Cummins Diesel Generator Set
Product Description
| MAIN SPECIFICATIONS OF GENERATOR SETS |
| GENSET MODEL |
C20 |
C30 |
C45 |
C68 |
C77 |
C91 |
C104 |
| Continuous output (KW/KVA) |
20 / 25 |
30 / 37.5 |
45 / 56 |
68 / 85 |
77 / 96 |
91 / 114 |
104 / 130 |
| Standby output (KW/KVA) |
22 / 27.5 |
33 / 41.25 |
50 / 63 |
75 / 94 |
85 / 106 |
100 / 125 |
114 / 143 |
| TECHNICAL DATA |
| DIESEL ENGINE MODEL |
4B3.9-G2 |
4BT3.9-G2 |
4BTA3.9-G2 |
6BT5.9-G2 |
6BT5.9-G2 |
6BTA5.9-G2 |
6BTAA5.9-G2 |
| Engine Characters |
Water-cooled, in line, 4-stroke, direct injection, Wet cylinder liner, 1500rpm (at 50Hz)/1800 rpm (at 60Hz) |
| Constant output (KW) |
24 |
36 |
50 |
92 |
92 |
110 |
120 |
| Standby output (KW) |
27 |
40 |
55 |
100 |
100 |
120 |
132 |
| Aspiration |
Natural |
Turbo charged |
Turbo&Aftercooled |
Turbo charged |
Turbo charged |
Turbo&Aftercooled |
Turbo&Aftercooled |
| Bore(mm)×Stroke(mm) |
102×120 |
102×120 |
102×120 |
102×120 |
102×120 |
102×120 |
102×120 |
| Cubic Capacity(Liters) |
3.91 |
3.91 |
3.91 |
5.9 |
5.9 |
5.9 |
5.9 |
| Piston Speed(m/s) |
|
|
|
|
|
|
|
| Compression Ratio |
16.5:1 |
16.5:1 |
16.5:1 |
17.5:1 |
17.5:1 |
17.5:1 |
17.5:1 |
| Cooling System Volume(L) |
8 |
8 |
8 |
11 |
11 |
31 |
17 |
| Max. Water Temperature |
100℃ |
100℃ |
100℃ |
100℃ |
100℃ |
100℃ |
100℃ |
| Speed characteristics |
The speed stability bandwidth ≤+0.25%. The steady governing rate ≤1% |
| Fuel Consumption |
≤215g/kW.h |
≤215g/kW.h |
≤215g/kW.h |
≤215g/kW.h |
≤215g/kW.h |
≤220g/kW.h |
≤220g/kW.h |
| Lube Consumption (prime) |
≤1.36g/kW.h |
≤1.36g/kW.h |
≤1.36g/kW.h |
≤1.36g/kW.h |
≤1.36g/kW.h |
≤1.36g/kW.h |
≤1.36g/kW.h |
| Fan Cooling Air Flow(m³/ h) |
6790 |
6790 |
6790 |
7470 |
7470 |
7470 |
7470 |
| Intake Air Flow(I/s) |
52 |
52 |
52 |
94 |
94 |
N/A |
N/A |
| Exhaust Gas Flow(m³/ h) |
572 |
601 |
612 |
840 |
1020 |
1302 |
1352 |
| Exhaust Temperature(℃) |
480 |
492 |
502 |
510 |
576 |
524 |
541 |
| Exhaust Back Pressure |
10kPa(Maximum) |
10kPa(Maximum) |
10kPa(Maximum) |
10kPa(Maximum) |
10kPa(Maximum) |
10kPa(Maximum) |
10kPa(Maximum) |
| ALTERNATOR MODEL |
With Stamford, Leroy Somer, Marathon or other branded alternators etc. |
| Continuous Output (KW/KVA) |
22 / 27.5 |
30 / 37.5 |
48 / 60 |
68 / 85 |
80 / 100 |
91 / 114 |
112 / 140 |
| Power Efficiency |
81% |
90% |
88.6% |
90.2% |
90.4% |
90.8% |
91.7% |
| Voltage Regulation |
±1.0% with 4% engine governing |
|
|
| Waveform Distortion |
No lode ≤1.5% and non-disttorting balanced linear load ≤5% |
|
|
| THF / TIF |
＜2% / ＜50 |
＜2% / ＜50 |
＜2% / ＜50 |
＜2% / ＜50 |
＜2% / ＜50 |
＜2% / ＜50 |
＜2% / ＜50 |
| Fan Cooling Air Flow(I/s) |
216 |
216 |
216 |
514 |
514 |
514 |
514 |
| dimensions (L×W×H) (mm) |
1610×650×1340 |
1610×650×1340 |
1630×650×1460 |
2070×750×1460 |
2190×750×1460 |
2330×750×1460 |
2330×750×1460 |
| Net Weight (kg) |
950 |
1050 |
1110 |
1370 |
1400 |
1500 |
1500 |
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