Pony Keg Size, Dimensions & Capacity Guide
Posted by Ron on 8th Sep 2026
A pony keg is a common name for a quarter barrel keg, one of the most practical sizes for professionals and homebrewers. It holds more than a Corny keg while taking up less space than a half barrel, making it a useful option for storing and dispensing kegged beer.
Pony Keg Quick Answer
- Capacity: 7.75 US gal / 29.3 L
- Servings: About 82 (12 oz) / 62 (16 oz)
- Full weight: Approximately 87 lb
- Dimensions: Slim: 23 3/8" H × 11 1/8" diameter; Stubby: 13 7/8" H × 16 1/8" diameter
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What Is a Pony Keg?
In North America, the term pony keg usually means a quarter barrel keg. In some retail markets, however, the same name may be used for a much smaller 5-liter mini keg. These are different containers, so it is worth checking the stated capacity instead of relying on the name alone. Whether a 5-liter keg can be refilled depends on its design and manufacturer.
A North American pony keg holds 7.75 US gallons, or 29.3 liters. It is a reusable commercial-style keg that can be tapped with a coupler matched to its valve.
When it comes to Corny keg vs. pony keg, it’s all about the size. Corny kegs are lighter and easier to move, but 5 gallons might not always be enough.
What Are the Dimensions and Capacity of the Pony Keg?
Quarter barrel kegs come in two varieties: the shorter, wider stubby quarter and the taller, narrower slim quarter. Both hold the same volume, but their different dimensions matter when choosing storage space or a kegerator.
Both varieties weigh approximately 87 lb when full. That weight can still be difficult for one person to manage safely.
The stubby quarter is often considered easier to handle than the tall quarter, mainly because you can easily stack the stubby quarter kegs on top of each other. The downside is that you can only tap one keg at a time.
Here are the dimensions of quarter barrel kegs:
- Stubby quarter: 13 7/8" high × 16 1/8" diameter
- Slim quarter: 23 3/8" high × 11 1/8" diameter
So, how many beers are in a pony keg? A standard quarter barrel holds 7.75 US gallons, or 29.3 liters. That provides about 82 twelve-ounce servings.
A pony keg contains 992 US fluid ounces, equal to 62 sixteen-ounce servings. The actual number of glasses poured may be slightly lower because of foam or normal serving loss.
For a complete comparison of common keg capacities and measurements, see our beer keg sizes guide.
Here is a keg comparison chart.
| Keg name | Size (US gal) |
Size (liters) |
No. of 12 fl oz drinks | No. of 16 fl oz drinks | Weight of full keg (lbs) |
|---|---|---|---|---|---|
| Eighth barrel | 3.875 | 14.67 | 41.3 | 31 | - |
| Corny keg | 5 | 18.9 | 53 | 40 | 55–60 |
| Sixth barrel | 5.16 | 19.5 | 55 | 41 | 58–60 |
| Quarter barrel | 7.75 | 29.3 | 82 | 62 | Approx. 87 |
| Half barrel (full keg) | 15.5 | 58.66 | 165.3 | 124 | 140–170 |
How to Choose a Pony Keg?
If you have found a solid quarter barrel keg for sale and you are wondering whether it’s the right model for you, there are factors you’ll want to consider.
There are two basic varieties of a quarter barrel keg: the standard stubby quarter and the slim quarter. Both hold the same amount of beer, but their shapes suit different spaces and dispensing setups.
Stubby Quarter
The shorter and stubbier of the two, the standard quarter barrel keg is a great choice for small-scale parties. Another great thing about this type is that you can stack pony kegs on top of each other, which makes them a convenient option for limited storage spaces. However, when stacked, only one keg can be tapped at a time.
Slim Quarter
The taller and narrower slim quarter can work well in dual- and triple-tap kegerators, allowing you to serve different beverages from one unit. Some single-tap kegerators with larger cabinets can also hold this type of keg.
Before choosing a kegerator, check the cabinet width, depth, internal height, and compressor hump against the keg dimensions. Allow room above the keg for the connected coupler, fittings, and hoses. This commonly requires about 3–5 additional inches, although the exact clearance depends on the hardware. A low-profile coupler can help where headroom is limited.
How to Use a Pony Keg?
Tapping a pony keg is similar to tapping another Sanke keg, but the coupler or pump must match the keg valve. You can use a beer keg party pump for a short outdoor event or connect the keg to a draft beer dispensing system with a kegerator sized for a quarter barrel.
The low-profile pony keg pump shown here uses a D-type connection. Confirm that your keg has a D-system valve before attaching it. If it uses another valve type, choose the matching keg coupler or pump.
Create a base of ice at the bottom of the bag before inserting the keg
Fill the rest of the bag with ice and pack it around the sides of the keg
Align the pump tabs with the slots on the keg valve, insert the pump, and turn it clockwise until it locks securely in place.
Pull out on the handle and push it down to tap the keg. Once the keg pump is in place, close the zipper around the pump to trap in the cold.
Tap the keg and test the pour before pumping. Add only enough pressure to maintain a steady flow. Depending on how long the keg was allowed to settle, the first pour may contain extra foam. A 16-ounce cup should generally fill in about six to eight seconds.
A party pump pushes outside air into the keg rather than using food-grade CO2. Once air has been introduced, plan to serve the beer the same day and keep the keg cold throughout the event.
Need a kegerator for your pony keg?
Browse BeverageCraft's home & commercial kegerators sized to fit quarter barrel kegs.
How Much Does an Empty Pony Keg Cost?
The price of an empty pony keg depends on the manufacturer, construction, keg fitting, branding options, and current availability. Because prices can change, check the product page for the current price rather than relying on a fixed range.
If you are looking to buy quarter barrel kegs, you can easily get them from BeverageCraft. We offer a wide range of draft beer equipment and accessories, including a kegerator for sale, keg couplers for sale, keg accessories, and even beer line cleaner.
BeverageCraft sells empty reusable kegs for breweries, bars, restaurants, homebrewers, and draft beer systems in Canada and the USA. Browse our empty stainless steel kegs, or read the Keg Cost guide to compare approximate prices for different empty keg sizes.