Available for Preorder - Shipping Q2 2025
Stop wasting payload with a standalone compressor and engine-driven welder — simplify your job and fleet with the new hydraulically driven all-in-one Miller® HDI™ Air Pak™ series. Maximize payload, save space and get more done in a single unit.
Key Benefits
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The HDI™ Air Pak™ all-in-one solutions do the work of two machines and are designed with industry-leading technologies to provide the reliability and support you need on the job, while reducing payload for increased capabilities.
Up to 400 pounds lighter and 54 percent smaller footprint over an engine-driven welder and standalone compressor.
Best-in-class welding performance, reliability and support.
Predefined weld settings make welding straightforward and accurate for technicians.
Save time with a single, easy-to-use interface for air compressor, battery charge/crank assist and weld parameter settings.
Individual panels allow for customized setup for quick, easy access and reduced risk of injuries from climbing onto the truck.
Reduced sound levels lessen noise fatigue on the jobsite.
Rotary-screw compressor with 40 cfm (265 model) or 60 cfm (325 model) provides air on demand.
Up to 150 amps of DC power for 12/24V battery charging. Up to 300 amps for crank assist.
7,000-watt generator can handle most jobsite electrical needs to power electric tools, lights and more.
Provides 265 amps (265 model) or 325 amps (325 model) of output.
HDI™ 265 Air Pak™
The HDI 265 Air Pak has a 40 cfm air compressor, battery charge/crank assist, auxiliary power and 265 amps of integrated multiprocess welding output.
Spec Sheet (PDF)
HDI™ 325 Air Pak™
The HDI 325 Air Pak has a 60 cfm air compressor, battery charge/crank assist, auxiliary power, and 325 amps of integrated multiprocess welding output.
Work Truck Solutions Comparison Guide
A quick side-by-side look at our machines.
Download Guide (PDF)
HDI™ Air Pak™ Series Flyer
Get all the details on our two newest work truck solutions.
Territory Manager Map
Find the nearest Miller work truck expert in your area.
Series Spec Sheet
Learn all the details on these two new machines.
Download Spec Sheet (PDF)
Talk to our work truck experts to learn more.
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