Komatsu 4D98 Series Shop Manual page 14

1. General
(2) 4TNE98
Engine name 1 Unit
I
4TNE98
Engine specification class
Type
Combustion chamber
CL
VM
Vertical, in-line, 4-cycle, water-cooled diesel
engine
Direct iniection
Number of cylinders
I - I
4
Cylinder bore x stroke /mm xmm j 98x110
Displacement e 3.319
Continuous Revolving speed
rpm
1500 1800
rating
output ;; 30.9 36.8
(41.4) (49.3)
Rated output Revolving speed
rpm
1500 1800 2000 ) 2200 / 2400 j 2500
Fuel injection timing (FID, bTDC) 1 deg
10-12
Fuel injection pressure 21.57- 22.55
(220-230)
Ignition order
I- I
l-34-2 (No. 1 cylinder on flywheel side)
Power take off
Direction of rotation
Flywheel
Counterclockwise (viewed from flvwheel)
Cooling system
I- I
Radiator
Lubrication system
I-
I
Forced lubrication with trochoid pump
Starting svstem Electric
Applicable fuel
Applicable lubricant
Diesel oil-IS0 8217 DMA, BS 2869 Al or A2
(cetane No. 45 min.)
API grade class CD
Battery capacity / V-AH
I
12-64 (5HR) or above
Lubricant capacity Total
e
10.2
oil pan)
Effective
e
4.5
Cooling water capacity (engine only) / 4.2
Engine dimensions Overall length mm
720
Overall width mm 508
Overall height mm 689
Engine weight (dry)
kg
223
1-3