Weld modes
Separate mode: 20 - 400 A CC/DC each side. Paralleled mode: 40 - 800 A CC/DC. CV: 15 - 50 V.
Miller Stick / Engine-Drive Support
Miller Big Blue 800 Duo Air Pak Machine Support
Support for the Miller Big Blue 800 Duo Air Pak USA engine-driven welder. This dual-operator platform adds an Ingersoll Rand rotary screw compressor for gouging and pneumatic tools, with ArcReach and wireless-control package variants.
907752 familyDeutz TD2.9 L4ArcReachAir Pak compressor20 - 400 A each side40 - 800 A paralleled
Engine
Deutz TD2.9 L4, EPA Tier 4 Final, 65.7 hp, with Ingersoll Rand CE55 G1 compressor.
Auxiliary power
3-phase: 27,000 W peak and 20,000 W continuous. 1-phase: 15,000 W peak and 12,000 W continuous.
Multi-operator setup
Separate outputs support two operators; paralleled mode supports up to 800 A on the configurations documented in ED/14.0.
ArcReach
Remote process and parameter control through compatible feeders and Stick/TIG remotes.
Dimensions
H 46 in.; add 7.5 in. to the top of the exhaust pipe. W 28.5 in., D 69.5 in.
Package Configuration
ED/14.0 lists four USA Big Blue 800 Duo Air Pak package variants. Match the stock number to the nameplate because wireless-interface and welder-truck-specific options differ.
| Stock number | Catalog package |
|---|---|
| 907752 | Big Blue 800 Duo Air Pak USA Base model with 240-volt three-phase power, ArcReach, and vandalism lockout kit. |
| 907752001 | Big Blue 800 Duo Air Pak USA Welder Truck Specific Welder truck specific model with ArcReach. |
| 907752003 | Big Blue 800 Duo Air Pak USA with Wireless Interface Control Base model with 240-volt three-phase power, wireless interface control, ArcReach, and vandalism lockout kit. |
| 907752004 | Big Blue 800 Duo Air Pak USA Welder Truck Specific with Wireless Interface Control Welder truck specific model with wireless interface control and ArcReach. |
Field, Power, Maintenance, and Cover Accessories
ED/14.0 field accessories for the USA Big Blue 800 Duo Air Pak configuration, including compressor, air dryer, wireless-control, and truck-mount paths.
| Part / stock | Item | ED/14.0 note | Buy / lookup |
|---|---|---|---|
| 288137 | Wireless Interface Control Replacement Kit Wireless-control service part | Replacement remote, magnetic lanyard, USB charger, 110-volt adapter, and two screen protectors. Use only on machines equipped with wireless interface control. | Search Amazon Site lookup |
| 287594 | Wireless Interface Control Protective Covers Wireless-control accessory | Five-pack of screen protectors for the wireless interface control remote. | Search Amazon Site lookup |
| 195117 | Desiccant Air Dryer System - Side Mount Air Pak accessory | Regenerating inline air dryer system for Air Pak models; helps prevent moisture-related air-tool freeze-ups. | View on Amazon Site lookup |
| 195117001 | Desiccant Air Dryer System - Rear Mount Air Pak accessory | Rear-mount regenerating inline air dryer system for Air Pak models. | Search Amazon Site lookup |
| 300517 | Full KVA Adapter Cord Generator power accessory | NEMA 14-50P to NEMA 6-50R adapter for the engine-drive 120/240-volt plug. | View on Amazon Site lookup |
| 119172 | Full KVA Plug Kit Single-phase plug | 120/240-volt, 50-amp NEMA 14-50P plug kit. | View on Amazon Site lookup |
| 254140 | Full KVA Plug Kit Three-phase plug | 240-volt, 50-amp NEMA 15-50P plug kit. | View on Amazon Site lookup |
| 262459 | Engine Filter Kit USA maintenance | Engine filter kit listed for USA models. | Search Amazon Site lookup |
| 279121 | Compressor Kit Air Pak maintenance | Includes oil plus air, oil, and coalescing filters for the Ingersoll Rand compressor. | Search Amazon Site lookup |
| 195012 | Spark Arrestor Kit Engine safety accessory | Prevents particles from leaving the muffler; ED/14.0 notes USFS 5100-1B requirements for applicable locations. | Search Amazon Site lookup |
| 043947 | FA-1D Lockable Flame Arrestor Fuel Cap Fuel safety accessory | Padlockable fuel cap with built-in flame arrestor. | Search Amazon Site lookup |
| 951850 | Remote Output Panel Kit Truck-mount accessory | Places auxiliary power and weld outputs at the point of use for truck-mounted engine-driven welders. | View on Amazon Site lookup |
| 301482 | Big Blue 500-800 Pro Cold Weather Kit Cold-weather accessory | Adjustable steel-hinged cover for operating in extremely cold conditions. | Search Amazon Site lookup |
| 301113 | Protective Cover Machine cover | Blue water-resistant canvas cover; ED/14.0 notes it cannot be used with the cable holder attached. | Search Amazon Site lookup |
| 300749 | Wireless Antenna Kit Wireless-control accessory | Optional when improved wireless reception is desired; recommended with wireless remote hand control 301582. | Search Amazon Site lookup |
| 399802 | Vandalism Lockout Kit Configuration/service feature | Vandalism lockout is listed as part of the USA Air Pak package variants; retain this part number for service lookup. | View on Amazon Site lookup |
MIG, Flux-Cored, Feeder, and Spool-Gun Paths
ED/14.0 feeder, gun, and spool-gun paths. XR push-pull systems are named by literature rather than one Big Blue 800 stock number.
| Part / stock | Item | ED/14.0 note | Buy / lookup |
|---|---|---|---|
| 951733 | ArcReach Smart Feeder ArcReach feeder | For ArcReach models; includes drive rolls and Bernard PipeWorx 300-15 MIG gun for MIG, FCAW, RMD, and pulse processes. | Search Amazon Site lookup Smart Feeder support |
| 951580001 | SuitCase 12RC Wire Feeder Wire feeder | Includes remote voltage control, drive roll kit, and Bernard BTB Gun 300 A. | Search Amazon Site lookup Feeder support |
| 951726001 | ArcReach SuitCase 8 with Bernard BTB Gun Wire feeder package | ArcReach feeder with Bernard BTB Gun 300 A. | Search Amazon Site lookup Feeder support |
| 951727 | ArcReach SuitCase 8 with Bernard S-Gun Wire feeder package | ArcReach feeder with Bernard S-Gun. | Search Amazon Site lookup Feeder support |
| 951728001 | ArcReach SuitCase 8 with Bernard IronPro 350 Gun Wire feeder package | ArcReach feeder with Bernard IronPro 350 self-shielded flux-cored gun. | Search Amazon Site lookup Feeder support |
| 951729001 | ArcReach SuitCase 12 with Bernard BTB Gun Wire feeder package | ArcReach feeder with Bernard BTB Gun 300 A. | Search Amazon Site lookup Feeder support |
| 951730 | ArcReach SuitCase 12 with Bernard S-Gun Wire feeder package | ArcReach feeder with Bernard S-Gun. | Search Amazon Site lookup Feeder support |
| 951731001 | ArcReach SuitCase 12 with Bernard IronPro 350 Gun Wire feeder package | ArcReach feeder with Bernard IronPro 350 self-shielded flux-cored gun. | Search Amazon Site lookup Feeder support |
| 301604 | ArcReach SuitCase 12 Heavy Duty Wire feeder | Feeder-only package for 3/32-inch cored wire; operates from arc voltage when paired with an ArcReach power source. | Search Amazon Site lookup Feeder support |
| 130831 | Spoolmatic 30A Spool Gun Spool gun | Air-cooled 200 A spool gun for aluminum and stainless MIG; requires WC-24 Control 137549. | Search Amazon Site lookup Spool gun support |
| 137549 | WC-24 Control Spool gun control | WC-24 control required for the Spoolmatic 30A path. | Search Amazon Site lookup Wire feeder support |
Stick/TIG Remote and Extension Paths
Remote controls and extension cables for the 14-pin and ArcReach paths.
| Part / stock | Item | ED/14.0 note | Buy / lookup |
|---|---|---|---|
| 301325 | ArcReach Stick/TIG Remote ArcReach remote | When paired with an ArcReach power source, provides remote control without a cord. | View on Amazon Site lookup |
| 301582 | Wireless Remote Hand Control Wireless remote | Wireless current, voltage, and contactor control; receiver plugs into the 14-pin receptacle. ED/14.0 recommends wireless antenna kit 300749. | Search Amazon Site lookup |
| 242211020 | RHC-14 Hand Control Remote control | Miniature hand control for remote current and contactor control; includes a 20-foot cord and 14-pin plug. | View on Amazon Site lookup |
| 242208025 | 14-Pin Remote / Feeder Extension Cable Extension cable | 25-foot extension cable for 14-pin remote controls or 24 VAC wire feeders. | Search Amazon Site lookup |
| 242208050 | 14-Pin Remote / Feeder Extension Cable Extension cable | 50-foot extension cable for 14-pin remote controls or 24 VAC wire feeders. | Search Amazon Site lookup |
| 242208080 | 14-Pin Remote / Feeder Extension Cable Extension cable | 80-foot extension cable for 14-pin remote controls or 24 VAC wire feeders. | Search Amazon Site lookup |
Optional Spectrum Plasma Paths
ED/14.0 lists these Spectrum options for air plasma cutting and gouging.
| Part / stock | Item | ED/14.0 note | Buy / lookup |
|---|---|---|---|
| 907529 | Spectrum 375 X-TREME Plasma cutter | Portable Spectrum plasma cutter option; see Miller PC/9.2 literature. | Search Amazon Site lookup Plasma support |
| 907579 | Spectrum 625 X-TREME Plasma cutter | Portable Spectrum plasma cutter option; see Miller PC/9.6 literature. | Search Amazon Site lookup Plasma support |
| 907583 | Spectrum 875 Plasma cutter | Portable Spectrum plasma cutter option; see Miller PC/9.8 literature. | Search Amazon Site lookup Plasma support |
Trailer and Hitch Accessories
ED/14.0 lists the HWY-225 trailer and related accessories.
| Part / stock | Item | ED/14.0 note | Buy / lookup |
|---|---|---|---|
| 301338 | HWY-225 Trailer Trailer | 2,700-pound payload highway trailer with lights, fenders, jack stand, and dual hitch. | Search Amazon Site lookup |
| 043826 | Cable Tree Trailer accessory | Trailer-mounted cable holder for wrapping weld cables and extension cords. | Search Amazon Site lookup |
| 301441 | Dual Hitch Trailer accessory | Reversible 2-inch ball and 3-inch lunette-eye hitch assembly for the HWY-225. | Search Amazon Site lookup |
| 301236 | 2-in-1 Document / Fire Extinguisher Holder Trailer accessory | Stores documents and holds a 5-pound fire extinguisher; extinguisher not included. | Search Amazon Site lookup |
Catalog Source and Ordering Note
Source: Miller Big Blue 800 Series literature ED/14.0, issued June 2026. This page covers USA Big Blue 800 Duo Air Pak stocks 907752, 907752001, 907752003, and 907752004. Verify stock number, wireless-interface option, truck-specific installation, engine, and compressor configuration before ordering.
Full machine details
Welding Output
- Separate CC/DC: 20 - 400 A each side. Paralleled CC/DC: 40 - 800 A.
- Separate CV/DC: 15 - 50 V each side. Paralleled CV/DC: 15 - 50 V.
- Rated output includes 400 A at 36 V each side, and paralleled ratings of 700 A at 44 V, 800 A at 38 V, and 800 A at 36 V per the ED/14.0 ratings notes.
Engine and Service
- Deutz TD2.9 L4, EPA Tier 4 Final compliant, 65.7 hp, turbo-charged four-cylinder liquid-cooled industrial diesel.
- Engine speeds: 1,350 rpm idle and 1,800 rpm weld. Fuel capacity: 25 gallons; oil capacity 8.5 qt.; coolant 16 qt.
- Ingersoll Rand CE55 G1 rotary screw compressor: 40 cfm idle, 60 cfm run, 100 psig, 100% duty cycle, 4 qt. oil capacity, 500-hour oil change interval, and oil temperature shutdown.
Power and Dimensions
- Three-phase auxiliary: 27,000 W peak and 20,000 W continuous. Single-phase: 15,000 W peak and 12,000 W continuous.
- Dimensions: H 46 in., W 28.5 in., D 69.5 in.; add 7.5 in. to the top of the exhaust pipe. Net weight: 2,095 lb.
- Sound level: 71.3 dB idle and 78.9 dB at an 800 A weld load at 23 feet. IP23S rated.
Source: Miller Big Blue 800 Series literature ED/14.0, issued June 2026. Confirm the stock number, Deutz Air Pak configuration, ArcReach equipment, and current availability before ordering.
Approved Buy Links
OEM-backed Amazon Links
Full KVA adapter cordPart: 300517
View on Amazon120/240 V full KVA plug kitPart: 119172
View on Amazon240 V three-phase full KVA plug kitPart: 254140
View on AmazonDesiccant air dryer, side mountPart: 195117
View on AmazonRemote output panel kitPart: 951850
View on AmazonVandalism lockout kitPart: 399802
View on AmazonRHC-14 hand controlPart: 242211020
View on AmazonArcReach Stick/TIG remotePart: 301325
View on Amazon