Part of the Yanmar Parts Manuals.
A crankshaft ground 0.25 undersize is scrap the day you guess at the bearing set that goes back on it, and page 3 of this catalog lists the matching undersize main bearing for the 4TNV94L-NHZ by exact Yanmar part number. That is the job this book does across 22 pages, publication Y00W0720, covering the Yanmar 4TNV94L-NHZ (serial prefix E/#00185) along with the 4JH-DT, 4JH-DTZ, 4JH-DTZA, and 4JH-DTZY.
Sixteen bookmarked sections walk the engine from cylinder block to gasket set: gear housing, cylinder head and bonnet, camshaft and driving gear, crankshaft and piston, lube oil and cooling water systems, fuel injection pump, governor, injection valves, fuel line, starting motor, and generator.
Whether the engine is apart on a stand or you are chasing one weeping seal, you match the part in your hand to a number, order once, and get back to assembly.
What's Inside This Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 3 | Block Assy, Cylinder, Plug, Bush, Camshaft, Main Bearing Set, Bearing Assy, Thrust |
| Gear Housing | 4 | Housing Assy, Cover, G, Seal, Oil, Case, Gear, Pump Assy |
| Flywheel Housing & Oil Sump | 5 | Housing, Flywheel, GASKET.LIQUID, Sump Assy, Oil, Drain Plug, Seal Washer |
| Cylinder Head & Bonnet | 6-7 | Head Assy, Cylinder, Valve, Valve Spring, Rocker Arm, Bonnet Assy |
| Suction & Exhaust Manifold | 8 | Manifold, Air Intake, PACKING(INT.MANIFOLD, Exhaust, Gasket, Silencer, Heater, Air |
| Camshaft & Driving Gear | 9 | Camshaft Assy, Gear, Camshaft, Gear Assy, Idle, F.I.PUMP |
| Crankshaft & Piston | 10 | Crankshaft Comp, Gear, Crankshaft, Piston W/RING, Ring Set, Piston, Rod Assy, Connecting |
| Lub.Oil System | 11 | Dipstick, LUB.OIL, Filter, Pipe Assy, Lub. Oil, Switch, (0.5KG)L.O., Joint Bolt |
| Cooling Water System | 12 | Pump Assy, Water, Gasket, Cw-P, Pulley, V-Belt, Thermostat, Hose a Assy |
| Fuel Injection Pump | 13-14 | Pump Assy, F.INJECT, Piston, Damper Assy, Valve Assy, Dilevery, Timer Set |
| Governor | 15 | Packing, Case, Cover, Spring, Lever, Regulator |
| Fuel Injection Valve | 16 | Valve Assy, F.INJECT, Nozzle Assy, Holder Assy, Nozzle, Spring, Shim Pack |
| Fuel Line | 17 | Filter, Fuel Oil, Pipe Assy, Fuel, Protector, Fuel Pipe, Pump Assy, Fuel Feed |
| Starting Motor | 18 | Starter, Armature Assy, Coil Assy, Field, Pinion Assy, Clutch Assy, Switch Assy, Magnetic |
| Generator | 19 | Rotor Assy, Ball Bearing, Pulley, Bracket Assy, Rear, Ajuster, Belt |
| Gasket Set | 20-22 | Packing, Seal, Valve Stem, Protector, Nozzle, O-Ring, Flex Horn |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Oil Sump Drain Plug Thread Size | M22 | p. 5 |
| Plug size | 55 | p. 3 |
| Plug PT3/8 screw | PT3/8 | p. 3 |
| Main Bearing Undersize | 0.25 | p. 3 |
| Bearing type | #6205 | p. 4 |
| O-ring size | P20 | p. 4 |
| Drain Plug size | M22 | p. 5 |
