Yanmar 3TNV Series, Service Manual

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1. General
(9) 4TNV98
Engine name Unit 4TNV98
Engine specification class - CL VM
Type - Vertical, in-line, 4-cycle, water-cooled diesel engine
Combustion chamber - Direct injection
Number of cylinders - 4
Cylinder bore stroke mm mm 98 110
Displacement L 3.318
Revolving
speed
Min
-1
1500 1800 -
Continuous
rating
Output
kW
(hp)
30.9
(42.0)
36.8
(50.0)
-
Revolving
speed
Min
-1
1500 1800 2000 2200 2400 2500
Rated output
Output
kW
(hp)
34.6
(47.0
41.2
(56.0)
41.9
(57.0)
45.6
(62.0)
49.3
(67.0)
51.1
(69.5)
Max. no-load speed ( 25) min
-1
1600 1895 2180 2400 2590 2700
Ignition order - 1-3-4-2-1(No.1 cylinder on flywheel side)
Power take off - Flywheel
Direction of rotation - Counterclockwise (viewed from flywheel)
Cooling system - Radiator
Lubrication system - Forced lubrication with trochoid pump
Starting system - Electric
Applicable fuel -
Diesel oil-ISO 8217 DMA, BS 2869 A1 or A2
(Cetane No.45 min.)
Applicable lubricant - API grade class CD or CF
Total L 10.2
Lubricant capacity
(oil pan) *
Effective L 4.5
Coolant water capacity
(engine only)
L 4.2
Overall
length
mm 719
Overall
width
mm 498
Engine dimensions **
(with flywheel housing)
Overall
height
mm 717
Engine mass (dry) **
(with flywheel housing)
kg
248
(equivalent to SAE#3)
235
(equivalent to SAE#4)
Cooling fan (std.) mm 410 mm O/D, 6 blades pusher type
Crankshaft V pulley diameter &
Fun V pulley diameter (std.)
mm 130 130
*
Engine oil capacity may differ from the above depending on an engine installed on a machine unit.
** Engine mass and dimensions without radiator
10