70 Series0 pages

Issued July 2013 • Index No. M/3.0

70 Series
Quick
Specs

Heavy Industrial
Applications

Constant-Speed
Wire Feeder

Processes

Heavy Manufacturing
Metal Fabrication
Construction
Light Manufacturing

Input Power 24 VAC, 10 A, 50/60 Hz

MIG (GMAW)
Flux-Cored (FCAW)
(Gas- and Self-Shielded)

Electrode Wire Diameter Capacity .023 – 5/64 in. (0.6 – 2.0 mm)
Wire Speed 50 – 780 IPM (1.3 –19.8 m/min.)
Weight Single Feeder: 58 lb. (26 kg) Dual Feeder: 87 lb. (39.5 kg)

Models:

Easy access on/off switch

S-74D
Model

S-74DX
Model

10-foot, 14-pin interconnecting cord for connecting to any
Miller 14-pin power source.
Trigger receptacle oriented in a downward position to reduce
potential damage.
Trigger hold reduces operator fatigue by allowing the operator to
make long welds without having to energize the trigger continuously.
Dual-wire feeders allow two different wire types to be available on
one feeder, avoiding downtime from changing spools and drive rolls.

For MPa Plus Feeders Only! XR-AlumaPro™ Plus and XR™-Pistol
Plus push-pull guns for aluminum. Comes in 15-, 25- and 35-foot
lengths for extended reach with trouble-free, reliable feeding. Gun is
available in either air- or water-cooled versions.

74S:
74D:
74DX:
74 MPa:

Standard, basic design
Digital meters
Deluxe — digital, full-feature
Digital, full-feature with
Alumination™ Technology

Models include Bernard®
Q400 MIG gun (two with D-74
models), .035/.045 drive rolls
and Centerfire™ contact tips!
For more options, visit
MillerWelds.com/equiptoweld.

S-74 MPa
Model

Posifeed™ Wire Drive Assembly Features
24 VDC high-torque, permanent-magnet motor.
Quick-change drive rolls.
Quick-release, calibrated drive-roll pressure adjustment arm allows
drive roll change without losing spring preload setting.
Four sealed ball bearing all-gear-driven drive-roll carriers for smooth,
positive and accurate wire feed with long uninterrupted service life.
Easy loading and threading of welding wire without having to release the
drive-roll pressure arm.
Solid-state speed control and brake circuit eliminates the need for
electrical/mechanical relays and increases service life.
Uses Miller standard 1-5/8 inch (41 mm) diameter drive rolls.
Quick-connect for all Miller guns.
Covered drive rolls — easy access, heavy-duty, molded composite cover
over drive assembly.
Floating positive drive systems provide trouble-free feeding on a variety
of wires.

Wire feeder is warranted for 3 years, parts and labor.

Miller Electric Mfg. Co.

Equipment Sales US and Canada

An ITW Company
1635 West Spencer Street
P.O. Box 1079
Appleton, WI 54912-1079 USA

Phone: 866-931-9730
FAX: 800-637-2315
International Phone: 920-735-4554
International FAX: 920-735-4125

MillerWelds.com