Miller Big Blue 450X Duo CST, Owner'S Manual

Page: 23 / 64

Complete Parts List available at www.MillerWelds.com
OM-247969 Page 19
SECTION 4 − SPECIFICATIONS
4-1. Serial Number And Rating Label Locations
The serial number and rating information for this product is located on the front. Use rating label to determine input power requirements and/or rated
output. For future reference, write serial number in space provided on back cover of this manual.
4-2. Weld, Power, And Engine Specifications
This equipment will deliver rated output at an ambient air temperature up to 104 F (40 C).
Welding Output Rated Output Welding Amperage Range Maximum Open-Circuit Voltage
Stick (SMAW)
TIG (GTAW)
Individual CST:
280 A @ 31.2 VDC, 35% Duty Cycle
5-280 A 77 VDC 175 A @ 27 VDC, 100% Duty Cycle
Combined Rating:
350A @ 27 VDC, 100% Duty Cycle
Auxiliary Power Rating Sound Level Engine
Fuel
Capacity
Single-Phase, 12 kVA/kW Peak
10 kVA/kW, Continuous
120/240 V AC, 60 Hz
Three − Phase
12 kVA/kW, 240 V AC, 60 Hz
71 dB (96 Lwa) at 23 ft (7 m),
Full Load
Mitsubishi S4L2 Water − Cooled
Four − Cylinder Diesel Engine
24.7 HP (T4F)
11.5 gal
(43.5 L)
4-3. Dimensions, Weights, And Operating Angles
Dimensions
Front Panel End
B
A
F
E
H
G
C
D
!
Do not exceed tilt angles or engine could
be damaged or unit could tip.
!
Do not move or operate unit where it could
tip.
20
°
20
°
30
°
30
°
907 473 − 7
Height
32 in. (813 mm)
35.75 in. (908 mm)
(to top of lift eye)
Width
26.25 in. (667 mm)
(mtg. brackets turned in)
28.75 in. (730 mm)
(mtg. brackets turned out)
Depth 56 in. (1422 mm)
A 56 in. (1422 mm)
B 54 in. (1372 mm)
C 52 in. (1321 mm)
D 2 in. (51 mm)
E 26 in. (660 mm)
F 7/8 in. (22 mm)
G 27.75 in. (705 mm)
H
9/16 in. (14 mm) Dia.
4 Holes
Weight
No fuel: 1064 lb (483 kg)
w/ fuel: 1159 lb (526 kg)
Lifting Eye Weight Rating:
2000 lb (907 kg) Maximum
For information on specifications and performance data pertaining to standard CST units operating individually, see Miller Owner’s Manual
OM-217655. Use this Owner’s Manual in conjunction with OM-217655 for operation, maintenance, and troubleshooting.