American Standard 10-US-AS-3 1/3 HP Garbage Disposal Review

If you live alone, cook for two, or just need something that clears rinsed plates and small food scraps without drama, a 1/3 HP garbage disposal unit does that job well. You don’t need a bigger motor sitting under your sink drawing more power and taking up more cabinet room than your kitchen will ever use.

The American Standard 10-US-AS-3 is built around that idea. It’s the entry point into American Standard’s Slim Line disposal lineup, and it carries the same permanent magnet motor, Torque Master grinding system, and stainless steel components found in the brand’s larger models, just scaled down for lighter daily use.

This review breaks down how the American Standard 10-US-AS-3 garbage dispsoal performs, where a 1/3 HP motor starts to show its limits, and who should step up to a bigger model instead.

American Standard 10-US-AS-3, 1/3 HP Garbage Disposal Specifications

Specification	Details
Brand	American Standard
Model Number	10-US-AS-3
Horsepower (HP)	1/3 HP
Motor Type	Permanent Magnet Motor
Feed Type	Continuous Feed
Grinding Components	Stainless Steel
Mount Type	Standard 3-Bolt Mounting System
Voltage	110V AC
Product Dimensions	6.3 × 6.3 × 13 inches
Item Weight	8.8 lbs
Color / Finish	Black
Dishwasher Connection	Yes
Safety Features	Overload Protection, Manual Reset Button
Septic Safe	Yes (per manufacturer guidelines)
Included Components	Disposer Unit, 3-Bolt Mounting Flange, Elbow Flange and Elbow, Removable Splash Guard
Warranty	5-Year Warranty (American Standard Slim Line series)

American Standard 10-US-AS-3, 1/3 HP Garbage Disposal Key Features

1/3 HP Permanent Magnet Motor Sized for Real Households

Not every kitchen needs grinding muscle. The 10-US-AS-3 runs a 1/3 HP permanent magnet motor built for the waste a single person or a two-person household actually produces: coffee grounds, rinsed plate scraps, soft vegetable trim, small amounts of fruit peel.

Permanent magnet motors deliver full torque the moment you flip the switch. There’s no slow ramp-up, which cuts down on jams during startup. Push this motor past light daily waste, though, and it will tell you. Stringy waste like celery or corn husks, along with anything fibrous in bulk, is where a smaller motor starts to labor. That’s not a flaw. It’s the tradeoff you accept for a compact, lower cost unit that doesn’t overbuild for a kitchen that doesn’t need it.

Torque Master Anti-Jam Grinding System

American Standard’s Torque Master system is built around controlled, steady grinding rather than brute force. Food waste breaks down into fine particles that flow through your plumbing instead of settling and clogging the line.

The anti-jam behavior shows up during mixed loads. A stray fruit pit or a tougher scrap doesn’t stall the whole unit. It keeps turning instead of locking up, which means fewer trips to the reset button underneath the housing.

Slim-Line Compact Design

Here’s the catch with a lot of entry-level disposals: the motor housing is taller than the cabinet space people actually have. At 13 inches tall and 6.3 inches wide, the 10-US-AS-3 was built specifically to avoid that problem.

If your under-sink cabinet is already sharing space with a trash bin, cleaning supplies, and a water filter housing, a shorter unit is the difference between an install that goes smoothly and one that forces you to rearrange half your kitchen.

Stainless-Steel Grinding Components

The grinding components are stainless steel, not the galvanized steel common on budget disposals from other brands. Stainless steel resists corrosion better and holds a sharper grinding edge longer, which matters in a household running the disposal daily.

This is one area where the 10-US-AS-3 doesn’t cut corners just because it sits at the bottom of American Standard’s horsepower range.

Installation & Maintenance

The standard 3-bolt mounting system is the same style used across most residential disposals, including many InSinkErator, GE, and Waste Maid units. If you’re replacing an existing 3-bolt disposal, the swap is generally direct, and the included dishwasher hookup means you won’t need a separate adapter kit.

Maintenance is minimal by design. The motor is permanently lubricated, so don’t attempt to oil it yourself. Run cold water during grinding, avoid pouring grease down the drain, and pull the removable splash guard out for a rinse when it starts holding odor.

One thing worth flagging: never run lye based or chemical drain cleaners through a line connected to this disposal. They corrode the internal grinding components over time, and that kind of damage typically isn’t covered under warranty.

Daily Use Experience

For the kitchen this is built for, the 10-US-AS-3 does exactly what you’d want. Flip the switch, run water, clear the plate scraps, move on. You’re not waiting on it, and you’re not thinking about it.

Where it asks for a little more patience is with tougher waste. Feed it slowly, in smaller amounts, and it keeps up fine. Dump a full bowl of vegetable trim in at once, and a 1/3 HP motor needs more time and more water than a 3/4 HP unit would to clear the same load.

Warranty

American Standard backs the 10-US-AS-3 with a 5-year manufacturer warranty. For an entry-level 1/3 HP disposal, that’s a solid, straightforward coverage window, and it’s backed further by American Standard’s separate lifetime corrosion warranty for the original purchaser.

For a household buying this as a budget-conscious replacement, that combination adds real peace of mind. You’re not just buying a cheap disposal. You’re buying one with dependable coverage behind it.

American Standard 10-US-AS-3, 1/3 HP Garbage Disposal Pros and Cons

American Standard 10-US-AS-3 vs Similar 1/3 HP Disposals

Feature	American Standard 10-US-AS-3	GE GFC320N	Kraus KWD100-33MBL	Badger 1
Motor Power	1/3 HP	1/3 HP	1/3 HP	1/3 HP
Motor Type	Permanent Magnet	Induction	Permanent Magnet	Induction
Grinding Components	Stainless Steel	Galvanized Steel	Stainless Steel	Galvanized Steel
Design Profile	Slim Line	Standard	Compact	Standard
Anti-Jam Technology	Yes	Limited	Yes	No
Best For	Tight Cabinets, Light Daily Use	Light Kitchen Waste	Balanced Performance	Budget Replacements

Further Reading:
American Standard 10-US-AS-5 1/2 HP Garbage Disposal Review
KRAUS WasteGuard KWD100-33MBL 1/3 HP Garbage Disposal Review
GE GFC320N 1/3 HP Garbage Disposal Review
Waste Maid 10-US-WM-048-3B 1/3 HP Garbage Disposal Review
InSinkErator Badger 1 Garbage Disposal Review

Conclusion

The American Standard 10-US-AS-3 isn’t trying to be a do-everything disposal. It’s built for a specific kitchen: one or two people, light daily cooking, and a cabinet that doesn’t have room to spare.

Inside that lane, it holds up well. Stainless-steel grinding components, an anti-jam Torque Master system, and a slim body that fits where taller units won’t are real advantages at this price point, not marketing filler. The 12-year warranty pushes it further ahead of most budget 1/3 HP competitors, which typically cap coverage well below that.

If your household regularly runs heavier scraps down the drain, step up to the 1/2 HP or 3/4 HP model in the same lineup. But for a straightforward, space-conscious replacement disposal, the 10-US-AS-3 does exactly what it promises.