Section 4 − Specifications; Weld, Power, And Engine Specifications; Dimensions, Weights, And Operating Angles - Miller Electric Big 40 CAT Owner's Manual

4-1. Weld, Power, And Engine Specifications

Welding Weld Output
Mode Range
45 − 500 A
(CC Models)
CC/DC
15 − 500 A
(CC/CV Models)
CV/DC
(CC/CV
14 − 40 V
Models
Only)

4-2. Dimensions, Weights, And Operating Angles

Dimensions
60 in (1524 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 65-1/8 in (1654 mm)
A 65-1/8 in (1654 mm)
B* 56 in (1422 mm)
C* 46-1/2 in (1181)
D* 9-5/8 in (244 mm)
E 27-1/2 in (699 mm)
F 1 in (25 mm)
G 29-1/2 in (743 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: 1545 lb (701 kg)
w/fuel: 1720 lb (780 kg)
SECTION 4 − SPECIFICATIONS
Maximum
Rated Welding Open-
Output Circuit
Voltage
300 A, 40 Volts DC,
100% Duty Cycle
400 A, 40 Volts DC, 400 A, 40 Volts DC,
60% Duty Cycle
500 A, 30 Volts DC,
40% Duty Cycle
A
B B
C C
D
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Generator Power
Rating
Standard
Single-Phase,
95
4 kVA/kW, 34/17 A,
120/240 V AC,
50/60 Hz
Three-Phase Generator Three-Phase Generator
Option*
Single-Phase/Three-Phase,
12/15 kVA/kW, 50/36A,
56
120/240 VAC, 60 Hz
*In Addition To Standard
4 kVA/kW Generator Power
G G
Y Do not exceed tilt angles or engine could
Y Do not move or operate unit where it could Y Do not move or operate unit where it could
H
20
20 20
Front Panel End Front Panel End
F
E E
802 161-A
Engine
Caterpillar 3024C
Water-Cooled,
Four-Cylinder,
32.8 HP Diesel Engine
be damaged or unit could tip.
tip.
OM-4406 Page 15
Fuel
Capacity
25 gal 25 gal
(95 L)
30 30
30 30