Part of the Yanmar Parts Manuals.
All 42 pages of this Yanmar 3TNV88-BPTB2, TB235, and 3TNV88-BPTB1 Parts Catalog are built around one job: identifying every component in this engine before you order a single bolt. Inside, exploded assembly figures walk you through every engine system, from the cylinder block and gear housing to the fuel injection pump, governor, and gasket set. Each figure pairs part numbers with reference codes, interchangeability marks, and effective machine numbers so you're looking at the exact hardware for your TB235, not a cross-your-fingers guess. When you need to confirm a part match, the catalog gives you the reference data: the air cleaner element is 5 inches, and the injection pump's Woodruff key seats at 4x16 mm. No more ordering the wrong part and eating a week of downtime. Bookmarked and keyword-searchable; jump straight to the crankshaft assembly or starter pinion and pull your part numbers in seconds.
What's Inside This Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 6-7 | Cylinder Block Assy, Camshaft Bush, Thrust Metal, Gasket, Main Bearing Set Under-Sized Part, Main Metal Over-Sized Part, Thrust. Repair Part Metal |
| Gear Housing | 8-9 | Gear Case Assy, Oil Seal, Gear Case Flange, Filler Cover, Hydraulic Oil Pump Cover, Knock Pipe, Blind Cover |
| Flywheel Housing & Oil Sump | 10-11 | Flywheel Housing, Flywheel Cover Cap, Oil Sump Spacer, Lub. Oil Sump Assy, Oil Seal Case Assy, Oil Seal |
| Cylinder Head & Bonnet | 12-13 | Engine Lifter, Rocker Shaft Assy, Rocker Arm Shaft, Rocker Arm Support, Spring, Rocker Arm Assy, Valve Cap, Cylinder Head Assy |
| Suction Manifold & Air Cleaner | 14-15 | Breather Pipe, Int Manifold Assy, Breather Joint, Gasket, Bend, Air Cleaner Assy, Element 5INCH, Unloader Valve |
| Exhaust Manifold & Silencer | 16-17 | Exhaust Manifold, Exhaust Manifold Gasket, Silencer Gasket, Silencer ) |
| Camshaft & Driving Gear | 18-19 | Tappet, Push Rod, Camshaft Assy, Thrust Metal, Camshaft Gear, Idle Gear Shaft, Idle Gear Assy, Idle Gear Repair Part Bush |
| Crankshaft & Piston | 20-21 | Crankshaft Assy, Crankshaft Gear, Crankshaft V-Pulley, Flywheel Assy, Ring Gear, Piston Assy, Piston Ring Set, Connecting Rod Assy |
| LUB.OIL System | 22-23 | Lub. Oil Pump Assy, Lub. Oil Pump Gasket, Joint PT1, Lub. Oil Dipstick, Dipstick Guide, Gasket, Oil Inlet Pipe Assy, Filter Bracket Assy |
| Cooling Water System | 24-25 | Water Pump Assy, Gasket, Plate, Joint, Thermo. Case Gasket, V-Pulley, V-Belt, Cooling Fan |
| Fuel Injection Pump | 26-27 | Injection Pump Assy Governor Assy Isincorporated in This, Stopper, Dilevery Valve Assy, Spring, Delivery Holder, Lifter, Timer Set, Timer Cmp |
| Governor | 28-29 | Case Packing, Packing, Spring, Regulator Lever, Shaft Retainer, Case Cover, Stop Solenoid |
| Fuel Injection Valve | 30-31 | Fuel Injector, Nozzle Assy, Nozzle Holder Assy, Nozzle Spring, Nozzle Spring Seat, Stop Plate, Injection Pipe Retainer, Injection Pipe Assy |
| Fuel Line | 32-33 | Fuel Filter Bracket, Spacer Filter Bra, Fuel Oil Filter, Fuel Oil Pipe Assy, Fuel Pump, Separator Assy, Element, Retaining Ring |
| Starting Motor | 34-35 | Starter, Magnetic Switch Assy, Armature Assy, Yoke Assy, Brush Holder Assy, Brush, Brush Spring, Rear Cover Assy |
| Generator | 36-37 | Alternator, Rotor Assy, Bearing Cover, Drive Flame Assy, Plate, Rear Flame Assy, Pulley, Holder |
| Gasket Set | 38-39 | Gasket Set Optional Part, Gasket, Valve Stem Seal, Nozzle Protector, Nozzle Seat, Bonnet Gasket, Exhaust Manifold Gasket, Silencer Gasket |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Air cleaner element size | 5 inch | p. 15 |
| Thermo switch activation temperature | 110 C | p. 25 |
| Woodruff key dimensions | 4x16 mm | p. 27 |
