SPECIFICATIONS
1-10
TNV Application Manual
4TNV98-Z
(R80-7A)
Note: This table is subject to change for performance improvement.
*1: Gross outputs are theoretical, calculated from cooling fan formula. These are for reference only.
Engine model
4TNV98-Z
Engine classification
CL
VM
1
Type
—
Vertical, 4-cycle water-cooled diesel engine
2
Combustion
system
—
Direct injection (DI)
3
No. of cylinders -
Bore
×
Stroke
n -
mm
×
mm
4 - 98×110
4
Displacement
3.318
5
Rated engine
speed
min
-1
1500
1800
2000
2100
2200
2300
2400
2500
Output
(Gross) *1
Cont.
rating
kW
31.2
37.2
Rated
output
kW
34.9
41.6
42.5
44.4
46.3
48.2
50.2
52.1
Output
(NET)
Cont.
rating
kW
30.9
36.8
Rated
output
kW
34.6
41.2
41.9
43.8
45.6
47.4
49.3
51.1
6
Maximum idling
speed
min
-1
±25
1600
1895
2180
2290
2400
2510
2590
2700
7
Specific fuel
consumption
g/kWh
≤
224
≤
2
31
8
Exhaust gas temp.
°C (°F)
≤
580
≤
600
≤
600
≤
610
≤
620
≤
630
≤
640
≤
650
9
Compression ratio
—
18.5
10
Diesel fuel injection
pressure
MPa
(kgf/cm
2
)
11 Main shaft side
—
Flywheel side
12 Rotation direction
—
Counterclockwise (Viewed from flywheel side)
13 Governor
—
Electronic governor (All-speed governor)
14 Aspiration
—
Natural aspiration
15 Cooling system
—
Liquid-Cooled With Radiator
16 Lubricating system
—
Forced lubrication with multi-stage trochoid pump
17 Starting system
—
Electric starting
18 Charging system
—
Alternator (12 VDC/40 A)
19 Starting aid device
—
Air heater (12 VDC/500 W)
20
Engine oil
pressure
Rated
speed
MPa
0.34±0.05 (3.5±0.5)
21
Oil pan
Full
10.2
capacity
Useful
4.5
22
Engine coolant
capacity
4.2 (Engine only)
23
Cooling fan type -
dia.
×
No. of blades
mm
Made by resin, Pusher, F Type -
φ
410(A!)×6
24
Crank V-pulley dia./
Fan V-pulley dia.
mm/mm
φ
130 /
φ
130
0
+10
21.6
0
+1.0
)
(220
00_Electronic_Control_System.book 10 ページ 2006年5月29日 月曜日 午後2時12分
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