Processes
Stick (SMAW), flux-cored (FCAW), MIG (GMAW), DC TIG (GTAW), and optional Spectrum plasma paths; air carbon arc is listed for the 250 platform.
Miller Stick / Engine-Drive Support
Miller Bobcat 250 Diesel Machine Support
Discontinued Miller Bobcat 250 Diesel historical support for engine-driven welding, 120/240 V generator power, diesel service, and the accessories listed in literature ED/4.34.
Stick / TIG (SMAW / GTAW)MIG / FCAW paths11,000 W peak generatorKubota diesel engine
Representative catalog image: Bobcat 250 Diesel shown.
Welding range
AC Stick/TIG: 40 - 250 A. DC Stick/TIG: 40 - 275 A. MIG/FCAW: 17 - 28 V.
Generator
120/240 VAC generator. 11,000 W peak and 9,500 W continuous at 88/44 A, 60 Hz.
Engine
Kubota D722, 19 hp at 3,600 rpm; three-cylinder industrial liquid-cooled diesel with 2,450 rpm idle speed.
Size and weight
638 lb. net without fuel. H: 28 in. / 34.375 in. to top of exhaust, W: 20 in., D: 45.375 in.
Support status
Discontinued historical machine. Use this page for document-backed data and replacement-accessory research.
Stock Packages
| Stock number | Catalog package |
|---|---|
| 907565 | Kubota engine with GFCI receptacles |
Start with the common replacement paths
These are the quickest routes for historical Bobcat support. Every listed relationship comes from Miller literature ED/4.4; Amazon buttons are either approved links or clearly labeled searches.
Field options and service
Open the field options and service path for Bobcat 250 Diesel.
Running gear, cages, and covers
Open the running gear, cages, and covers path for Bobcat 250 Diesel.
Welding and feeder paths
Open the welding and feeder paths path for Bobcat 250 Diesel.
TIG and controls
Open the tig and controls path for Bobcat 250 Diesel.
Trailers and jobsite
Open the trailers and jobsite path for Bobcat 250 Diesel.
Search a stock number
Open the search a stock number path for Bobcat 250 Diesel.
Field Options and Service
Miller lists these field options and engine service kits for the Bobcat 250 Diesel. Installation may be required; verify engine, fuel configuration, and serial-specific fitment before ordering.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 300975 | GFCI Receptacles Field option |
Field kit with two GFCI 120 VAC duplex receptacles. | Search Amazon Site lookup |
| 301115 | Cold Weather Kit Field option |
Includes a block heater for improved starting and a fuel heater for filtration in cold temperatures. | Search Amazon Site lookup |
| 043579 | Spark Arrestor Field option |
Required in some California grassland, brush, forest, and National Forest applications. Check local rules. | Search Amazon Site lookup |
| 300517 | Adapter Cord, Full KVA Power accessory |
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 Kit Power accessory |
120/240 VAC, 50 A NEMA 14-50P plug for the full KVA receptacle. | View on Amazon Site lookup |
| 259935 | Diesel Engine Filter Kit Service part |
Includes air filter, oil filter, fuel pre-filter, and primary fuel filter. Miller says to order it from Miller Service Parts. | Search Amazon Site lookup |
Running Gear, Cages, and Covers
These running gear, cage, cylinder-mounting, and protective-cover accessories are listed for the Bobcat 250 Diesel. The catalog fitment notes shown in each row matter.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 300477 | All-Purpose Running Gear Running gear |
With Never Flat tires; includes two heavy-duty 15-inch tires, two 8-inch swivel casters, and a heavy-duty handle. | Search Amazon Site lookup |
| 195331 | Protective Cage with Cable Holders Protective cage |
Rugged cage with cable holders. Not for use with the Protective Cover. | Search Amazon Site lookup |
| 195330 | Gas Cylinder Mounting Assembly Gas-only accessory |
Includes base tray, bottle bracket, vertical support rack, and safety chain. Not recommended for use with the Protective Cover. | Search Amazon Site lookup |
| 301099 | Protective Cover Machine cover |
Heavy-duty, water-resistant, mildew-resistant cover for the Bobcat 250 Diesel. | Search Amazon Site lookup |
Welding, Feeder, Spool Gun, and Plasma Paths
Miller lists these MIG, flux-cored, stick-lead, wire-feeder, spool-gun, multiprocess, and plasma paths for use with the Bobcat engine-drive platform.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 173851 | 2/0 Stick Weld Leads, 50 ft. Stick welding leads |
350 A, 100% duty cycle; 50-foot stinger and 50-foot work cable. | Search Amazon Site lookup |
| 043952 | 2/0 Stick Weld Leads, 100/50 ft. Stick welding leads |
300 A, 100% duty cycle; 100-foot stinger and 50-foot work cable. | Search Amazon Site lookup |
| 907529 | Spectrum 375 X-TREME Plasma cutting path |
Optional Spectrum plasma cutter listed in the supplied Bobcat 250 Diesel literature. | Search Amazon Site lookup Plasma support |
| 907579 | Spectrum 625 X-TREME Plasma cutting path |
Optional Spectrum plasma cutter listed in the supplied Bobcat 250 Diesel literature. | Search Amazon Site lookup Plasma support |
| 907583 | Spectrum 875 Plasma cutting path |
Optional Spectrum plasma cutter listed in the supplied Bobcat 250 Diesel literature. | Search Amazon Site lookup Plasma support |
| 907612 | Millermatic 141 MIG welder path |
Complete MIG package listed for operation from generator power; current support path is the Millermatic 142 replacement page. | Search Amazon Site lookup 142 support |
| 907613 | Millermatic 190 MIG welder path |
Complete MIG package listed for operation from generator power. | Search Amazon Site lookup MIG support |
| 907422 | Millermatic 211 Auto-Set with MVP MIG welder path |
Complete MIG package listed for operation from generator power. | Search Amazon Site lookup 211 support |
| 907405 | Millermatic 212 Auto-Set MIG welder path |
Complete MIG package listed for operation from generator power. | Search Amazon Site lookup MIG support |
| 951583 | SuitCase X-TREME 8VS Wire Feeder Wire feeder path |
Voltage-sensing feeder with secondary contactor, MIG gun, gas valve, and drive roll kit. | Search Amazon Site lookup Feeder support |
| 951543 | SuitCase X-TREME 12VS Wire Feeder Wire feeder path |
Voltage-sensing feeder with secondary contactor, MIG gun, gas valve, and drive roll kit. | Search Amazon Site lookup Feeder support |
| 130831 | Spoolmatic 30A Spool Gun MIG / aluminum spool gun |
Air-cooled, 200 A, 1-pound spool gun for aluminum MIG. Requires WC-115A Control. | Search Amazon Site lookup Spool gun support |
| 137546-01-1 | WC-115A Control Spool-gun control |
With contactor; required for the Spoolmatic 30A path. | Search Amazon Site lookup Spool gun support |
| 195016 | Spoolmate 3035 Spool Gun MIG / aluminum spool gun |
For use with SGA 100C Control and Heavy-Duty Barrel; 150 A, 60% duty cycle with 20-foot cable. | Search Amazon Site lookup Spool gun support |
| 043857 | SGA 100C Control Spool-gun control |
With contactor; required to connect Spoolmate 3035 to a CV engine drive. | Search Amazon Site lookup Spool gun support |
| 195375 | Heavy-Duty Barrel for Spoolmate 3035 Spool-gun accessory |
For demanding applications; rated 200 A, 60% duty cycle. | Search Amazon Site lookup |
| 907518 | Multimatic 200 Multiprocess welder path |
Portable all-in-one MIG, TIG, and Stick package listed in the accessory guide. | Search Amazon Site lookup |
TIG and High-Frequency Controls
The literature points to the Dynasty 200 Series for portable AC/DC TIG and the HF-251D-1 path for high-frequency starting. No current support page or exact machine-specific fitment is assumed where the catalog does not provide one.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 195350 | TIG Adapter with Extension Scratch-start TIG accessory |
TIG adapter with extension listed for the scratch-start TIG setup. | Search Amazon Site lookup |
| See catalog | Dynasty 200 Series TIG welder path |
Premium portable AC/DC TIG path named in the document. | Search Amazon Site lookup |
| 042388 | HF-251D-1 High-frequency arc starter |
115 VAC high-frequency arc starter and stabilizer. Requires the Secondary Contactor. | Search Amazon Site lookup |
| 041969 | Secondary Contactor Control accessory |
Required to use HF-251D-1. | Search Amazon Site lookup |
| 129337 | RMLS-14 Switch TIG control |
RMLS-14 switch listed with the scratch-start TIG setup. | Search Amazon Site lookup |
Trailers and Jobsite Accessories
Miller lists these trailer accessories for the Bobcat engine-drive platform. Verify hitch, trailer capacity, and local requirements before ordering.
| Part / stock | Item | Catalog note | Buy / lookup |
|---|---|---|---|
| 195013 | HWY-1000 Trailer Trailer |
1,000-pound-capacity highway trailer with welded frame, axle, jack stand, 2-inch ball hitch, fenders, and lights. | Search Amazon Site lookup |
| 195023 | Cable Tree Trailer accessory |
Provides a place to wrap weld cables and extension cords on the HWY-1000 trailer. | Search Amazon Site lookup |
| 300831 | Dual Hitch Hitch accessory |
2-inch ball hitch and 3-inch lunette eye in one reversible assembly. | Search Amazon Site lookup |
Catalog Source and Ordering Note
Source: Miller Bobcat 250 Diesel literature ED/4.34, issued February 2015. This page keeps machine data and catalog-listed accessory relationships together for historical support. Confirm model, fuel system, serial number, installation requirements, package contents, and current availability before ordering.
Full machine details
Document-backed specifications
- CC/AC Stick/TIG: four range bands from 40 - 130 A through 100 - 250 A; 250 A at 25 V, 100% duty cycle.
- CC/DC Stick/TIG: 40 - 275 A; DC TIG is available above 80 A.
- CV/DC MIG/FCAW: 17 - 22 V and 20 - 28 V; 250 A at 28 V or 275 A at 25 V, 60% duty cycle.
- Kubota D722 standard shutdowns include high coolant temperature, low oil pressure, and low fuel.
- Historical literature does not establish serial-specific replacement compatibility. Verify model and serial number before ordering.
Generator and service notes
- 12-gallon diesel fuel capacity; the diesel engine shuts down before the system runs out of fuel to make restarts easier.
- Diesel Engine Filter Kit 259935 includes the air filter, oil filter, fuel pre-filter, and primary fuel filter.
- Cold Weather Kit 301115 includes a block heater and fuel heater for cold-temperature operation.
- The supplied literature does not establish current availability or serial-specific replacement compatibility.
Ordering caution
These machines are discontinued. The page is a reference and lookup aid, not a confirmation of current stock or universal compatibility.
Source: Miller Bobcat 250 Diesel literature ED/4.34, issued February 2015. Specs and accessory relationships are based on the supplied document; confirm serial-specific fitment and current availability before ordering.
Approved Buy Links
Previously verified accessory links
Adapter Cord, Full KVAPart: 300517
View on AmazonFull KVA Plug KitPart: 119172
View on Amazon