Choosing between a gas-powered air compressor and a large receiver tank isn't about which one is better; it's about whether you need to make air or store it. The AllMetal 40 Gal 9HP Gas Air Compressor is a self-contained unit for worksites without electricity. The Industrial Air Compressor Receiver Tank Vertical Horizontal ASME 270 Gallon is a high-capacity reservoir meant to work with an existing screw compressor. That difference shapes every buying decision that follows.
Quick verdict
Go with the AllMetal when you need a complete, portable air supply that can run heavy-duty tools away from the grid. Go with the HPDAVV receiver tank when you already have a screw compressor and need a large ASME-certified buffer between it and your shop's demand. One makes air; the other stores a lot of it.
At a glance
| Detail | AllMetal 40 Gal Gas Air Compressor | Industrial Air Compressor Receiver Tank |
|---|---|---|
| Listed price | USD 2,699.00 | USD 1,999.00 |
| Tank capacity | 40 Gal | 270 Gal |
| Maximum pressure | 175 PSI | 160 PSI |
| Power source | 9HP gas engine | Pairs with a 22kW or more screw machine |
| Form | Portable, complete compressor | ASME receiver/storage tank |
Where each product wins
The AllMetal wins for jobsite independence. It bundles the engine, pump, and ASME tank into one portable frame. With a flow range of 14.5-20.6 CFM, it can run pneumatic impact wrenches, spray guns, sandblasters, and nailers in places with no grid power.
The HPDAVV wins for bulk storage and system integration. Its carbon-steel receiver gives you far more holding capacity, and the NPT port arrangements make it easier to tie into a layout that already has a screw compressor.
AllMetal Gas Air Compressor
The AllMetal is the unit to pick when an extension cord isn't part of your vocabulary. Its Loncin 9HP four-stroke OHV engine powers a 40-gallon ASME-certified steel tank, and the 302cc engine helps produce 14.5-20.6 CFM at up to 175 PSI. That output is useful for impact wrenches, spray guns, sandblasters, and nailers on farms, worksites, and other off-grid locations. The 80% duty-cycle rating also points to continuous work rather than occasional bursts. It weighs about 250 pounds and measures 47.2 inches long, so it's substantial enough that you'll treat it as a piece of equipment rather than a handheld tool. The trade-off is that it is a gas-powered machine: you need to keep fuel on hand and operate it outdoors, so it isn't designed for enclosed indoor placement as a permanent plant.
HPDAVV ASME Receiver Tank
This tank suits a different workflow: you already have the horsepower, and you need somewhere to store the air it makes. It is built from carbon steel and designed to work with a 22kW or larger screw compressor. The 1-inch, 2-inch, and 3-inch NPT connections give you several routing options, and the vertical/horizontal configuration lets you fit it into the available shop footprint. Because it is a receiver, it works with your existing screw compressor as the source of air. That separation makes it a cleaner buy if you are expanding a current compressed-air setup rather than starting from zero. Choose this tank when your pain point is capacity and pressure stability, not a missing power source.
Final choice by use case
If you are a contractor moving between sites, starting from scratch, or working on land without power, the AllMetal gas compressor is the complete solution. If you own a screw compressor and your current storage runs short during high-demand operations, the Industrial Air Compressor Receiver Tank adds the reserve you need. There is no single winner here-the right pick is the one that fits the hardware you already have and the location where you have to work.
