Kegerator Caster Mounting Plate: Sizes and Fit

What a caster mounting plate is

A caster mounting plate is the flat bracket that sits between a caster wheel and the bottom of a kegerator cabinet. On a listing it may appear as "mounting plate," "caster bracket," "wheel plate," or "base plate." The plate is what transfers the weight of the cabinet to the wheel, so its size and hole positions have to line up with the holes already drilled in the cabinet base.

When you read a kegerator listing, the caster is usually described by wheel diameter and material. The mounting plate is a separate detail. Some listings give the plate dimensions in the bullet list; others only name the plate as an included component. If the plate is not described, the listing is not telling you whether a replacement will fit.

For a closer look at the different wheel designs and how they attach, see kegerator caster wheel types and kegerator caster wheel replacement.

Plate size and bolt pattern: what the words mean

Two sets of numbers matter on a mounting plate listing. The first is the overall plate size, stated as length and width in inches. The second is the bolt pattern, which is the distance between the mounting holes measured center to center. A listing may state the pattern as a pair of numbers, for example the holes are spaced so many inches apart in each direction, or it may give the hole count and the spacing.

The bolt hole diameter is the third detail. It tells you what fastener size the plate accepts. If the listing states the hole diameter and the spacing, you can compare those against the plate on your unit. If the listing gives only the plate size, you still do not know whether the holes align.

None of these numbers is standardized across makers. A plate that fits one 24 inch cabinet may not fit another 24 inch cabinet from a different maker, because the hole pattern is chosen by the manufacturer. That is why the stated bolt pattern matters more than the cabinet width. The wheel diameter itself is covered in kegerator caster wheel diameter.

Reading a mounting plate listing

Look for the plate dimensions in the bullet list, not only in the product title. A title might say "caster with mounting plate" and stop there. The bullet list is where the length, width, hole spacing, and hole diameter usually appear.

When a listing does not state the bolt pattern, treat the part as unconfirmed. You can still buy it if you are willing to ask the seller for the dimensions, but the listing itself is not enough to know fit.

Compare the stated details against the plate on your kegerator. Measure the existing plate or read the model code of your unit and search for the replacement part named by the maker. A maker that sells commercial refrigeration often lists the mounting plate as a service part, which is how you confirm the fit. Some brands, like Atosa, list parts and resources on their site for the commercial units they sell. If the plate includes a locking feature, see kegerator caster lock brakes for what the words mean.

Commercial versus home plates

Commercial kegerator listings tend to state more service details, because the buyer is a venue that expects to replace parts. Home listings are more likely to say "caster included" without a plate size. That difference is not a quality claim; it is a difference in what the listing states.

If you are replacing a plate on a commercial unit, look for the maker's parts page. Atosa, for example, has a parts section for its commercial refrigeration line. If you are replacing a plate on a home unit, check whether the maker, such as VEVOR for its kegerator lines, states the plate dimensions in the listing. For those brands, you can compare details across the best commercial kegerators and best VEVOR kegerators guides.

Beware of a listing that says the plate is "universal." Universal is a marketing word, not a measured claim. The listing must still state the hole pattern for you to confirm fit.

How cabinet type relates to the plate

Undercounter and full size cabinets have different base constructions, so the mounting plate for one is not necessarily the plate for the other. A plate made for an undercounter unit may be shorter because the cabinet has less depth. A plate for a full size unit may be longer to hold two wheels on one bracket.

The tap count and the width of the cabinet do not tell you the plate size. A 24 inch cabinet can have several different plates depending on the maker and the model line. The only reliable way to match a replacement is to compare the stated plate dimensions and bolt pattern against the plate on your unit.

For a commercial kegerator, the plate is usually a service part with a maker part number. For a home kegerator, the plate may be sold only as part of a caster set. That affects how you search for a replacement.

Checklist before buying a replacement plate

Before you order a mounting plate, read the listing for four details: the plate length, the plate width, the bolt hole spacing, and the bolt hole diameter. If any of the four is missing, the listing is incomplete for a fit decision.

Then decide what you are willing to accept. If the listing names a maker and a model line that matches your unit, the part is likely the right one. If the listing gives no maker and no dimensions, you cannot confirm fit from the listing alone.

In general terms, a replacement plate is easiest to verify when the listing states the bolt pattern in inches. Without that statement, the listing is only telling you that a plate exists, not that it fits your cabinet.

What to pick for your situation

Questions

What is a caster mounting plate on a kegerator?

It is the flat bracket that connects a caster wheel to the bottom of the cabinet. It carries the weight of the unit and has holes for the bolts that hold it to the cabinet base.

What does bolt pattern mean on a mounting plate listing?

Bolt pattern refers to the distance between the mounting holes, measured center to center. It is the key detail for matching a replacement plate to your cabinet.

Why does one plate not fit every kegerator?

Makers choose the plate size and hole spacing for each model line. Two cabinets with the same width can have different mounting holes, so the plate must match the holes on your unit.

What do I do if a listing does not state the plate dimensions?

Treat the part as unconfirmed and ask the seller for the plate length, width, and bolt hole spacing before ordering.

Does cabinet width tell me the plate size?

No. The cabinet width does not determine the mounting plate dimensions. Only the stated plate size and bolt pattern can confirm fit.

Are commercial mounting plates different from home plates?

Commercial listings often name a maker part number because replacement parts are expected. Home listings may not state the plate dimensions. The plate itself is not inherently different; the listing information is what differs.