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Komatsu 4D98 Series - Specifications

Komatsu 4D98 Series
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f. General
1.2 Specifications
(1) 4TNE94
Engine name 1 Unit 1
4TNE94
I
Engine specification class
I - I CL I
VM
I
Tfle
I - I
Vertical, in-line, 4-cycle, water-cooled diesel
engine
Combustion chamber
I - I
Direct injection
I
Number of cylinders
Cylinder bore x stroke
4
mm xmm
94x100
Displacement
Ie I
2.776
I
Continuous
rating
Revolving speed
output
rpm
1500
1800
26.1 31.3
(35.0) (42.0)
Rated output Revolving speed
output
Fuel injection timing (FID, bTDC)
rpm
;,
deg
1500 1800 2000 2200 2400 2500
29.1 (Z) (Z) (Z) 41.6 43.0
(39.0)
(55.8) (57.7)
10-12
Fuel injection pressure MPa
(kof/cmY
21.57- 22.55
(220-230)
I
Ignition order
I- I
l-3-4-2 (No. 1 cylinder on flywheel side)
I
Power take off
Direction of rotation
Flywheel
Counterclockwise (viewed from flvwheel)
Cooling system
I- I.
Radiator
I
Lubrication system
I- I
Forced lubrication with trochoid pump
I
Engine dimensions
l-2

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