Miller Stick / Engine-Drive Support

Big Blue 800 Series

Miller's highest-output diesel engine-driven series for dual-operator, multi-arc, Air Pak, stud, gouging, and heavy industrial work.

Stick (SMAW)MIG with wire feeder (GMAW)Flux-cored (FCAW)DC TIG (GTAW)RMDPulsed MIGSubmerged arc (SAW)Air carbon arc cutting and gouging (CAC-A)Stud welding Heavy industrial dual-operator diesel engine-drive

Processes

Stick (SMAW), MIG with wire feeder (GMAW), Flux-cored (FCAW), DC TIG (GTAW), RMD, Pulsed MIG, Submerged arc (SAW), Air carbon arc cutting and gouging (CAC-A), Stud welding

Welding range

Separate outputs: 20 - 400 A each side. Paralleled: 40 - 800 A. CV MIG/FCAW: 15 - 50 V.

Engine

Deutz TD2.9 L4 diesel, 65.7 hp at 1,800 rpm

Auxiliary power

Three-phase: peak 27,000 W, continuous 20,000 W. Single-phase: peak 15,000 W, continuous 12,000 W. Air Pak model compressor: 40 cfm idle / 60 cfm weld.

Weight

Duo Pro: 1,869 lb. (848 kg). Duo Air Pak: 2,095 lb. (968 kg).

Class

Heavy industrial dual-operator diesel engine-drive

Machine Packages

Stock number	Catalog package
907751	Big Blue 800 Duo Pro Deutz
907752	Big Blue 800 Duo Air Pak Deutz
907752003	Big Blue 800 Duo Air Pak Deutz with WIC

Welding Output

Separate CC: 400 A at 36 V each side, 100% duty cycle
Paralleled CC: 700 A at 44 V and 800 A at 38 V, 100% duty cycle
Separate CV: 400 A at 34 V each side
Paralleled CV: 750 A at 40 V and 800 A at 38 V

Key Support Notes

Dual-operator output or paralleled high-output mode
Wireless Interface Control option
Air Pak compressor option
Multi-arc welding support
Stud welding support

Accessories and Process Paths

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SuitCase Feeders

Voltage-sensing or wire-feeder path listed for supported engine-drive machines.

Open support page

ArcReach Smart Feeder

Smart Feeder path for ArcReach-equipped models where catalog-listed.

Open support page

ArcReach Stick/TIG Remote

Remote welding-control path listed for supported ArcReach models.

Support path pending

ArcReach Heater

Preheat and field heating path listed for supported Trailblazer and Big Blue models.

Support path pending

Dynasty 210 Series

TIG/stick power source path listed for larger Big Blue models.

Open support page

Full KVA Adapter Cord

300517 Full KVA adapter cord listed for Bobcat, Trailblazer, and Big Blue engine-drive models.

Support path pending

Amazon link: Needs verification.

Full KVA Plug Kit

119172 Single-phase 120/240 V, 50 A plug kit listed for Bobcat, Trailblazer, and Big Blue models.

Support path pending

Amazon link: Needs verification.

Full KVA Plug Kit

254140 Three-phase 240 V, 50 A plug kit listed for Big Blue 500, 600, and 800 models.

Support path pending

Amazon link: Needs verification.

Protective Cover

301113 Protective cover for Big Blue 600 Air Pak and Big Blue 800 Series Deutz models.

Support path pending

Amazon link: Needs verification.

Remote Output Panel Kit

951850 Remote output panel kit for Big Blue models except Big Blue 450 Duo CST.

Support path pending

Amazon link: Needs verification.

HWY-225 Trailer

Trailer path listed for Big Blue models.

Support path pending

Desiccant Air Dry System - Side Mount

195117 Air dry system for Air Pak models where catalog-listed.

Support path pending

Amazon link: Needs verification.

Desiccant Air Dry System - Rear Mount

195117001 Air dry system for Air Pak models where catalog-listed.

Support path pending

Amazon link: Needs verification.

Dimensions

H: 46 in. / 53.5 in. to top of exhaust, W: 28.5 in., D: 69.5 in.

Source: Miller Electric 2026 Full-line Catalog, catalog page 89, literature ED/14.0. Machine and accessory relationships are source-backed catalog references. Amazon purchase links stay separate and only appear after independent product verification.