Stock number
300938
Miller SubArc feeder unit
SubArc Wire Drive 400 Digital Low Voltage
Standard-speed right-angle low-voltage wire drive assembly with a 4-foot input power cord for Miller SubArc Digital systems.
Stock 30093838 VDCStandard-speedWire drive / feeder
Input power
38 VDC
Rating
1/5 hp, 85 rpm
Wire feed speed
30-400 ipm (0.8-10.2 m/min)
Wire diameter
1/16-5/32 in. (1.6-4.0 mm)
Net weight
26 lb (11.8 kg)
Feeder Specs
| Stock number | Input power | Rating | Wire feed speed | Wire diameter capacity | Net weight |
|---|---|---|---|---|---|
| 300938 | 38 VDC | 1/5 hp, 85 rpm | 30-400 ipm (0.8-10.2 m/min) | 1/16-5/32 in. (1.6-4.0 mm) | 26 lb (11.8 kg) |
Connected SubArc Path
SubArc Digital Series
Use the feeder with compatible Miller SubArc Digital power sources and control components.
View power sourcesSubArc Components
Match the feeder to interface controls, remote pendant, motor control, control cables, and motor extension cables.
View componentsSubArc 3-Wheel Tractor
The catalog lists Wire Drive 400 in the 3-Wheel Tractor package path.
View tractorSubArc Portable Systems
The catalog lists Wire Drive 400 Digital Low Voltage in the portable system package path.
View portable systemsTorches & Accessories
Find OBT torches, flux hopper, contact tips, drive rolls, wire reel, straighteners, and manual slide.
View accessoriesFind My Part
Search by SubArc feeder, stock number, wire size, cable, contact tip, or drive roll.
Search partsAccessory Path
| Accessory type | Where to verify |
|---|---|
| Motor extension cables | SubArc Components |
| Drive rolls | SubArc Torches & Accessories |
| Wire straighteners | SubArc Torches & Accessories |
| Manual single slide | SubArc Torches & Accessories |
Miller Catalog Accessories
These accessories are placed here only when the Miller catalog names this machine, torch, feeder, or family path. Verify plug style, voltage, package, and serial-specific details before ordering.
| Part | Accessory | Catalog fitment | Source / path |
|---|---|---|---|
| 043967 | OBT 600 Body Extension | 1 in body extension | Catalog p. 127 Open support path |
| 043969 | OBT 600 Body Extension | 2 in body extension | Catalog p. 127 Open support path |
| 043973 | OBT 600 Body Extension | 4 in body extension | Catalog p. 127 Open support path |
| 043975 | OBT 600 Body Extension | 6 in body extension | Catalog p. 127 Open support path |
| 043981 | OBT 1200 Body Extension | OBT 1200 body extension | Catalog p. 127 Open support path |
| 192700 | OBT 600 Contact Tip | 1/16 in wire | Catalog p. 127 Open support path |
| 192701 | OBT 600 Contact Tip | 5/64 in wire | Catalog p. 127 Open support path |
| 192702 | OBT 600 Contact Tip | 3/32 in wire | Catalog p. 127 Open support path |
| 192703 | OBT 600 Contact Tip | 7/64 in wire | Catalog p. 127 Open support path |
| 192704 | OBT 600 Contact Tip | 1/8 in wire | Catalog p. 127 Open support path |
| 192705 | OBT 600 Contact Tip | 5/32 in wire | Catalog p. 127 Open support path |
| 192141 | OBT 1200 Contact Tip | 1/16 in wire | Catalog p. 127 Open support path |
| 199026 | OBT 1200 Contact Tip | 5/64 in wire | Catalog p. 127 Open support path |
| 192142 | OBT 1200 Contact Tip | 3/32 in wire | Catalog p. 127 Open support path |
| 200771 | OBT 1200 Contact Tip | 7/64 in wire | Catalog p. 127 Open support path |
| 192143 | OBT 1200 Contact Tip | 1/8 in wire | Catalog p. 127 Open support path |
| 192144 | OBT 1200 Contact Tip | 5/32 in wire | Catalog p. 127 Open support path |
| 264595 | OBT 1200 Twin-Wire Tip | 3/64 in wire | Catalog p. 127 Open support path |
| 264596 | OBT 1200 Twin-Wire Tip | 1/16 in wire | Catalog p. 127 Open support path |
| 264597 | OBT 1200 Twin-Wire Tip | 5/64 in wire | Catalog p. 127 Open support path |
| 264588 | OBT 1200 Twin-Wire Tip | 3/32 in wire | Catalog p. 127 Open support path |
| 132955 | SubArc Wire Drive Roll | 1/16 in wire | Catalog p. 127 Open support path |
| 132960 | SubArc Wire Drive Roll | 5/64 in wire | Catalog p. 127 Open support path |
| 132961 | SubArc Wire Drive Roll | 3/32 in wire | Catalog p. 127 Open support path |
| 132962 | SubArc Wire Drive Roll | 7/64 in wire | Catalog p. 127 Open support path |
| 132963 | SubArc Wire Drive Roll | 1/8 in wire | Catalog p. 127 Open support path |
| 193700 | SubArc Wire Drive Roll | 5/32 in wire | Catalog p. 127 Open support path |
| 199733 | Single-Wire Straightener | OBT 600/1200 single-wire torches, 1/16-5/32 in wire | Catalog p. 127 Open support path |
| 301160 | Twin-Wire Straightener | Twin-wire straightener path for SubArc twin-wire setups | Catalog p. 127 Open support path |
Need more help?
Fitment note
Match the SubArc power source, control style, wire drive speed range, wire diameter, motor cables, OBT torch, drive rolls, and flux delivery before ordering parts.
Source
Miller 2026 Full-line Catalog, SubArc components page 91. Package usage for Wire Drive 400 is also listed on SubArc tractor and portable systems page 93.