Processes
DC Stick (SMAW), MIG (GMAW) with wire feeder, Flux-cored (FCAW), and air plasma cutting/gouging with optional Spectrum models.
Miller Stick / Three-Phase Engine-Drive Support
Bobcat 230 3 Phase
Bobcat 230 3 Phase is a gas engine-driven welder for stick, wire-feed MIG, flux-cored welding, air plasma support, farm and ranch repair, and 480 V three-phase auxiliary power.
Stick (SMAW)MIG / FCAW with feeder480 V three-phase auxiliary powerOptional Spectrum plasma pathFarm / ranch repair
Welding range
CC Stick: 20 - 230 A. CV MIG/FCAW: 14 - 25 V.
Three-phase power
480 V, 12 A at 60 Hz. Peak: 11,000 W. Continuous: 9,500 W.
Engine
Gasoline Rehlko CH730, 23.5 hp at 3,600 rpm.
Rated weld output
230 A at 29.2 V CC and 230 A at 25.5 V CV, 100% duty cycle.
Weight and size
385 lb. (175 kg). H: 26.5 in. / 31.2 in. to exhaust, W: 20.13 in., D: 37.06 in.
Machine Package
| Stock number | Catalog package |
|---|---|
| 907842 | Bobcat 230 3 Phase with Rehlko engine and GFCI receptacles |
Field Options and Service
Miller lists these field options for the Bobcat 230 3 Phase. Installation may be required; verify electrical fitment before ordering.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 301741 | Electric Fuel Pump Field option |
Recommended for gas-engine operation above 5,000 feet; improves engine starting and high-output performance. | Search Amazon Site lookup |
| 300924 | Spark Arrestor Field option |
Mandatory in some California grassland, brush, forest, and national-forest applications. Check local rules. | Search Amazon Site lookup |
| 300517 | Full KVA Adapter Cord Power adapter |
NEMA 14-50P to NEMA 6-50R adapter for common Millermatic and Spectrum 240 V plugs. | View on Amazon Site lookup |
| 119172 | Full KVA Plug Single-phase plug |
1-phase, 120/240 V, 50 A NEMA 14-50P plug for the matching receptacle. | View on Amazon Site lookup |
| 165963 | Full KVA 3-Phase Plug Three-phase plug |
3-phase, 480 V, 30 A NEMA L16-30P plug for the three-phase receptacle. | View on Amazon Site lookup |
| 284083 | Engine Tune-Up Kit Rehlko CH730 service |
Includes air, fuel, and oil filters plus two spark plugs for the Rehlko CH730 engine. | Search Amazon Site lookup |
Machine Accessories
These running gear, cage, cover, sun shade, and display accessories appear in the supplied Bobcat 230 3 Phase document. The printed fitment notes should be checked before ordering.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 301706 | Off-Road Running Gear Running gear |
Includes four heavy-duty 15-inch tires and a rugged handle for jobsite maneuverability. | Search Amazon Site lookup |
| 301707 | Off-Road Running Gear with Protective Cage Running gear and cage |
Never Flat tire running gear with protective cage and cable holders. | Search Amazon Site lookup |
| 301708 | Multi-Terrain Running Gear Running gear |
Never Flat tire package with two heavy-duty 15-inch tires, two 8-inch rubber swivel casters, and a heavy-duty handle. | Search Amazon Site lookup |
| 301709 | Protective Cage with Cable Holders Protective cage |
Rugged cage with cable holders; can be used with running gear or a trailer. | Search Amazon Site lookup |
| 301712 | Protective Cover Machine cover |
For use without a protective cage or running gear. | View on Amazon Site lookup |
| 301713 | Protective Cover Machine cover |
For use with a protective cage and/or running gear. | View on Amazon Site lookup |
| 301714 | Sun Shade Machine accessory |
Listed in the document, but Miller's printed fitment note names Bobcat 265 and Trailblazer 330. Confirm applicability for Bobcat 230 3 Phase before ordering. | Search Amazon Site lookup |
| 301742 | Screen Protector Kit Display accessory |
Listed in the document, but Miller's printed fitment note names Bobcat 265 and Trailblazer 330. Confirm applicability for Bobcat 230 3 Phase before ordering. | Search Amazon Site lookup |
Welding, Feeder, and Plasma Paths
Use these catalog-listed equipment paths when selecting MIG, flux-cored, feeder, stick, multiprocess, or plasma equipment for auxiliary-power use.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 907838 | Millermatic 142 MIG welder path |
Portable MIG package listed for auxiliary-power operation. | Search Amazon Site lookup Open 142 page |
| 907614 | Millermatic 211 MIG welder path |
Portable MIG package listed for auxiliary-power operation. | Search Amazon Site lookup Open 211 page |
| 951726001 | ArcReach SuitCase 8 with Bernard BTB Gun Portable feeder package |
Arc-voltage feeder package, 300 A. | Search Amazon Site lookup Feeder support |
| 951727 | ArcReach SuitCase 8 with Bernard S-Gun Portable feeder package |
ArcReach SuitCase 8 package listed in the Bobcat 230 3 Phase accessory guide. | Search Amazon Site lookup Feeder support |
| 951728 | ArcReach SuitCase 8 with Bernard Dura-Flux Gun Portable feeder package |
ArcReach SuitCase 8 flux-cored package listed in the accessory guide. | Search Amazon Site lookup Feeder support |
| 951729001 | ArcReach SuitCase 12 with Bernard BTB Gun Portable feeder package |
Arc-voltage feeder package, 300 A. | Search Amazon Site lookup Feeder support |
| 951730 | ArcReach SuitCase 12 with Bernard S-Gun Portable feeder package |
ArcReach SuitCase 12 package listed in the Bobcat 230 3 Phase accessory guide. | Search Amazon Site lookup Feeder support |
| 951731 | ArcReach SuitCase 12 with Bernard Dura-Flux Gun Portable feeder package |
ArcReach SuitCase 12 flux-cored package listed in the accessory guide. | Search Amazon Site lookup Feeder support |
| 173851 | 2/0 Stick Cable Set, 50 ft. Stick welding leads |
50-foot electrode cable with holder and 50-foot work cable with clamp; 350 A, 100% duty cycle. | Search Amazon Site lookup Stick support |
| 043952 | 2/0 Stick Cable Set, 100/50 ft. Stick welding leads |
100-foot electrode cable and 50-foot work cable with clamp; 300 A, 100% duty cycle. | Search Amazon Site lookup Stick support |
| 907693 | Multimatic 215 Multiprocess welder path |
Portable MIG, TIG, or stick welding package listed in the accessory guide. | Search Amazon Site lookup Open 215 page |
| 907529 | Spectrum 375 X-TREME Plasma cutting path |
Spectrum plasma cutter listed in the Bobcat 230 3 Phase accessory guide. | Search Amazon Site lookup Plasma support |
| 907579 | Spectrum 625 X-TREME Plasma cutting path |
Spectrum plasma cutter listed in the Bobcat 230 3 Phase accessory guide. | Search Amazon Site lookup Plasma support |
| 907583 | Spectrum 875 Plasma cutting path |
Spectrum plasma cutter listed in the Bobcat 230 3 Phase accessory guide. | Search Amazon Site lookup Plasma support |
TIG Welding Path
The document points to the Dynasty 210 Series for portable AC/DC TIG. No stock number is printed for that series in this sheet.
Dynasty 210 Series
Miller lists the Dynasty 210 Series as the portable AC/DC TIG path. No stock number is printed in this document; open the support page for the series.
Open Dynasty 210 supportTrailers and Jobsite Accessories
Miller also lists these trailer and jobsite accessories for the engine-drive platform.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 301438 | HWY-Mid Frame Trailer Trailer |
1,424-pound highway trailer with welded steel tubing frame, heavy-duty axle, jack stand, fenders, lights, and dual hitch. | View on Amazon Site lookup |
| 043826 | Cable Tree Trailer accessory |
Provides an area to conveniently wrap weld cables and extension cords. | Search Amazon Site lookup |
| 301236 | 2-in-1 Document / Fire Extinguisher Holder Trailer accessory |
Stores documents and holds a five-pound fire extinguisher; the extinguisher is not included. | Search Amazon Site lookup |
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 |
|---|---|---|---|
| 301438 | HWY-Mid Frame Trailer | For Bobcat, Trailblazer, Big Blue 400 Pro, Big Blue 400 PipePro, and Big Blue 450 Duo CST. | View on Amazon Catalog p. 125 Open support path |
Full machine details
Welding Output
- CC Stick: 230 A at 29.2 V, 100% duty cycle
- CV MIG/FCAW: 230 A at 25.5 V, 100% duty cycle
Auxiliary Power
- Three-phase: 11,000 W peak and 9,500 W continuous
- 480 V, 12 A at 60 Hz
- Four percent total harmonic distortion
Key Support Notes
- Single-knob adjustment
- Separate weld and auxiliary power
- 11-gallon fuel capacity
- Engine maintenance display with oil-change interval
Source: Miller Bobcat 230 3 Phase literature ED/4.47, issued January 2026. Machine specifications, stock number, and accessory relationships on this page are based on the supplied Miller document. Confirm installation requirements, printed fitment notes, package contents, and current availability before ordering.
Approved Buy Links
OEM-backed Amazon Links
Full KVA adapter cordPart: 300517
View on Amazon
Full KVA plugPart: 119172
View on Amazon
Full KVA 3-phase plugPart: 165963
View on Amazon
Protective cover without cage or running gearPart: 301712
View on Amazon
Protective cover with cage or running gearPart: 301713
View on Amazon
HWY-Mid Frame TrailerPart: 301438
View on Amazon