Section 4 − Specifications; Weld, Power, And Engine Specifications; Dimensions, Weights, And Operating Angles - Miller Electric Big Blue 300 Owner's Manual

4-1. Weld, Power, And Engine Specifications

Welding Weld Output
Mode Range
20 − 410 A 20 410 A
CC/DC CC/DC
(CC Models)
CV/DC
(CC/CV
14 − 40 V
Models
Only)

4-2. Dimensions, Weights, And Operating Angles

Dimensions
32 in (813 mm)
35-3/4 in (908 mm)
Height
(to top of lift eye)
26-1/4 in (667 mm)
(mtg. brackets turned in)
Width
28-3/4 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 in (1321 mm)
D 2 in (51 mm)
E 26 in (660 mm)
F 7/8 in (22 mm)
G 27-3/4 in (705 mm)
9/16 in (14 mm) Dia.
H
4 Holes
Weight
No fuel: 1100 lb (499 kg)
w/ fuel: 1199 lb (544 kg)
Lifting Eye Weight Rating:
1500 lb (680 Kg) Maximum
SECTION 4 − SPECIFICATIONS
Maximum
Rated Welding Open-
Output Circuit
Voltage
400 A, 23 Volts DC,
40% Duty Cycle
300 A, 32 Volts DC 300 A, 32 Volts DC
60% Duty Cycle
250 A, 30 Volts DC
100% Duty cycle
400 A, 23 Volts DC,
30% Duty Cycle
300 A, 29 Volts DC
60% Duty Cycle
250 A, 26.5 Volts DC
100% Duty cycle
A A
B B C C
D D
Generator Power
Rating
Single-Phase,
10 kVA/kW, 84/42 A, 10 kVA/kW, 84/42 A,
65 65
120/240 V AC,
60 Hz
G
!
!
20 20
H
20
Front Panel End
F F
E
Engine
Perkins
Perkins 403C-15
Water-Cooled, Wat C l d
Three-Cylinder,
21.7 HP Diesel Engine
Do not exceed tilt angles or engine could
be damaged or unit could tip.
Do not move or operate unit where it p
could tip. could tip
° °
°
OM-4433 Page 15
Fuel
Capacity
11.5 gal 11.5 gal
(43.5 L)
°
30
°
30