Tracking down the exact components for your 1993-1998 Yanmar VIO40 crawler backhoe starts with this 243-page Yanmar VIO40 Parts Manual PDF (OEM #Y00K2892). You get complete exploded views of the entire machine, detailing every single assembly from the chassis to the boom cylinder. Open up detailed hydraulic piping schematics and full wiring diagrams that make identifying harnesses and control valves fast and accurate. Verify you are ordering the correct B30 fuse for the main electrical circuit, or cross-reference the exact Yanmar Ocean Green paint code to match your 3TNE88L-Rbv engine block perfectly. Wasting days waiting on the wrong parts kills shop profitability. Grab this bookmarked file, pull it up on your shop tablet, and get your parts order right the first time.
What's Inside This Yanmar ViO40 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 1 | Model Name VIO40 C(R), Model Name VIO40 P(R), Engine 3TNE88L-Rbv |
| Specifications | 2 | Model, Engine Type, Transport Length, Transport Width, Max. Digging Depth, Std. Bucket Capacity |
| Painted Color List | 3 | Yanmar Ocean Green, Yanmar Peacock Green, Yanmar Citrus Green, Yanmar Dark Olive Gray |
| Paint Part No | 4-15 | Yanmar Ocean Green Paint Part Number, Yanmar Peacock Green Paint Part Number, Yanmar Citrus Green Paint Part Number, Yanmar Dark Olive Gray Paint Part Number |
| Wiring Diagram (1) | 16 | Starter Switch, Horn, Radio Cassette, Heater, Battery, Fuse Box |
| Wiring Diagram (2) | 17 | Starter Switch, Horn, Radio Cassette, Heater, Battery, Fuse Box |
| Wiring Diagram (3) | 18 | Starter Switch, Horn, Radio Cassette, Heater, Battery, Fuse Box |
| Wiring Diagram (4) | 19 | Starter Switch, Horn, Radio Cassette, Heater, Battery, Fuse Box |
| Wiring Diagram (One Touch Decel) | 20-22 | Label Assy, Specification Label, Feed Water Label, Grease Feed Label, Accel Label, Restart Label, Rear Emblem, No Mark |
| Label (Cabin) (Jp) | 23-24 | Label Assy, Accel Label, Rear Emblem, No Mark, Grease Feed Label, Start Switch Label, Plate, Fuel Label |
| Label (Cabin) (Ex) | 25-26 | Label Assy, Grease Feed Label, Accel Label, Rear Emblem, No Mark, Boom Label, Cab Label, Grease Label |
| Label (Cabin) (Ep) | 27-29 | Label Assy, Specification Label, Feed Water Label, Grease Feed Label, Accel Label, Restart Label, Rear Emblem, No Mark |
| Label (Canopy) (Jp) | 30-31 | Label Assy, Accel Label, Rear Emblem, No Mark, Grease Feed Label, Start Switch Label, Plate, Fuel Label |
| Label (Canopy) (Ex) | 32-33 | Tool Set, Tool Bag, Filter Wrench, Nozzle, Wrench 8X10, Bar Wrench, Box Wrench 27X140, Turning Handle |
| Tool | 34-35 | Exhaust Pipe, Air Cleaner Hose, Band, Hose, Cover, Mat |
| Suc. Pipe & Exh. Pipe | 36-37 | Accel Lever Assy, Grip, Cable, Cable Joint |
| Accelerator | 38-39 | Decelerate Kit, Base Cmp, Bush 14X20, Cable, Cable OD, Link B Cmp, Shaft Cmp, Link a |
| Accelerator (One Touch Decel) | 40-41 | Shock Absorber, Bracket, Bracket R, Bracket L, Brachet, Engine Bracket, Engine Stopper, Spring Seat |
| Engine Mount | 42-43 | Cooler Kit, Compressor, Pulley Cover Assy, Bracket Assy, Plate, Pulley, Adjuster Assy, Boss |
| Compressor & V Pulley (Cooler Spec.) | 44-46 | Hose, Band, Water Drain Hose, Bracket E, Bracket F, Seal Rubber, Pipe Fuel, Mount L |
| Radiator & Oil Cooler | 47-48 | Band, Radiator Mount, Seal Rubber, Cooler Assy, Bracket, Motor, Connector, Hose |
| Piping (Cooler Spec.) | 49-50 | Radiator Mount, Mount, Cover Assy, Bracket Assy, Plate, Duct, Filter, Panel Assy |
| Cover (Cooler Spec.) | 51-52 | Fuel Tank Assy, Cock, Fuel Gauge, Hose, Fuel Gauge Unit, Gasket, Float, Fuel Tank Cap |
| Fuel Tank & Fuel Pipe | 53-54 | Battery Cord, Battery, Battery Cable, Terminal Cover, Earth Wire, Angle, Rod, Battery Mount |
| Battery | 55-57 | Harness a, Harness, Harness B, Harness C, Lead Wire, Harness D, Band, Fusible Link |
| Electric Part (Cabin, Canopy) | 58-60 | Harness a, Harness B, Harness C, Lead Wire, Horn, Band, Grommet 16X20X4, Harness |
| Electric Part (Cabin, Canopy/One Touch Decel) | 61-62 | Harness F, Room Lamp, Bulb, Cigar Lighter Assy, Ashtray, Wiper Motor, Wiper Arm, Wiper Blade |
| Electric Part (Cabin) | 63-64 | Band, Band 200F, Wire Harness, Wire a Harness, Safety Relay, Wire C Harness, Bracket |
| Electric Part (Cooler Spec.) | 65-66 | Work Lamp, Bulb 12V55W, Work Lamp Cover, Washer |
| Work Lamp | 67-68 | Heater Assy, OD Heater Assy, Heater Switch, Heater Hose, Tube, Miniature Valve, Joint, Elbow |
| Heater & Defroster (Optional) | 69-70 | Radio W/ Cassette, Antenna, Radio Cassette, Radio Harness, Speaker, Speaker Stay a, Speaker Stay B, Mount |
| Radio Cassette (Optional) | 71-72 | Antenna, Radio Harness, Speaker, Speaker Stay a, Speaker Stay B, Mount, Speaker Cover, Antenna Cord |
| Radio Cassette (Ep) | 73-74 | Sprocket, Front Idler Assy, Idler, Coller 35X45X34, Seal, Idler Shaft, Bearing, Cover |
| Roller & Adjust | 75-76 | Track Shoe, Crawler 370R, Track Shoe R, Bush, Shoe Plate, Crawler Assy, Crawler 370L, Crawler Cmp |
| Crawler | 77-78 | Lever Boot P, Lever Assy, Knob Assy, Support Cover, Si Support, Support, Si Cover, Cover |
| Control Equip. (Operation Lever & Stand) | 79-80 | Plate, Knob, Band, Screw |
| Control Equip. (Travel) | 81-82 | Boots, Driv Grip L, Track Lever, Bush, Rod, Driv Grip R, Track Shaft Assy, Grease Nipple PT1 |
| Control Equip. (Swing) | 83-84 | Link W/ Bush, Bush, Pedal Bracket, Shaft, Swing Boss, Grease Nipple PT1, Grease Nipple C, Pedal Boots |
| Control Equip. (Blade) | 85-86 | Blade Lever Assy, Blade Grip, Blade Link, Rear Bracket Assy, Bracket Asy, Bush, Blade Cable, Cable Joint |
| Control Equip. (Cut Off Lever & Low-High Pedal) | 87-88 | Bracket, Switch Bracket, Red Round Grip, Lock Lever, Lock Arm Assy, Bush, Lock Guide Assy, Gas Spring |
| Control Equip. (P.T.O. Control) | 89-90 | Frame End Ptokit, Lock Spring, Cable Joint, Cable Support, Cable, Spool Rod, Pedal Boots, Swing Pedal Assy |
| Control Equip. (Telescopic Arm) | 91-92 | Cable Joint, Cable Support, Cable, Spool Rod, Pedal Boots, Swing Pedal Assy, Pedal Bracket, Connector UN3/4PF3 |
| P.T.O. Control | 93-94 | Join Ptokit, Throttle Lever Knob, Cable Joint, Spring 13X1.2X70, 3RD Cable, Bracket Compl, 3RD Link, Bush |
| Frame & Turning Bearing | 95-97 | Lower Frame, Crawler Guard, Center Weight, Turn Frame, Revolve Bearing, Turning Bearing, Upper Seal, Lower Seal |
| Frame Cover | 98-99 | PANEL(L), Instrument, Seal, Panel, Cover (R), Seat, Operator, Cushion Assy |
| Seat & Seat Mount | 100-101 | Cap, Instrument Panel, Inst Panel, Panel Seal, Cover, Operator Seat, Cushion Assy, Back Assy |
| Step | 102-104 | Plate, Step C, Grommet, Floor Mat, Bracket a, Plate B, Bracket, Frame Sheet |
| Bonnet | 105-106 | Rubber Sponge, Bonnet Grip, Washer, Pin |
| Duct | 107-109 | Duct Assy, Plate a Ev, Plate B Ev, Seal, Seal Rubber, Plate, Bracket Assy, Mount R Seal |
| Cabin (1) (Body) | 110-112 | Seal, Collar, Step Seat, Clip, Trim, Cover B, Sash, Frame Assy |
| Cabin (2) (Sash) | 113-114 | Roof Acrylic, Cabin Bracket, Roof Trim, Rear Trim, Cover a, Glass Collar, Rear Glass, Link a |
| Cabin (3) (Fitting) | 115-116 | Door Assy, Door Compl, Door Cover a, Link a Plate, Door B Link, Rod, Catch, Handle Assy |
| Cabin Door | 117-118 | Door Mold, Rubber Cord, Rubber, Stopper Rubber, Bracket, Pipe, Seal, Cab Label |
| Canopy & Canopy Frame | 119-120 | Canopy Roof, Canopy Pole, Canopy Boot, Plate Assy, Spacer, Bracket Compl, Canopy Bracket, Bracket Assy |
| Hyd. Oil Pump & Joint (Previous) | 121-124 | Flywheel Cover, Coupling, Pump Assy, Rocker Shaft Assy, Shaft, Seal Case, Bearing, Seal Assy |
| Hyd. Oil Pump & Joint (New) | 125-126 | Boom C Cylinder Assy, Boom C Tube, Bush, Dust Seal VAY45X55X4, Boom L Rod, Boom Rod, Head W/ Bush, Rod Bush |
| Boom Cylinder (Cabin) | 127-128 | Boom Cylinder, Boom Tube, Bush, Dust Seal VAY45X55X4, Boom Rod, Head W/ Bush, Rod Bush, Head Seal Set |
| Boom Cylinder (Canopy) | 129-130 | Arm Cylinder, Arm Tube, Bush 40X50X40, Dust Seal 40X50X5, Arm Rod, Head, Head Seal Set, Spring Ring |
| Arm Cylinder | 131-132 | Bucket Cylinder Assy, Bucket Tube Assy, Bush 38X50X40, Dust 38X50X4 Seal, Bucket Rod, Head, Rod Bush, Head Seal Set |
| Bucket Cylinder | 133-134 | Head Seal Set, Piston Seal Set, Spring Ring, U-Nut M27, Bucket Rod, Bush 38X50X40, Dust 38X50X4 Seal |
| Bucket Cylinder (Telescopic Arm) | 135-136 | Cylinder, Seal Kit, Head 70X40 Seal Set, Piston Seal SET70X40, Spring Ring, U-Nut M27, Head, Rod Bush |
| Slide Cylinder (Telescopic Arm) | 137-138 | Swing Cylinder Assy, Swing Tube, Bush 40X40, Dust Seal 40X50X5, Swing Rod Assy, Head, Rod Bush, Head Seal Set |
| Swing Cylinder | 139-140 | Blade Cylinder, Blade Tube, Bush, Dust Seal VAY45X55X4, Rod Assy, Head, Rod Bush, Head Seal Set |
| Blade Cylinder | 141-142 | Driving Motor Assy, Spring, Thrust Plate, Angular Bearing, Planetary Gear, Cage & Roller, Collar, Gauge & Roller |
| Travel Motor | 143-144 | Cylinder Block Kit, Base Plate Kit, Plunger Assy, Bolt |
| Turning Motor (Previous) | 145-146 | Turning Motor, Reduction Gear Assy, Pinion Shaft, Coller, Bearing, Gear Case, Holder Assy, Gear |
| Turning Motor (New) | 147-148 | Turning Motor Cmp, Reduction Gear Assy, Pinion Shaft, Coller, Bearing, Gear Case, Holder Assy, Gear |
| Swivel Joint | 149-150 | Swivel Joint Assy, Shaft, Swivel Hub, Plate, Swivel Spacer, Seal Assy, Swivel Seal |
| Control Valve (P Port) | 151-152 | Control Valve Assy, Inlet Section Kit, Relief Valve, Spacer Section Assy, Spool Section Kit, Tie-Rod, Link Plate, Cushion |
| Control Valve (Travel & Optional) | 153-154 | Spool Section Assy, Wiper, Cap, Seal Plate, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (Arm & Swing) | 155-156 | Spool Section Assy, Cap Assy, Filler Cap, Spool End, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (Boom & Bucket) | 157-158 | Spool Section Kit, Cap, Filler Cap, Spool End, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (Turning & Blade) | 159-160 | Spool Section Assy, Cap, Filler Cap, Spool End, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (P Port/P.T.O.) | 161-162 | 3RD Valve Assy, Inlet Section Kit, Relief Valve, Spacer Section Assy, Spool Section Kit, Shut-Off Valve Assy, Tie-Rod, Link Plate |
| Control Valve (Travel & Optional/P.T.O.) | 163-164 | Spool Section Assy, Wiper, Cap, Seal Plate, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (Arm & Swing/P.T.O.) | 165-166 | Spool Section Assy, Cap Assy, Filler Cap, Spool End, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (Boom & Bucket/P.T.O.) | 167-168 | Spool Section Kit, Cap, Filler Cap, Spool End, Spring Seat, Spring, Poppet, Check Valve Spring |
| Control Valve (Turning & Blade/P.T.O.) | 169-170 | Spool Section Assy, Cap, Filler Cap, Spool End, Spring Seat, Spring, Poppet, Check Valve Spring |
| P.T.O. Valve | 171-172 | PTO Valve Assy, Tie-Rod, Inlet Section Assy, Outlet Section, Spool Section Set, Wiper, Cap, Seal Plate |
| Remote Control Valve | 173-174 | Rmt.cont Valve Assy, Spring, Retainer, Sp, Piston, Seal, Collar, Boot |
| Way Valve (2-Way Multi Change) | 175-176 | -Way Multi V Kit, Multi Plate B, Plate B, Cover, Bracket Cmp, Label, -Way Valve, Plate |
| Rotary Valve (4-Way Multi Change) | 177-178 | Multi Valve Kit, Bracket Compl, Multichng Valve Cmp, Valve, Lever, Cover, Spring, Mark Plate |
| Low-High Valve (Previous) | 179-180 | Low-High Valve Assy, Solenoid, Spring, Packing, Plate, Cover |
| Hyd. Oil Tank | 181-182 | Hydraulic Oil Tank Assy, Cover, Reservoir Cover, Plate, Gasket, Element, Oil Level Gauge, Magnet |
| Hyd. Oil Piping (Tank~Pump~Valve) (Previous) | 183-184 | Connector, Flange, Joint PF1, Connector 2L, Connector UN7/8PF1, Suction Tube Assy, Hose .5X51, Hose |
| Hyd. Oil Piping (Tank~Pump~Valve) (New) | 185-186 | Flange, Connector, Connector UN7/8PF1, Tube, Hose, Connector 2L, Body, Joint Rgi |
| Hyd. Oil Piping (Valve~Motor, Boom) | 187-188 | Connector PF3/ -, Connector, Joint 4UN-, Grommet, Hose G206BC166S, Hose G206BC170, Hose Support, Cover Assy |
| Hyd. Oil Piping (Valve~Swivel, Swing) | 189-190 | Adaptor, Connector - -, Connector UN7/8PF1, Nipple 4U-PF1, Connector - 4UN, Connector PF1/ -, Joint RGI1, Hose |
| Hyd. Oil Piping (Return) (Previous) | 191-192 | Connector PF1, Connector -, Elbow Nipple, Joint Rgi, Joint Compl, Connector 2L, Hose G612BY260S, Hose G612YY058S |
| Hyd. Oil Piping (Return) (New) | 193-196 | Elbow, Connector -, Joint, Connector UN7/8PF1, Connector 2L, Joint 45RGI1, Hose, Hose G612YY058S |
| Hyd. Oil Piping (P.T.O. Valve, Frame) | 197-198 | Connector PF1, Adapter -, Connector, Connector UN3/4PT1, Elbow Nipple, Nipple, T-Joint, Joint Rgi |
| Hyd. Oil Piping (Travel) | 199-200 | Connector -, Connector PF1/2PF1, Joint Rgi, Hose, Plate, Hose G706BB140W, Hose P206AB066W |
| Hyd. Oil Piping (Boom) | 201-202 | Retainer, Arm Tube a, Arm Tube B, Bucket Tube a, Bucket Tube B, Boom Tube a, Boom Tube B, Rubber |
| Hyd. Oil Piping (P.T.O. Valve, Boom) | 203-204 | Arm End Ptokit, PTO. Kit, Bucket Tube a, 3RD Tube a, Bucket Tube B, 3RD Tube B, 3RD Tube C, Joint Pt |
| Hyd. Oil Piping (Telescopic Arm, Boom) | 205-206 | Joint Rgi, Hose, Adapter -, Tube, Bulb, Plate |
| Control Piping (Direct) (Previous) | 207-208 | Connector PF1, Hose, Hose G604CW200S P, Hose G604BY115S T, Joint 90RGI1, Joint PF1/ -, Sponge, Clip |
| Control Piping (Direct) (New) | 209-210 | Connector PF1, Hose, Hose G604CW140S P, Hose G604BY115S T, Joint PF1/ -, Sponge, Clip, Cover |
| Control Piping (2-Way Valve~Control Valve ~Remo.~Con.Valve) | 211-212 | Band, Hose G604BB057, Hose, Joint RGI1, Connector PF1, Joint PF1/ -, Check Valve, Hose G604CW140S P |
| Control Piping (Remo.~Con.Valve ~Rotary Valve) (Previous) | 213-214 | Connector, Hose G604BB130 J, Hose G604BB100 I, Hose G604BB100 K, Hose G604BB100 L, Hose, Connector PF1, Hose G604BY115S T |
| Control Piping (Remo.~Con.Valve ~Rotary Valve) (New) | 215-216 | Connector, Hose G604BB130 J, Hose G604BB100 I, Hose G604BB100 K, Hose G604BB100 L, Hose, Connector PF1, Hose G604BY115S T |
| Control Piping (Rotary Valve~Control Valve) | 217-218 | Connector, Hose G604BB055S B, Hose, Hose G604BB055 C, Hose G604BB055 F, Hose G604BB055 H, Connector PF1, Joint PF1/ - |
| Greasing | 219-220 | Joint, L-Joint, Grease Joint, Connector Pt, Hose, Grease Nipple PT1 |
| Boom & Boom Bracket | 221-222 | Boom W/ Bush, Bush, Dust Seal 45X55X4, Spacer, Grease Nipple B, Boom Bracket Assy, Bush 70X85, Lock Plate |
| Arm & Bucket Link | 223-224 | Arm Assy, Bush 38X55, Dust Seal 45X55X4, Dust Seal, Spacer, Bucket Arm Pin Kit, Grease Nipple PT1, Bucket Arm |
| Telescopic Arm & Bucket Link | 225-226 | Spacer, Outer Arm, Dust Seal 45X55X4, Inner Arm, Bush 38X55, Dust Seal, Slide Rod, Slide Plate |
| Bucket S Type | 227-229 | Bucket, Side Cutter, Teeth Assy, Tooth 18S Point, Lock Pin Assy, Rubber Bin Lock, Adapter, Bucket Pin Kit |
| Bucket S Type (Attachment) | 230-233 | Teeth Assy, Tooth 18S Point, Lock Pin Assy, Rubber Bin Lock, Adapter, Bucket, Side Cutter, Point Tooth Kit |
| Bucket (Attachment) | 234-235 | Spacer, Blade Assy, Dust Seal 45X55X4, Lock Plate, Grease Nipple PT1, Grease Nipple B |
| Blade | 236-237 | Label a, Label, Danger Label, Warning Label, Caution Label |
| Safety Label (Jp) | 238-239 | Danger Label, Warning Label, Caution Label, Safety Decal Set (Jp) |
| Safety Label (Ep) | 240 | Danger Label, Warning Label, Caution Label, Safety Decal Set (Ep) |
| P.T.O. Kit | 241-243 | PTO. Kit, Frame End Ptokit, Arm End Ptokit, Join Ptokit |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuse Rating | FUSE B30 | p. 59 |
Yanmar ViO40 Common Problems This Manual Covers
Need exact replacement fuse part numbers because Yanmar VIO40 won't start or has intermittent electrical shutdowns p. 59
Inspect the electrical parts diagram on page 59. Locate the fuse box assembly and find the exact part number for the FUSE B30 component. Cross-reference the harness connectors to ensure you order the correct replacement relays and switches for your machine.
Manual Section: Electric Part (Cabin, Canopy)Cannot locate the exact replacement cable and spring part numbers when the engine accelerates poorly or sticks p. 38
Inspect the accelerator parts diagram on page 38. Find the correct part numbers for the shaft, spring, and return cable. Verify the exact dimensions for the O-Ring 1A P-21.0 before ordering the required replacement components to fix the throttle linkage.
Manual Section: AcceleratorMissing the correct linkage hardware part numbers after the auxiliary attachment control pedal fails or binds up p. 93
Review the P.T.O. control components on page 93. Identify the part numbers for the lower frame, center weight, and revolving bearing. Ensure you order the exact Bolt M16X 45 Plated and Spring Washer 16 to properly secure the control linkage.
Manual Section: P.T.O. ControlNeed exact replacement joint and cable part numbers when telescopic arm joystick control response becomes highly erratic p. 91
Examine the telescopic arm control equipment on page 91. Look up the specific part numbers for the throttle lever, joint, and cable. Add the precise Washer 10 36 4.5 and O-Ring 27X5.7 to your parts list before ordering the replacements.
Manual Section: Control Equip. (Telescopic Arm)Frequently Asked Questions
What are the torque specs for VIO40 C(R) / VIO40 P(R) track motor bolts?
The manual lists BOLT M12X80 with part number 26450-120802 and a quantity of 6 in the Travel Motor section (p. 143-144). Specific torque values are not printed in this parts catalog — consult the Yanmar VIO40 Service Manual for torque specs.
Which wiring diagrams are included in this Yanmar VIO40 parts catalog?
The catalog includes four numbered Wiring Diagrams (pp. 16-19) covering the starter switch, horn, radio cassette, heater, battery, and fuse box. An additional Wiring Diagram (One Touch Decel) appears on pp. 20-22, showing the timer, start switch, wire harness, and decel solenoid. Cabin and canopy wiring harness part numbers are listed on pp. 58-64.
What hydraulic cylinder seal kits are available for the Yanmar VIO40?
The manual lists complete seal kits for all major cylinders: Boom Cylinder Seal Set (pp. 127-130), Arm Cylinder Head Seal Set (pp. 131-132), Bucket Cylinder Seal Kit and Piston Seal Set (pp. 133-134), Swing Cylinder Head Seal Set (pp. 139-140), and Blade Cylinder Head Seal Set (pp. 141-142). Each entry includes the specific part number and quantities for both Cabin and Canopy variants.
What crawler and undercarriage parts are listed for the Yanmar VIO40?
The undercarriage section (pp. 75-78) covers Roller & Adjust components including the Sprocket, Front Idler Assy, Track Shoe, Bush, Bearing, and Idler Shaft. The Crawler section lists Track Shoe, Crawler 370R and 370L assemblies, Bush, Shoe Plate, and Crawler Cmp. Part numbers for Crawler 370R and 370L are included for both left and right side replacements.
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