Milton CAT D125-6 125 kW Spec Sheet - Manual (Page 5)

LEHE5521-01
5
S T A N D B Y 1 2 5 - 1 5 0 k W
P R I M E 1 1 4 - 1 3 5 k W
6 0 H z
D125-6 (3-Phase)
Materials and specifications are subject to change without notice.
Generator Set Technical Data – 1800 rpm/60 Hz Standby Prime
Power Rating kW kVA 125 156.3 114 142.5
Lubricating System
Type: full pressure
Oil filter: spin-on, full flow
Oil cooler: watercooled
Oil type required: API CH4/CI4
Total oil capacity
L U.S. gal 16.5 4.4 16.5 4.4
Oil pan L U.S. gal 15.5 4.1 15.5 4.1
Fuel System
Generator set fuel consumption
100% load
L/hr gal/hr 40.6 10.7 36.0 9.5
75% load L/hr gal/hr 31.6 8.3 30.0 7.9
50% load L/hr gal/hr 24.5 6.5 23.2 6.1
Engine Electrical System
Voltage/ground: 12/negative
Battery charging generator ampere rating
amps 100 100
Cooling System
Water pump type: centrifugal
Radiator system capacity incl. engine
L U.S. gal 21.0 5.5 21.0 5.5
Maximum coolant static head m H
2
O ft H
2
O 8.0 26.0 8.0 26.0
Coolant flow rate L/hr U.S. gal/hr 10 200 2,693 10 200 2,693
Minimum temperature to engine °C °F 85 185 85 185
Temperature rise across engine °C °F 7.9 14.2 7.9 14.2
Heat rejected to coolant at rated power kW Btu/min 74.9 4,262 69.8 3,971
Total heat radiated to room at rated power kW Btu/min 13.0 740 12.1 688
Radiator fan load kW hp 8.0 10.7 8.0 10.7
Air Requirements
Combustion air flow m 3 /min cfm 12.6 445 12.3 434
Maximum air cleaner restriction kPa in H
2
O 5 20 5 20
Radiator cooling air (zero restriction) m 3 /min cfm 327 11,548 327 11,548
Generator cooling air m 3 /min cfm 26.4 923 26.4 923
Allowable air flow restriction (after radiator) kPa in H
2
O 0.12 0.50 0.12 0.50
Cooling air flow (@ rated speed)
Rate with restriction m 3 /min cfm 317 11,195 317 11,195
Exhaust System
Maximum allowable backpressure kPa in Hg 15 4.4 15 4.4
Exhaust flow at rated kW m 3 /min cfm 29.7 1,049 28.6 1,010
Exhaust temperature at rated kW –
Dry exhaust °C °F 437 819 427 801
Generator Set Noise Rating*
(without attenuation) at 1 m (3 ft) dB(A) 97 97
277/480V 266/460V 127/220V
120/240V
347/600V Generator Technical Data
120/208V
Motor Starting Capability: (kVA)
(30% voltage dip) Self excited 360 335 311 283 N/A
PM excited** 469 437 406 370 437
AREP excited 469 437 406 370 437
Full Load Efficiencies: Standby 92.7 92.6 92.5 92.3 92.6
Prime 92.8 92.8 92.7 92.5 92.8
Reactances (per unit): X
d
2.74 2.99 3.27 3.65 2.99
X'
d
0.10 0.10 0.11 0.13 0.10
X"
d
0.057 0.062 0.068 0.076 0.062
X
q
1.65 1.79 1.96 2.19 1.79
X"
q
0.068 0.074 0.080 0.090 0.074
X
2
0.063 0.068 0.075 0.083 0.068
X
0
0.004 0.005 0.005 0.006 0.005
Time Constants:
t'
d
t"
d
t'
do
t
a
100 ms 10 ms 2865 ms 15 ms
* dB(A) levels are for guidance only
** With PMG Excited Option AVR12
Reactances
shown are
applicable to the
standby rating.