QSK38-G5型号康明斯柴油发动机技术参数表（英文）
QSK38-G5型号康明斯柴油发动机技术参数表（英文）
Compression Ratio: 15:1 Displacement: 2,301 in3 (37.7 L)
Fuel System: Cummins MCRS Aspiration: Turbocharged and Aftercooled
Emission Certification: U.S. EPA Tier 2, CARB Tier 2 (without Centinel)
General Engine Data
Type Four cycle; Vee; 12 Cylinder
Aspiration Turbocharged and Aftercoole
Bore x Stroke 6.25 x 6.25 in
Displacement 2,301 in3
159 x 159 mm
37.7 L
Compression Ratio 15:1
Approximate engine weight (wet) 9,039 lbm
Moment of Inertia of Rotating Components
with FW6074 Flywheel 93 in-lbf-sec**2
with FW6077 Flywheel 184 in-lbf-sec**2
Center of Gravity
4,100 kg
10.4 kg-m**2
20.8 kg-m**2
|
from rear face of block |
31.54 |
in |
801 |
mm |
|
above crankshaft centerline |
6.8 |
in |
173 |
mm |
|
Maximum Static Loading at Rear Main Bearing |
2,000 |
lbm |
907 |
kg |
Engine Mounting
Maximum Bending Moment at Rear Face of Block 4,500 lb-ft
Exhaust System
Maximum back pressure at Standby Power 2 in-Hg
Air Induction System
Maximum Intake Air Restriction
6,101 N-m
7 kPa
|
with Dirty Filter Element |
25 |
in H2O |
6.2 |
kPa |
|
with Normal Duty Air Cleaner and Clean Filter Element |
15 |
in H2O |
3.7 |
kPa |
|
Cooling System |
|
|
|
|
|
Coolant Capacity |
|
|
|
|
|
Engine |
112 |
quarts |
106 |
L |
|
Aftercoolers |
24 |
quarts |
22.7 |
L |
|
Minimum pressure cap rating at sea level |
11 |
psi |
76 |
kPa |
|
Maximum static head of coolant above crankshaft centerline |
60 |
ft |
18.3 |
m |
|
Jacket Water Circuit Requirements |
|
|
|
|
|
Maximum Coolant Friction Head External to Engine - 1,500/1,800 RPM |
10 / 10 |
psi |
68.9 / 68.9 |
kPa |
|
Maximum Coolant Temperature (Max Top Tank Temp) for standby/prime power |
220 / 212 |
deg F |
104 / 100 |
deg C |
|
Thermostat (Modulating) Range |
180 - 202 |
deg F |
82 - 94 |
deg C |
|
Aftercooler Circuit Requirements |
|
|
|
|
|
Maximum Coolant Friction Head External to Engine - 1,500/1,800 RPM |
10 / 10 |
psi |
68.9 / 68.9 |
kPa |
|
Maximum coolant temperature into the aftercooler @ 25C (77F) ambient |
120 |
deg F |
49 |
deg C |
|
Maximum coolant temperature into aftercooler @ Limiting Ambient conditions for standby/prime power |
170 / 160 |
deg F |
77 / 71 |
deg C |
|
Thermostat (Modulating) Range |
115 - 135 |
deg F |
46 - 57 |
deg C |
Lubrication System
Oil Pressure
|
@ Minimum low idle |
20 |
psi |
138 kPa |
|
@ Governed speed |
50 - 70 |
psi |
344.7 - 482.6 kPa |
|
Maximum Oil Temperature |
248 |
deg F |
120 deg C |
|
Oil Capacity with OP Oil Pan: Low-High |
37 - 44 |
gal |
140.1 - 166.6 L |
|
Total System Capacity (with Combo Filter) |
45 |
gal |
170.3 L |
Fuel System
|
Type Injection System |
|
|
Cummins MCRS |
|
Maximum fuel supply restriction at fuel pump inlet |
|
|
|
|
with clean fuel filter element(s) at maximum fuel flow |
5 |
in-Hg |
16.9 kPa |
|
with dirty fuel filter element(s) at maximum fuel flow |
10 |
in-Hg |
34 kPa |
|
Maximum fuel inlet temperature |
160 |
deg F |
71 deg C |
|
Maximum supply fuel flow |
185 |
gal/hr |
700 L/hr |
|
Maximum return fuel flow |
99 |
gal/hr |
375 L/hr |
Electrical System
System voltage
Minimum Recommended Battery Capacity
cold soak at 10 deg C (50 deg F) and above cold soak at 0 to 10 deg C (32 to 50 deg F)
24 V
cold soak at -18 to 0 deg C (0 to 32 deg F) 1,800 CCA Maximum starting circuit resistance 0.002 Ohm
Cold start capability
Unaided Cold Start
Minimum cranking speed 150 RPM
Minimum ambient temperature for unaided cold start 45 deg F
Performance Data
deg C
All data is based on: • Engine operating with fuel system, water pump, lubricating oil pump, air cleaner and exhaust silencer; not included are battery charging alternator, fan, and optional driven components.
Engine operating with fuel corresponding to grade No. 2-D per ASTM D975.
ISO 3046, Part 1, Standard Reference Conditions of:
|
Barometric Pressure : |
100 kPa (29.53 in Hg) |
Air Temperature: |
25 °C (77 °F) |
|
Altitude: |
110 m (361 ft) |
Relative Humidity: |
30% |
Estimated Free Field Sound Pressure Level of a Typical Generator Set; Excludes Exhaust Noise; at Rated Load and 7.5 m (24.6 ft);
1,500/1,800 RPM 99.6 / 102.2 dBa
Exhaust Noise at Rated 1 m Horizontally From Centerline of Exhaust Pipe Outlet
Upwards at 45%; 1,500/1,800 RPM 96.9 / 95.6 dBa
Governed Engine Speed Engine Idle Speed
Gross Engine Power Output Brake Mean Effective Pressure Piston Speed
Friction Horsepower
RPM RPM
hp (kW) psi (kPa) ft/min (m/s)
hp (kW)
Engine Jacket Water Flow at Stated Friction Head external to Engine
2.5 psi-2.5 psi Friction Head
Maximum Friction Head Engine Data
Intake Air Flow
Exhaust Gas Temp - Dry Stack Exhaust Gas Flow
Air to Fuel ratio
Heat Rejection to Ambient
Heat Rejection to Jacket Coolant Heat Rejection to Exhaust
Heat Rejection to Fuel*
|
Standby Power |
Prime Power |
||
|
1,800 |
1,500 |
1,800 |
1,500 |
|
700 - 900 |
700 - 900 |
700 - 900 |
700 - 900 |
|
1,716 (1,280) |
1,641 (1,224) |
1,425 (1,063) |
1,484 (1,107) |
|
327 (2,255) |
375 (2,586) |
272 (1,875) |
339 (2,337) |
|
1,870 (9.5) |
1,555 (7.9) |
1,870 (9.5) |
1,555 (7.9) |
|
163 (122) |
115 (86) |
163 (122) |
115 (86) |
|
336 (1,272) |
274 (1,037) |
336 (1,272) |
274 (1,037) |
|
284 (1,075) |
209 (791) |
284 (1,075) |
209 (791) |
|
4,321 (2,039) |
3,380 (1,595) |
3,894 (1,838) |
3,229 (1,524) |
|
748 (398) |
907 (486) |
708 (376) |
901 (483) |
|
9,307 (4,392) |
8,289 (3,912) |
8,202 (3,871) |
7,926 (3,741) |
|
31.6:1 |
26:1 |
33.9:1 |
27:1 |
|
7,150 (126) |
6,810 (120) |
6,020 (106) |
6,265 (110) |
|
25,783 (453) |
25,381 (446) |
21,804 (383) |
23,893 (420) |
|
48,545 (854) |
50,119 (881) |
42,445 (746) |
46,851 (824) |
|
414 (7.3) |
379 (6.7) |
414 (7.3) |
379 (6.7) |
|
24,467 (430) |
18,186 (320) |
19,509 (343) |
16,461 (289) |
|
168 (636) |
137 (519) |
168 (636) |
137 (519) |
|
150 (568) |
116 (439) |
150 (568) |
116 (439) |
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