Milton CAT G40LG 40kw_50kVA Spec Sheet User Manual
Page 3
POWER RATINGS (kW)
STARTING CAPABILITIES (sKVA)
FUEL
COOLING
COMBUSTION AIR REQUIREMENTS
ENGINE
EXHAUST
Natural Gas
Propane Vapor
Single-Phase 120/240VAC @1.0pf
40
Amps: 167
40
Amps: 167
40
Amps: 139
40
Amps: 139
40
Amps: 120
40
Amps: 120
40
Amps: 60
40
Amps: 60
40
Amps: 48
40
Amps: 48
sKVA vs. Voltage Dip
480VAC
208/240VAC
Alternator
kW
10%
15%
20%
25%
30%
35%
10%
15%
20%
25%
30%
35%
Standard
40
27
41
54
68
81
95
20
31
41
51
61
71
Upsize 1
50
34
52
69
86
103
120
26
39
52
65
77
90
Upsize 2
60
42
63
83
104
125
146
32
47
62
78
94
110
Fuel Consumption Rates*
Natural Gas
Propane Vapor
Percent Load
ft
3
/hr
m
3
/hr
Percent Load
ft
3
/hr
m
3
/hr
25%
275
7.8
25%
140
4.0
50%
396
11.2
50%
178
5.1
75%
517
14.6
75%
217
6.2
100%
637
18.0
100%
256
7.2
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
STANDBY
Air Flow (inlet air combustion and radiator)
ft
3
/min (m
3
/min)
2460 (69.7)
System Coolant Capacity
Gal (Liters)
3 (11.36)
Heat Rejection to Coolant
BTU/hr
165,000
Max. Operating Air Temp on Radiator
ºF (ºC)
122 (50)
Max. Ambient Temperature
ºF (ºC)
104 (40)
Maximum Radiator Backpressure
in H
2
O
1.50
STANDBY
Flow at Rated Power
cfm
95
STANDBY
Rated Engine Speed
rpm
1800
Horsepower at Rated kW**
hp
62
Piston Speed
ft/min
1251
BMEP
psi
83
** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD permitting purposes.
STANDBY
Exhaust Flow (Rated Output)
cfm (m
3
/min)
291(8.2)
Maximum Recommended Back Pressure
inHg
1.5
Exhaust Temp (Rated Output)
ºF (ºC)
960 (515)
Exhaust Outlet Size
in
3" OD
3 of 5
G40LG
operating data (60Hz)
G40LG 40kW
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Cat® Dealer for additional details.
All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.