Building off the proven TNE design, this engine made by YANMAR has achieved superior exhaust emissions by improving the combustion chamber and fuel injection equipment design. Engines are compliant with 2008 EPA Tier 3 and EU stage III A exhaust emissions regulations.
The TNV engines now proudly take up the running of YANMAR’s premium small industrial diesel. They offer even more enhanced durability due to better block cooling, a stiffer crank and pistons, finer tolerance in the journal, and more. CAE analysis has brought lower vibrations and higher strength to the mounting structure for even better reliability in heavy-duty jobs.
Application: Small tractors, air compressors, mini excavators, skid-steer loaders, ride-on mowers, and a wide range of other applications in the agricultural, lawn and garden, construction, and materials handling industries.
Yanmar Industrial Diesel Engine 4TNV98 water Cooled Diesel Engine Specification
4 Cylinder, 4-Cycle, Liquid-Cooled Diesel Engine
Rotation (from flywheel end)
529 lbs (240 kg)
Number of Cylinders
various speed, 2200RPM
Fuel Delivery and Economy
A newly designed, in-line ML type fuel injector pump is utilized to assure more precise fuel delivery and control. The result is reduced emissions, improved performance over a wide range of applications and good fuel economy which assures of YANMAR’s reputation for superior starting characteristics continues.
Noise Level Reduction
original CAE techniques have optimized the stiffness, minimized transformation, and reduced radiant noise in the cylinder block. Gear noise reduction is achieved through an improved gear tooth profile resulting in less mechanical noise.
6.7 L Capacity Deep Oil Pan
Trochoid Oil Pump
Paper Element Oil Filter
Oil Pressure Switch
Crankcase Breather, Closed Type
12V, 40 Amp Alternator
12V Starter Motor
12V Super Quick Glow Plugs
Preheat Timer, 15 second (shipped loose)
Stop Solenoid Timer, 1 second (shipped loose)
Distributor-Type MP2 Fuel Injection Pump
12V Electric Fuel Pump (shipped loose)
Paper Element Fuel Filter
Water Separator (shipped loose)
Stop Solenoid, Integral to Fuel Injection Pump
Water Pump, Belt Driven
7-Blade, 360mm Cooling Fan—Puller Type
160ºF (71ºC) Thermostat
Flywheel, SAE 7 1/2”
Flywheel Housing, SAE #5 t=124
Aux Drive, 9-tooth w/SAE 2 bolt “A” Flange
Yanmar Industrial Diesel Engine 4TNV98 water Cooled Diesel Engine Photo Reference