4
OPM-109
REV B
SPECIFICATIONS
DR20I4
Generator
Wattage
20,000
20,000
20,000
20,000
Volts
120/240
120/208
120/240
277/480
Phase
Single
Three
Three
Three
PF
1.0
.80
.80
.80
Amps
83
69
60
30
&%6L]H
90
75
60
30
+HUW]
60
60
60
60
Engine
Model
,VX]X/(/
Starting System
12 Volt
0XIÀHU
Standard
)XHO&RQVXPSWLRQIXOOORDG
1.8 Gal/Hr
Generator Testing Resistance
Note: Review the Stamford Newage nameplate on your generator
before selecting the correct information below.
Model
Stamford
PI144D1J
Winding Group
311
Resistances:
Rotor
0.657
Ohms
@22°C
Stator
0.377 Ohms Per Ph @ 22°C
Exciter Rotor
0.228 Ohms Per Ph @ 22°C
Exciter Stator
18.5 Ohms @ 22°C
Voltage Regulator
AS480
Model
Stamford
PI1144D
Winding Group
06
Resistances:
Rotor
0.657
Ohms
@22°C
Stator
0.377 Ohms Per Ph @ 22°C
Exciter Rotor
0.228 Ohms Per Ph @ 22°C
Exciter Stator
18.5 Ohms @ 22°C
Voltage Regulator
AS480
(QJLQH)OXLG6SHFL¿FDWLRQV
Fuel
ASTM D-975 -1D or 2D
EN590
or
equivalent
Oil
Type
SEE
LUBRICATION
SECTION
Oil Capacity
8.8 Quarts
Cooling System
50/50 mix
DR30I4
Generator
Wattage
29,000
30,000
30,000
30,000
Volts
120/240
120/208
120/240
277/480
Phase
Single
Three
Three
Three
PF
1.0
.80
.80
.80
Amps
120
104
90
45
&%6L]H
125
100
90
45
+HUW]
60
60
60
60
Engine
Model
,VX]X/(/
Starting System
12 Volt
0XIÀHU
Standard
)XHO&RQVXPSWLRQIXOOORDG
3.13 Gal/Hr
Generator Testing Resistance
Note: Review the Stamford Newage nameplate on your generator
before selecting the correct information below.
Model
Stamford
PI144H
Winding Group
311
Resistances:
Rotor
0.89
Ohms
@22°C
Stator
0.179 Ohms Per Ph @ 22°C
Exciter Rotor
0.21 Ohms Per Ph @ 22°C
Exciter Stator
22.9 Ohms @ 22°C
Voltage Regulator
AR480
Model
Stamford
PI1144D
Winding Group
06
Resistances:
Rotor
0.857
Ohms
@22°C
Stator
0.073 Ohms Per Ph @ 22°C
Exciter Rotor
0.201 Ohms Per Ph @ 22°C
Exciter Stator
20.3 Ohms @ 22°C
Voltage Regulator
AS480
(QJLQH)OXLG6SHFL¿FDWLRQV
Fuel
ASTM D-975 -1D or 2D
EN590
or
equivalent
Oil
Type
SEE
LUBRICATION
SECTION
Oil Capacity
8.5 Quarts
Cooling System
50/50 mix
