Hunting down replacement components for your excavator engine is simple with this 34-page Yanmar 3TNE82A-BVA, VIO30-1 parts catalog PDF (OEM #Y00B5912). Inside, you get highly detailed exploded views covering the entire cylinder block, gear housing, and fuel injection pump assembly. Trace every system down to the smallest seal washer, O-ring, and thrust bearing, then match them instantly with the correct factory part numbers. Review the full cooling water system and starting motor breakdowns to find exactly what you need for a complete rebuild. Identify the precise M22 drain plug that fits your oil sump before you ever place a hardware order. Stop wasting days waiting for the wrong parts to arrive in the mail. Grab this bookmarked digital file, pull it up on your tablet right at the workbench, and get the correct components your machine requires.
What's Inside This Yanmar 3TNE82A-BVA, 3TNE82A-BVA (VIO30-1), VIO30-1 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3-4 | Block Assy, Cylinder, Plug, Main Bearing, Thrust Bearing, Gasket Head |
| Gear Housing | 5-6 | Housing Assy, Gear, Oil Seal, Gears Housing Flange, O-Ring, Bolt |
| Flywheel Housing & Oil Sump | 7-8 | Flywheel Housing, Oil Sump, Drain Plug, Oil Seal, Seal Washer |
| Cylinder Head & Bonnet | 9-10 | Cylinder Head Assy, Valve Guide, Rocker Arm Shaft, Bonnet Assy, Bonnet Gasket, O-Ring |
| Suc.& Exh.Manifold | 11-12 | Suction Manifold, Exhaust Manifold, Manifold Gasket, Air Heater, Silencer |
| Camshaft & Drive Gear | 13-14 | Camshaft Assy, Push Rod, Camshaft Gear, Idle Gear, Tappet |
| Crankshaft & Piston | 15-16 | Crankshaft Assy, Crankshaft Gear, Piston Assy, Piston Ring Set, Connecting Rod Assy, Crankpin Bearing |
| Lub. Oil System | 17-18 | Lub. Oil Pump Assy, Oil Dipstick, Oil Filter, Oil Pressure Switch, Lub. Oil Pipe, Seal Washer |
| Cooling Water System | 19-20 | Pump C.W., O-Ring, Gasket C.W. Pump, V-Belt, Fan Cooling, Thermostat |
| Fuel Injection Pump | 21-22 | Pump Assy F.I.Pump, Gasket, Camshaft, Plunger W/Barrel, Rack Control, Pinion Control |
| Governor | 23-24 | Case Governor, Weight Assy Gov., Shaft Assy Control, Lever Assy Governor, Spring Governor, Solenoid |
| Fuel Injection Pipe | 25-26 | Valve Assy F.Inject, Nozzle Assy F.Inject, Holder Assy Nozzle, Pipe Fuel Injection, Clamp, Pipe Fuel Return |
| Fuel Pipe | 27-28 | Strainer Assy Fuel, Valve Taper, Element, Cup Strainer, Pipe Fuel, Pipe Fuel Oil |
| Starting Motor | 29-30 | Starter, Armature Assy, Yoke Assy, Brush Holder Assy, Internal Gear, Magnetic Switch Assy |
| Generator | 31-32 | Washer Spring, Stator, Coupler, Ball Bearing, Flywheel Assy |
| Gasket Set(Optional) & Tool | 33-34 | (Non.Asb.), Gasket Head, O-Ring F.I.Pump, Gasket Bonnet, Gasket Exh.Manifold, Gasket Liquid |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Drain Plug Thread Size | M22 | p. 6 |
Yanmar 3TNE82A-BVA, 3TNE82A-BVA (VIO30-1), VIO30-1 Common Problems This Manual Covers
Yanmar 3TNE82A-BVA gear housing leaking fluid around the bottom flange and stripped threads p. 6
Inspect the exploded view on page 6 to locate the correct replacement plug. Verify your housing requires the standard M22 drain plug thread size. Cross-reference the associated seal washer in the parts list to ensure a tight seal before assembling the gear housing flange.
Manual Section: Gear HousingBlue smoke and heavy oil consumption after long-term use with low cylinder compression p. 14
Examine the internal components breakdown on page 14 to find the right part numbers. Ensure you select the 0.25 mm oversize piston ring set if your block has been machined. Match the connecting rod assembly and crankpin bearing numbers to your specific serial range.
Manual Section: Camshaft & Drive GearFluctuating engine temperature or hunting RPM at idle with poor throttle response p. 22
Check the governor linkage diagram on page 22 for the correct control shaft assembly part number. Verify the replacement governor link length matches the 30 mm specification for Mark 0 configurations. Reference the E-type circlip and spring part numbers to complete your order.
Manual Section: Fuel Injection PumpLow oil pressure warnings and metal particles found during routine engine maintenance p. 16
Locate the lubrication system breakdown on page 16 to find the exact replacement filter. Confirm your housing accepts the 80x80 mm filter dimension before ordering. Note the part numbers for the oil pressure switch and associated seal washers to replace all contaminated components.
Manual Section: Crankshaft & PistonFrequently Asked Questions
How do you fix yanmar 3TNE82A-BVA gear housing leaking fluid around the bottom flange and stripped threads?
Inspect the exploded view on page 6 to locate the correct replacement plug. Verify your housing requires the standard M22 drain plug thread size. Cross-reference the associated seal washer in the parts list to ensure a tight seal before assembling the gear housing flange.
How do you fix blue smoke and heavy oil consumption after long-term use with low cylinder compression?
Examine the internal components breakdown on page 14 to find the right part numbers. Ensure you select the 0.25 mm oversize piston ring set if your block has been machined. Match the connecting rod assembly and crankpin bearing numbers to your specific serial range.
How do you fix fluctuating engine temperature or hunting RPM at idle with poor throttle response?
Check the governor linkage diagram on page 22 for the correct control shaft assembly part number. Verify the replacement governor link length matches the 30 mm specification for Mark 0 configurations. Reference the E-type circlip and spring part numbers to complete your order.
How do you fix low oil pressure warnings and metal particles found during routine engine maintenance?
Locate the lubrication system breakdown on page 16 to find the exact replacement filter. Confirm your housing accepts the 80x80 mm filter dimension before ordering. Note the part numbers for the oil pressure switch and associated seal washers to replace all contaminated components.
Is this Yanmar 3TNE82A-BVA, 3TNE82A-BVA (VIO30-1), VIO30-1 manual a digital?
You get a 34-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 3TNE82A-BVA, 3TNE82A-BVA (VIO30-1), VIO30-1 manual printable?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Document Quality
This document is a scanned PDF with an accurate OCR layer, which means you can search and copy text from all pages. The text is consistently crisp and easy to read, appearing very clear throughout the document. Diagrams and illustrations are high-quality scanned images, and their labels are sharp and perfectly legible. All pages are clean, showing no scan artifacts, stains, or skewed content, ensuring a professional presentation without any blank or filler pages.
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