Part of the Yanmar Parts Manuals.
This Yanmar 3TNE68-TBZ engine parts catalog gives you the full exploded-view breakdown for the 3TNE68-TBZ diesel engine used in the TB15FR application. Use it to identify exact OEM part numbers and quantities across every assembly, from the cylinder block, crankshaft and piston, and cylinder head, through the fuel injection pump, governor, and injection valves, to the cooling and lubrication systems, starting motor, generator, and complete gasket set. Each section is an exploded parts diagram, so you can match the right component before you order.
What's Inside This Yanmar 3TNE68-TBZ Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 1 | Block Assy, Cylinder, Plug, Bolt, Bush, Main Bearing, Thrust Bearing |
| Gear Housing | 2 | Cover Assy Gear Case, Seal HTC456208, Gasket, Pump Assy, Hydraulic, O-Ring, Housing Assy, Gear |
| Flywheel Housing & Oil Pump | 3 | Housing, Flywheel, Cap, Flywheel Cover, Case Assy, Oil Seal, Sump Assy, Oil |
| Cylinder Head & Bonnet | 4 | Head Assy, Cylinder, Valve, Valve Stem Seal, Rocker Arm Support, Gasket, Bonnet, Glow Plug |
| Suction Manifold & Air Cleaner | 5 | Manifold, Suction, Gasket, Air Cleaner, Element, Valve, Unloader, Pipe |
| Exhaust Manifold & Silencer | 6 | Manifold, Exhaust, Gasket, Bolt, Stud, Clamp, Silencer |
| Camshaft & Driving Gear | 7 | Camshaft Assy, Tappet, Push Rod, Camshaft Gear, Idle Gear, Ball Bearing |
| Crankshaft & Piston | 8 | Crankshaft Assy, Crankshaft Gear, Flywheel Assy, Piston, Connecting Rod, Crankpin Bearing |
| Lub. Oil System | 9 | Lub. Oil Pump, Dipstick, Lub. Oil Filter, Oil Pressure Switch |
| Cooling Water System | 10 | C. Water Pump, Thermostat, Thermo Switch, Sub-Tank, Radiator, Water Pipes |
| Fuel Injection Pump | 11 | F.INJECT. Pump, Plunger, Delivery Valve, Rack, Pinion, Tappet |
| Governor | 12 | Case, Driving Set, Weight, Link, Lever, Engine Stop Device |
| Fuel Injection Valve | 13 | Fuel Inject. Valve, Nozzle, Nozzle Holder, Nozzle Spring, Injector Pipes, Fuel Return Pipe |
| Fuel Line | 14 | Fuel Strainer, Strainer Element, Fuel Oil Pipe, Water Separator, Feed Pump, Taper Valve |
| Starting Motor | 15 | Shift Lever, Armature, Brush Holder, Magnet Switch, Pinion |
| Generator | 16 | Stator, Coupler, Flywheel, Belt Adjuster, Current Limitter |
| Gasket Set | 17 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cylinder Head Stud Quantity | 14 | p. 1 |
| Valve Guide Quantity | 6 | p. 4 |
| Thermostat Opening Temperature | 71°C | p. 10 |
| Thermo Switch Temperature | 110°C | p. 10 |
| Plunger w/Barrel Quantity (Fuel Injection Pump) | 3 | p. 11 |
| Glow Plug Quantity | 3 | p. 4 |
| Piston w/Rings Quantity | 3 | p. 8 |
| Tappet Quantity | 6 | p. 7 |
| Valve Spring Quantity | 6 | p. 4 |

















