Section 4 − Specifications; Serial Number And Rating Label Locations; Weld, Power, And Engine Specifications; Dimensions, Weights, And Operating Angles - Miller Big Blue 800 DUO PRO Owner's Manual

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

Weld
Welding
Output Welding
Mode
Range
20 − 400 A
Dual
Dual Operator:
Operator
CC/DC
36 Volts DC,
40 − 800 A
100% Duty Cycle
Single
Operator
Single Operator:
38 Volts DC,
100% Duty Cycle
CV/DC 14 − 40 V
* With Low OCV Voltage Reducing Device (VRD) switch enabled, open−circuit voltage is 13 to 15 volts DC until arc initiation for Stick Welding.

4-3. Dimensions, Weights, And Operating Angles

Dimensions
53.75 in. (1365 mm)
Height
(to top of exhaust)
28-1/2 in. (724 mm)
(mtg. brackets turned in)
Width
30-3/4 in. (781 mm)
(mtg. brackets turned out)
Depth 69.5 in. (1765 mm)
A 69.5 in. (1765 mm)
B* 57.9 in. (1470 mm)
C* 46.375 in. (1178 mm)
D* 11.5625 in. (294 mm)
E 27-1/2 in. (699 mm)
F 1 in. (25 mm)
G 29-13/16 in. (757 mm)
9/16 in. (14 mm) Dia.
H
4 Holes
* With mounting brackets in center
position. Dimensions vary with
location of mounting brackets.
Weight
No fuel: 1869 lb (848 kg )
W/fuel: 2034 lb (923 kg)
Lifting Eye Weight Rating:
2500 lb (1134 kg) Maximum

4-4. Environmental Specifications

IP Rating
This equipment is designed for outdoor use. It may be stored, but is
not intended to be used outside during precipitation unless sheltered.
OM-262 752 Page 18
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Complete Parts List available at www.MillerWelds.com
SECTION 4 − SPECIFICATIONS
Maximum
Rated
Open-Circuit
Voltage
Output
(Nominal)
400 A,
85*
800 A,
85
A
B C
D
IP23S
Generator Power Rating
Independent of Weld Output
Single-Phase,
4 kVA/kW, 34/17 A,
120/240 V AC, 50/60 Hz
3-Phase Generator
(In Addition To Standard
4 kVA/kW Generator Power)
Single-Phase/
Three-Phase,12/20 kVA/kW,
50/48 A, 120/240 VAC,
50/60 Hz
G
!
!
H
20
20
F
E
802 161-A
Operating Temperature Range
−40 to 104°F (−40 to +40°C)
Engine
Deutz TD2.9L4
Liquid-Cooled,
Four-Cylinder,
Turbo-Charged
65.7 HP Diesel Engine
Tier 4 Final Compliant
Do not exceed tilt angles or engine could
be damaged or unit could tip.
Do not move or operate unit where it could
tip.
°
°
Fuel Tank
Capacity
25 gal
(95 L)
°
30
°
30
907 587−1