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 |
|---|---|---|
| Reference Materials | 2-5 | - |
| Label(Exterior)(To Maf000) | 11 | Support Label, Cylinder Label, Swing Area Label, Radiator Label, Engine Cover Label, Fuel Label, Hook Label, Boom Us Label |
| 179.(1A)Label(Exterior)(From Maf001) | 12 | - |
| Label(Bonnet Inside) | 13 | Label, Hydraulic Oil Label, Resevoir Label, Radiator Label, Battery Label, Air Cleaner Label |
| Label(Cabin)(To Maf000) | 14 | Adjust Crawler Label, -Way Us Label, Caution Tag Assy, Lock Label, Manual Label, Slope Label, Transport Label, Neutral Label |
| 180.(3A)Label(Cabin)(From Maf001) | 15 | - |
| Label(Quick Coupler) | 16 | Label, Operation Label, Lock Label, Finger Label, Lock Pin Label |
| Accessory | 17 | - |
| Silencer | 18 | Washer, Bolt, Nut, Clamp |
| Air Cleaner | 19 | Cover Assy, Valve, Outer Element, Indicator, Air Cleaner Label |
| Accelerator | 20 | Volume, Accel Assy, Knob Assy |
| Engine Mount | 21 | Fuel Gauge Hose, Spring Seat, Washer, Clamp |
| Radiator | 22 | -Way Cock Assy, Body, Radiator Cap, Seal Rubber, Shock Absorber, Hose Clip, Fuel Pipe Assy |
| Radiator Mount | 23 | Duct Seal, Battery Label, Cushion Rubber, Seal Rubber, Rod Holder |
| Sub Tank | 24 | Sub Tank Assy, Cap, Retainer, Gasket, Hose 7X, Band, Sub Tank Bracket |
| Fuel Tank | 25 | Drain Pipe, Filler Cap Assy, Fuel Cap Gasket, Float, Fuel Gauge Hose, Gasket, Drain Joint, Hose |
| Fuel Piping | 26 | Rubber Plate, Stay, Hose Clip, Fuel Feed Pump Assy, Pump Bracket, Band, 5X Pipe |
| Engine | 27 | Slow Blow 60A Fuse, Band, Engine Earth Cord, Clamp |
| Valve Plate | 28 | -3PA Diode, 5A Diode, Horn, Clamp |
| Battery | 29 | Battery Cord, Battery Retainer, Rod, 130E41R Battery |
| Dummy Connector | 30 | - |
| Coupler | 31 | - |
| Seat Mount | 32 | Band, -3PA Diode, 2W, R120 Resistor, Fuse, 20A Fuse, Mini Fuse Puller, 3A Diode, Rubber |
| Starter Switch | 33 | - |
| Quick Coupler(Switch Box) | 34 | Switch Ex Box, Switch Ex D S Box, Switch Label, Cover Label, Switch Assy, Indicator Lamp, Packing, Bracket |
| Travel Alarm | 35 | Pressure Switch, Back Buzzer, PF1/4PT1 Connector, Bolt |
| Hyd. Oil Switch | 36 | - |
| Controller | 37 | - |
| Work Lamp | 38 | Band, Work Lamp Assy, Bulb, Clamp |
| Indicator Box | 39 | Buzzer, Plug, Washer, Screw |
| Gps | 40 | Band, Clamp, Bolt |
| Air Conditioner(Cabin Related) | 41 | Grille, Trim, Seal, Step Seal, Front Grille Assy |
| Air Conditioner(Piping) | 42 | Band, Joint Pipe, Clamp, Bolt |
| Air Conditioner(Unit)(Inner Parts) | 43-44 | - |
| Air Conditioner(Engine Related) | 45 | Band, Pipe Joint, Ring, 6202UUC3 Bearing, Spacer |
| Air Conditioner(Condenser Related) | 46 | Band, Pad Mount, Seal Rubber, Radiator Label |
| Air Conditioner(Condenser)(Inner Parts) | 47 | - |
| Sprocket | 48 | - |
| Idler & Adjust | 49 | Idler Assy, Idler Bush, Idler Seal Cover a, Idler Seal Cover B, Floating Seal, Idler Shaft, Ring, Adjuster Assy |
| Track Roller | 50 | Ring, O-Ring, Plug, Washer |
| Carrier Roller | 51 | Collar, Oil Seal, Ring, Plug |
| Crawler Adjust(Y Spec.)(To M1B872) | 52 | Cylinder Assy Z, Buck Up Ring, Dust Seal, Adjust Tube Assy, Piston, Nipple Valve Assy, Grease PT1 Nipple |
| 178.(39A)Crawler Adjust(S Spec.)(From M1B873) | 53 | Cylinder Assy, Adjus, Tube Assy, Adjust, Piston, Ring, Back Up, Seal |
| Crawler | 54 | Shoe Assy, Track, Link Assy, Bush, Truck, Pin, Rubber |
| Travel Lever | 55 | Drive Grip, Washer, Bolt, Screw |
| Blade Lever | 56 | Grip, Lever Assy, Blade, Bolt |
| Swing Pedal | 57 | Pedal, Swing, Bolt |
| Lock Lever & Lever Stand | 58 | Bush, 25X15 Bush, Gas Spring, Ring, E- Ring, Grease PT1 Nipple |
| Pedal Stand | 59 | Shaft, Pedal Cover, Pad, Washer |
| Armrest | 60 | Guide Assy, Plate, Bolt |
| Travel Frame | 61 | Frame Assy, Cover, Bolt |
| Crawler Guard | 62 | Guard Plate, Washer, Bolt |
| Counter Weight | 63 | Weight Assy, Sponge, Washer, Bolt, Grommet |
| Turning Frame | 64 | - |
| Turning Bearing | 65 | Bearing Assy, Swing, Seal, Bolt, Pin, Parallel |
| Cover(Fuel Tank Side) | 66 | Washer, Bolt |
| Tail Cover | 67 | Cover Assy, Tail, Tail a, Tail B, Bolt, M8X 20 |
| Center Cover | 68 | Lock Handle, Engine Cover Label, Stopper Rubber, Bolt |
| Cover(Seat Mount) | 69 | Lock Handle, -Way Us Label, Bolt, Nut |
| Cover(Travel Frame) | 70 | Trim, Cover, Washer, Bolt |
| Cover(Turning Frame) | 71 | A C/v Cover, Washer, Bolt |
| Frame Guard(Left) | 72 | Guard Assy, Frame L, Sponge, Guard L a, Guard L B, Label, Support |
| Frame Guard(Right) | 73 | Guard Assy, Frame R, Sponge, Multi Cover, Rubber, Plate, Guard R B |
| Floor Mat | 74 | Mat, Floor |
| Lever Box | 75 | Clip, Tree Clip, Bolt |
| Side Cover | 76 | Cover Assy, Side, Sheet, Insulation a, Insulation B, Insulation C |
| Seat Mount | 77 | Tree Clip, Seal, Trim, Cover Seal, Rubber |
| Seat Slide | 78 | Slide Assy, Seat, Plate, Stopper, Frame Assy, Slide, Bolt |
| Seat | 79 | Screw, Bolt |
| Bonnet(Body) | 80 | Stopper Spring, Washer, Bolt, Nut |
| Bonnet(Rear) | 81 | Shaft, Lock Cover, Swing Area Label, Engine Cover Label, Stopper Rod Assy, Lock Lever Assy, Catch Plate, Catch Spring |
| Bonnet(Left) | 82 | Bonnet L Assy, Seal, Seal Rubber, Washer |
| Bonnet(Right) | 83 | Bonnet Assy, Washer, Bolt, Screw |
| Cabin Mount(Bracket) | 84 | Bolt, Washer |
| Cabin Mount(Antivibration Mount) | 85 | Washer, Bolt, Nut |
| Cabin(Assembly) | 86 | Manual Label, ROPS Label, Seat Belt Label, Lever Lock Label |
| Cabin(Accessory)(1) | 87 | Door Stopper, Timer, Nut, Washer |
| Cabin(Accessory)(2) | 88 | Latch Assy, Lever Assy, Cable Assy, Grip, Striker, Switch |
| Cabin(Accessory)(3) | 89 | Pad, Cover, Seal, Rivet |
| Cabin(Electric Parts) | 90 | Bush, Harness Assy, Tube Assy, Grommet, Band, Tape |
| Cabin(Glass) | 91 | Spacer, Sash Lock Assy, Slope Label, Transport Label, Neutral Label, Steering Label |
| Cabin(Front Window)(1) | 92 | Window Assy, Front, Glass, F/W, Lever Assy, F/W Lock, Cable Assy |
| Cabin(Front Window)(2) | 93 | E- Ring, 12X20 Bush, Stopper B, Screw |
| Cabin(Wiper & Window Washer) | 94 | Tank, Washer, Motor, Wiper, Arm, Blade Assy, 500 |
| Cabin(Radio) | 95 | Electric Assy, No Rad, Band, Binding, Speaker, Antenna, Radio, Cover |
| Cabin Door | 96 | Spacer, Stopper B Z, Screw, Washer |
| Rearview Mirror | 97 | Mirror, Bracket Assy |
| Cabin(Cover) | 98 | Washer, Bolt, Screw |
| Side Mirror | 99 | Mirror Assy, Back, Mirror |
| Hydraulic Pump Mount & Joint | 100 | Mount, Pump, Bolt, Coupling |
| Hydraulic Pump | 101-103 | Tree Clip, Ring, O-Ring, Plug |
| Control Valve Plate | 104 | Joint, Plug, Washer, Bolt |
| Boom Cylinder | 105 | Spacer, Slide Guide, Grease PT1 Nipple, Grease C Nipple, Slide Cover, Hose Cover, Spring |
| Arm Cylinder | 106 | Arm Cylinder Assy, Cylinder Tube Kit, Dust Seal, Grease C Nipple, Connector Assy |
| Bucket Cylinder(K Spec.) | 107 | Cylinder Assy, Bucket, Piston, Head, Seal, Dust, Repair Kit, Seal Kit |
| 176.(91A)Bucket Cylinder(J Spec.) | 108 | Grease PT1 Nipple, Grease C Nipple, Ball, Bolt |
| Swing Cylinder | 109 | Grease C Nipple, Lock Plate, Shim, Washer |
| Blade Cylinder(K Spec.) | 110 | Cylinder Assy, Seal, Piston, Head, Bearing, Repair Kit |
| 177.(93A)Blade Cylinder(J Spec.) | 111 | Cylinder Assy, Seal, Piston, Head, Repair Kit, O-Ring |
| Hitch Cylinder | 112 | Piston, Hitch Tube, Bush - -, Head, 45X25 Bush, Hitch Rod Assy, Head 80X45 Seal Set |
| Travel Motor | 113-114 | Spring Retainer, Valve, Spring, Ring, Piston Assy, Retainer Plate, Friction Plate, Plate |
| Turning Motor | 115-116 | Sun Gear, Snap Ring, Holder, Inner Race, Needle Bearing, Planetary Gear, Thrust Plate, Drive Gear |
| Swivel Joint | 117 | Ring, Washer, Plug, Bolt |
| Accumulator | 118 | Clamp, Connector, O-Ring |
| Line Filter | 119 | Elbow Assy, O-Ring, Washer, Bolt |
| 100.Control Valve(A-Type)(1/9)(To M1B319) | 120 | - |
| 101.Control Valve(A-Type)(2/9)(To M1B319) | 121 | Body, Spring Seat, Cap, Spring, Poppet, Shut-Off Valve Assy |
| 102.Control Valve(A-Type)(3/9)(To M1B319) | 122 | Poppet, Spring Seat, Cap, Spring |
| 103.Control Valve(A-Type)(4/9)(To M1B319) | 123 | Spring Seat, Valve Assy, Buck Up Ring, Body, Piston, Poppet, Spool, Sleeve |
| 104.Control Valve(A-Type)(5/9)(To M1B319) | 124 | Spring Seat, Cap, Spring, O-Ring |
| 105.Control Valve(A-Type)(6/9)(To M1B319) | 125 | Spring Seat, Spring, Cap, Poppet |
| 106.Control Valve(A-Type)(7/9)(To M1B319) | 126 | Spring Seat, Cap, Spring, Poppet, Shut-Off Valve Assy |
| 107.Control Valve(A-Type)(8/9)(To M1B319) | 127 | Spring Seat, Ring, Cap, Spring, Poppet |
| 108.Control Valve(A-Type)(9/9)(To M1B319) | 128 | Body, Spring Seat, Spring, Cap, Poppet |
| 167.(108A)Control Valve(B-Type)(1/9)(From M1B320) | 129 | - |
| 168.(108B)Control Valve(B-Type)(2/9)(From M1B320) | 130 | - |
| 169.(108C)Control Valve(B-Type)(3/9)(From M1B320) | 131 | - |
| 170.(108D)Control Valve(B-Type)(4/9)(From M1B320) | 132 | - |
| 171.(108E)Control Valve(B-Type)(5/9)(From M1B320) | 133 | - |
| 172.(108F)Control Valve(B-Type)(6/9)(From M1B320) | 134 | - |
| 173.(108G)Control Valve(B-Type)(7/9)(From M1B320) | 135 | - |
| 174.(1 | 136 | - |
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 p. 101
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 PumpReduced travel speed and poor crawler response pointing to worn out carrier rollers p. 51
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 RollerHydraulic fluid leaking from the front blade cylinder requiring a complete seal kit p. 110
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.)Engine starting difficulty and intermittent electrical operation repeatedly blowing the main fuses p. 27
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: EngineLoud popping noise from the tracks indicating severely worn final drive sprockets p. 48
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: SprocketFrequently 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.
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.
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.
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.
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