Part of the Yanmar Parts Manuals.
Strip a 3TNE88 to the bare block and the first thing you run out of is not skill, it is part numbers: the gasket you tore getting the head off, the 0.25 undersize main metal the machine shop just told you to order, the O-ring that came off in pieces. This Yanmar parts catalog, publication Y00B5902, puts the answer to every one of those questions into 37 pages covering the 3TNE88-(E)B1(B37-2B) vertical multi cylinder T-series industrial diesel.
Fourteen sections walk the whole engine: cylinder block, cylinder head and bonnet, camshaft and driving gear, crankshaft and piston, lubrication, cooling water, and the complete fuel side from injection pump and governor through injection pipe and fuel strainer. Each section lists the assemblies and hardware so you order once and order right.
It downloads as a PDF and it is yours to keep, whether the engine sits in a genset, a pump, or apart on your stand.
What's Inside This Yanmar 3TNE88-(E)B1 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3-4 | Gear Housing Assy, Oil Seal, Gears Housing Flange, Lub. Oil Supply Cap, Hydraulic Oil Pump Cover, Gasket, Knock Pipe, Retainer |
| Gear Housing | 5-6 | Flywheel Housing, Flywheel Cover Cap, Lub. Oil Sumpassy, Lub. Oil Cmp, Oil Seal Case Assy, Oil Seal |
| Flywheel Housing & Lub. Oil Sump | 7-8 | Hose, Engine Lifter, Cylinder Head Assy, Valve Guide, Intake Valve, Exhaust Valve, Valve Spring, Spring Retainer |
| Cylinder Head & Bonnet | 9-10 | Suction Manifold, Gasket, Suction Silencer, Cleaner Support Assy, Support Seat, Band, Rubber Sheet, Support |
| Suc. Manifold & Air Cleaner | 11-12 | Exhaust Manifold, Exhaust Manifold Gasket, Gasket, Silencer, Silencer Stay |
| Exh. Manifold & Silencer | 13-14 | Tappet, Push Rod, Camshaft Assy, Thrust Metal, Camshaft Gear, Idle Gear Shaft, Gear W/ Bush, Idle Gear Bush |
| Camshaft & Driving Gear | 15-16 | Crankshaft Assy, Crankshaft Gear, Crankshaft V-Pulley, Flywheel W/ Ring Gear, Ring Gear, Piston W/ Rings, Piston Ring Set, Connecting Rod Assy |
| Crankshaft & Piston | 17-18 | Lub. Oil Pump Assy, Lub. Oil Pump Gasket, Dipstick, Dipstick Guide, Gasket, Oil Inlet Pipe Assy, Strainer Bracket, Filter 80X80L |
| Lub. Oil System | 19-20 | Cooling Water Pump Assy, Coolant Pump Assy, Cooling Water Pump Gasket, V-Belt, V-Belt A37, V-Pulley, Cooling Water Pump V-Pulley, Cooling Fan |
| Cooling Water System | 21-23 | Fuel Injection Pump Pump Assy, Fuel Injection Pump Assy, Gasket, Fuel Feed Pump Assy, Camshaft, Thrust Ball Bearing, Cam Shaft Support, Support |
| Fuel Injection Pump | 24-25 | Governor Case, Packing, Cover, Link, Governor Weight Assy, Sleeve, Control Shaft Assy, Shaft Spacer |
| Governor | 26-27 | Fuel Injection Valve Assy, Fuel Injection Nozzle Assy, Nozzle Holder Assy, Nozzle Spring, Nozzle Spring Seat, Stop Plate, Injection Pipe Retainer, Fuel Injection Pipe |
| Fuel Injection Pipe | 28-29 | Fuel Strainer Assy, Taper Valve, Taper Valve Spring, Fuel Element, Lever, Strainer Cup, Retaining Ring, Spring |
| Fuel Pipe | 30-37 | Starter, Armature Assy, Bearing, Field Coil Assy, Brush, Brush Holder Assy, Brush Spring, Rear Cover |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| V-Belt Type | A-38 | p. 20 |
| Oil Filter Size/Type | 80X80L | p. 18 |
| Main Metal Undersize | 0.25 | p. 2 |
| Thrust Metal Oversize | 0.25 | p. 2 |
| O-Ring 1A P-32.0 Size | 32.0 | p. 4 |
| Piston W/Ring Oversize | 0.25 | p. 16 |
| Piston Ring Set Oversize | 0.25 | p. 16 |
| Metal Pin Undersize | 0.25 | p. 16 |
| V-Pulley Diameter | 110 | p. 20 |
| Spacer Thickness | 3.25 | p. 22 |
Yanmar 3TNE88-(E)B1 Common Problems This Manual Covers
Hard starting after fuel system work
Air leaks and contaminated fuel leave this engine cranking without firing, and fouled injection nozzles finish the job. The Fuel Injection Pipe section identifies the nozzle assemblies, holders, and injection lines you need to put clean, atomized fuel back in the cylinders.
Manual Section: Fuel Injection Pipe p. 28Overheating after hours of running
A slipping V-belt, a tired water pump, or a stuck thermo switch will cook this engine slowly. The Cooling Water System section lists the water pump assembly, V-belt, V-pulley, cooling fan, and thermo switch so you can replace the whole path in one order.
Manual Section: Cooling Water System p. 21Low oil pressure at operating temperature
Neglected oil and a clogged filter starve the mains and rod bearings long before the light tells you. The Lub. Oil System section covers the lube oil pump assembly, filter, dipstick, oil inlet pipe, and oil pressure switch.
Manual Section: Lub. Oil System p. 19Blow-by and worn rings
High crankcase pressure and oil consumption usually trace back to ring and bore wear. The Crankshaft & Piston section lists pistons with rings, ring sets, connecting rod assemblies, and bearings, including 0.25 oversize piston and ring options for a rebored block.
Manual Section: Crankshaft & Piston p. 17Weak compression from valve seat wear
Corroded or receded valve seats bleed off compression and make cold starts miserable. The Cylinder Head & Bonnet section identifies the head assembly, valves, valve guides, and rocker shaft assembly for a proper head rebuild.
Manual Section: Cylinder Head & Bonnet p. 9Surging or hunting at idle
Worn governor linkage and weights let engine speed wander under light load. The Governor section breaks out the case, links, governor weight assembly, control shaft assembly, and rack lever so you can replace the sloppy pieces instead of guessing.
Manual Section: Governor p. 26Fuel starvation from a clogged strainer
Dirty fuel plugs the strainer element and the engine loses power or dies under load. The Fuel Pipe section lists the fuel strainer assembly, element, cup, and taper valve to restore full flow from tank to pump.
Manual Section: Fuel Pipe p. 30Frequently Asked Questions
Which engine does this catalog cover?
It covers the Yanmar 3TNE88-(E)B1(B37-2B), a vertical multi cylinder T-series industrial diesel, under Yanmar publication number Y00B5902. Check that publication number and your engine's model designation against your data plate before ordering parts.
Is this a service manual with procedures and torque specs?
No, this is the factory parts catalog: 14 sections of part listings running from Cylinder Block through Fuel Pipe. Use it to identify assemblies and hardware for ordering, and pair it with a service manual when you need clearances and torque sequences.
Does it list rebuild sizes like oversize pistons and undersize bearings?
Yes. The catalog lists 0.25 oversize pistons with rings and ring sets, and 0.25 undersize main bearing metal, so you can order to match a machined block or ground crank. The Crankshaft & Piston section carries the piston, connecting rod, and bearing listings. p. 17
Can I identify the correct belt and filters from it?
Yes. The Cooling Water System section lists the A-38 V-belt alongside the water pump assembly, V-pulley, and fan, and the Lub. Oil System section covers the oil filter, dipstick, and oil pressure switch. p. 21
What exactly do I receive with this Yanmar 3TNE88-(E)B1(B37-2B) Parts Catalog?
A 37-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Am I free to print this Yanmar 3TNE88-(E)B1(B37-2B) Parts Catalog?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
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