page 40. Verify the required BUSH thickness, noting that standard No.5 or 29 parts measure 2mm. Locate the matching Idler Assy and Spring Assy part numbers in the index to order correct replacements for your specific serial number.
Manual Section: Idler & AdjustMachine loses travel power or hydraulic performance feels slow and need hydraulic oil tank component numbers p. 107
Review the Hyd. Oil Tank exploded view on page 107 to identify replacement suction tubes and flanges. Measure the tank dimension T=No.18 to confirm it is 6mm before selecting the corresponding mounting hardware part numbers from the list to fix the fluid restriction.
Manual Section: Hyd. Oil TankExcavator undercarriage makes grinding noise during travel and need oversized idler bush part numbers for tensioner rebuild p. 40
Check the parts list on page 40 for the Idler & Adjust group. Identify the oversized BUSH (No.5-1, 29-1) which has a 4.5mm thickness. Match this bush with the correct floating seal and shaft assembly part numbers to complete your track tensioner repair correctly.
Manual Section: Idler & AdjustHydraulic fluid leaking from cracked reservoir and need replacement tank mounting hardware part numbers for broken assembly p. 107
Examine the Hyd. Oil Tank diagram on page 107. Verify the tank mounting dimension T=No.18-1 measures exactly 12mm to ensure correct fitment. Cross-reference this dimension with the provided parts list to order the exact replacement tank, O-rings, and connector flanges for the repair.
Manual Section: Hyd. Oil TankFrequently Asked Questions
How do you fix yanmar Vio27-3 crawler throws tracks frequently and need replacement idler bush part numbers for loose undercarriage?
Inspect the Idler & Adjust parts diagram on page 40. Verify the required BUSH thickness, noting that standard No.5 or 29 parts measure 2mm. Locate the matching Idler Assy and Spring Assy part numbers in the index to order correct replacements for your specific serial number.
How do you fix machine loses travel power or hydraulic performance feels slow and need hydraulic oil tank component numbers?
Review the Hyd. Oil Tank exploded view on page 107 to identify replacement suction tubes and flanges. Measure the tank dimension T=No.18 to confirm it is 6mm before selecting the corresponding mounting hardware part numbers from the list to fix the fluid restriction.
How do you fix excavator undercarriage makes grinding noise during travel and need oversized idler bush part numbers for tensioner rebuild?
Check the parts list on page 40 for the Idler & Adjust group. Identify the oversized BUSH (No.5-1, 29-1) which has a 4.5mm thickness. Match this bush with the correct floating seal and shaft assembly part numbers to complete your track tensioner repair correctly.
How do you fix hydraulic fluid leaking from cracked reservoir and need replacement tank mounting hardware part numbers for broken assembly?
Examine the Hyd. Oil Tank diagram on page 107. Verify the tank mounting dimension T=No.18-1 measures exactly 12mm to ensure correct fitment. Cross-reference this dimension with the provided parts list to order the exact replacement tank, O-rings, and connector flanges for the repair.
What format is this Vio27 Series manual in?
You get a 142-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Am I able to print pages from this Vio27 Series manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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