1906 Oldsmobile Tire Fitment Guide

1906 Oldsmobile vehicles use five distinct tire sizes: 28X3 for the Model B, 30X3.5 and 30X4 for the Model L, and 32X3.5 and 32X4 for the Model S. These are antique diameter-by-section sizes, and they do not represent one shared fitment across the full 1906 Oldsmobile range. Rim diameters also vary by size where listed, including 23-inch rims for 30X3.5, 24-inch rims for 30X4 and 32X4, 25-inch rims for 32X3.5, and 22-inch rims for 28X3.

That variation matters because an early Oldsmobile owner cannot safely choose by year and make alone. Start by confirming the exact model and then compare the actual wheel on the car to the correct size family before selecting a tire. On Model L and Model S cars in particular, two different sizes may appear within the same model year, so restoration history and wheel hardware should both be checked before moving forward.

On a 1906 Oldsmobile, 28X3 is an antique tire size format rather than a modern metric or later numeric code. The first number refers to a nominal overall tire diameter of 28 inches, while the second number refers to a nominal section width of 3 inches. In this year and make, 28X3 is a bias-ply size associated with the Model B and it mounts on a 22-inch rim.

That means the code describes the tire’s outside dimensions first, which is typical of very early motoring practice. A buyer used to later 6.00-16 or 205/75R15 sizing should not assume the final number is wheel diameter on a brass-era tire. When matching 28X3 for a 1906 Oldsmobile Model B, confirm both the wheel style and the actual model so the tire remains true to the smaller runabout configuration.

No, 1906 Oldsmobile models do not all use the same tire size. The Model B uses 28X3, the Model L uses either 30X3.5 or 30X4, and the Model S uses either 32X3.5 or 32X4. Those differences reflect the reality of brass-era vehicle design, where changes in chassis size and wheel hardware could produce noticeably different tire requirements within one make’s lineup.

For a buyer, that means identifying the model is the first step, and on the Model L and Model S it is wise to verify the actual wheel before choosing between the two sizes shown for that model. Early cars are often restored over long periods, and wheel swaps can happen. Matching the tire to the exact car and wheel combination is more important than relying on the year alone.

1906 Oldsmobile tires are available in both Blackwall and All White sidewall styles, depending on size. The 28X3 offerings include both All White and Blackwall, 30X3.5 includes both styles, and 32X4 also includes both. Those choices reflect the visual character expected of brass-era cars, where sidewall appearance plays a major role in how authentic the finished car looks.

A Blackwall tire generally suits owners aiming for a more restrained, workmanlike early-automobile look, while an All White version creates a brighter period presentation that many brass-era restorers prefer. The correct look can vary by restoration theme, event standards, and the exact way the car is being presented. If show authenticity matters, compare the sidewall style to period photos or consult a marque specialist before making the final selection.

Tires for 1906 Oldsmobile vehicles are available from Universal Vintage Tire, Firestone, BFGoodrich, and Lester, depending on the size. Universal Vintage Tire appears in 28X3 and 30X3.5, Firestone appears in 30X3.5 and 32X4, and BFGoodrich and Lester appear in 32X4. All currently listed offerings for this year and make are bias-ply tires, which is appropriate to the brass-era design of these cars.

Brand choice on an early Oldsmobile often comes down to the exact size you need and the visual style you want rather than one brand spanning the full lineup. Some buyers focus on period-style tread and sidewall presentation, while others compare details such as listed load rating or series character within the correct size. Once the model and size are confirmed, it becomes much easier to narrow the field to the products that suit the car’s restoration goal.

For a 1906 Oldsmobile using 30X3.5, Firestone Clincher and Universal T-Driver are both bias-ply options, but they are presented differently. The Firestone Clincher versions are identified as clincher or beaded-edge style tires and list a maximum load capacity of 800 pounds at 65 psi, while the Universal T-Driver is a brass-era bias-ply offering in Blackwall form. One Firestone Clincher listing also specifies a 2.025-inch rim width.

That makes the choice less about changing vehicle fitment and more about matching the tire to the wheel style and restoration goal of a Model L. A clincher-style product may be especially relevant for owners working with early wheel hardware that calls for that construction detail, while the Universal T-Driver offers another period-appropriate path in the same nominal size. Confirm the wheel type first, then compare the tire’s visual character and specifications.

Rim width information is very limited across 1906 Oldsmobile tire offerings, but one 30X3.5 Firestone Clincher specification lists a 2.025-inch rim width. Rim diameters vary more clearly by size, including 22 inches for 28X3, 23 inches for 30X3.5, 24 inches for 30X4 and 32X4, and 25 inches for 32X3.5. Because these are brass-era fitments, the wheel itself is just as important as the tire size code.

That means the best practice is to inspect the existing wheel and compare it to the exact tire being considered rather than assuming a common width across all 1906 Oldsmobile models. If your Model L or Model S could have been fitted with more than one size, measuring the wheel becomes especially important. A marque specialist or experienced early-car restorer can help confirm wheel style and compatibility before the tire is selected.

Original 1906 Oldsmobile wheels cannot be treated as interchangeable across all five tire sizes because the sizes do not all share the same rim diameter. The Model B’s 28X3 uses a 22-inch rim, the Model L’s 30X3.5 uses a 23-inch rim and 30X4 uses a 24-inch rim, while the Model S uses either a 25-inch rim for 32X3.5 or a 24-inch rim for 32X4. That makes wheel confirmation a fundamental part of fitment on this year and make.

A buyer should think of the wheel and tire as a matched brass-era system, not as separate modern-style components that can be mixed casually. Even within the same model, a different wheel can point to a different correct tire size. Before choosing a tire for a 1906 Oldsmobile, verify the actual wheel dimensions and hardware on the car so the selected size matches the vehicle as restored or preserved.

A 1906 Oldsmobile should be stored in a cool, dry, dark space away from direct sunlight, electric motors, battery chargers, welders, and other ozone-producing equipment that can accelerate sidewall aging. Bias-ply brass-era tires are especially susceptible to flat-spotting when left in one position for long periods. Clean floors, stable temperature, and protection from moisture all help preserve both the tire casing and the wheel hardware.

For longer storage, move the car periodically or use stands in a way that follows the restorer’s preferred support method for the chassis and wheels. Keep inflation checked so the tire is not sitting partially deflated, and avoid long-term contact with oil or solvent residue. A well-stored 1906 Oldsmobile tire will usually age more gracefully and remain more presentable for both touring and show use.

Tires on a 1906 Oldsmobile should be judged more by age and condition than by miles driven. Collector-car tires often spend long periods in storage, so a tire can look lightly worn yet still be aging internally. A sensible rule is to evaluate them closely once they reach the five- to seven-year range and to treat around ten years as a point where replacement deserves serious consideration, regardless of tread depth.

Check the tire’s manufacturing date if available, and inspect for sidewall cracking, hardening, separation, or signs that the casing no longer holds shape consistently. Early-car use is often occasional, which makes age-related deterioration easy to overlook. If the car is driven on tours or public roads, age management is more important than waiting for visible tread wear to force the decision.

Tires on a 1906 Oldsmobile should be inspected before every drive and again before any longer outing or event. On a brass-era bias-ply tire, the inspection should include sidewall cracking, cuts, bulges, tread separation, uneven wear, and stable inflation. Because these early cars often spend time parked between uses, changes can develop gradually and then appear all at once when the car returns to service.

The inspection should also include the valve area, the wheel itself, and the spare if the car carries one. A tire that looked acceptable at the last event may have aged noticeably after a season of storage, especially in warm or ozone-rich conditions. Building a pre-drive inspection habit is one of the simplest ways to protect both the car and the people riding in it.

The 1906 Oldsmobile Model B used a 28X3 bias-ply tire in the brass-era diameter-by-section format. That construction style is historically consistent with the period, when bias-ply and related early tire forms were standard and modern radial construction had not yet entered passenger-car use. Sidewall appearance on surviving or restored brass-era cars can vary, so the most important starting point is matching the correct size and period construction.

For restoration work, that means staying with 28X3 and choosing a sidewall style that suits the way the car will be shown or interpreted. If the goal is maximum historical accuracy for a specific market or event, consult period photos, club resources, and brass-era Oldsmobile specialists before settling on the final visual treatment. The size and construction matter first, and the sidewall finish refines the presentation.

Correct tire fitment matters greatly when showing a 1906 Oldsmobile because brass-era presentation is judged as a complete visual and mechanical package. Size, construction type, and sidewall appearance can all affect how authentic the car looks, and using a tire that belongs to a different model in the 1906 Oldsmobile range would be an obvious mismatch. On an early car, tire profile and overall diameter are highly visible parts of the restoration.

A show-focused owner should first match the proper model-specific size, then consider whether the sidewall style and tread character align with the standard expected by the event. Some venues place more emphasis on broad period correctness, while others reward very fine details. If judging standards are strict, use marque clubs and event guidelines to confirm what is acceptable before the car appears on the field.

For a 1906 Oldsmobile using 32X4, BFGoodrich Silvertown Cord and Lester are both bias-ply options with a 24-inch rim diameter. The BFGoodrich Silvertown Cord lists a maximum load capacity of 1000 pounds at 60 psi and a weight of 31 pounds, while the Lester listing is a Lester Classic Bias Ply in Blackwall form at the same 31-pound weight. Both fit within the same basic size family used on the Model S.

That means the comparison is mainly about the specific series character, branding, and details that matter to the way a Model S is being restored or presented. A buyer comparing these two should look at the visual style, any load information provided, and how the tire aligns with the car’s restoration theme. When authenticity is the priority, the exact look of the finished tire can matter almost as much as the nominal size.

1906 Oldsmobile tires are brass-era bias-ply tires, and no speed ratings are shown for the sizes listed here. That means highway use should be approached with respect for the limitations of both the tire construction and the vehicle itself. On a car from 1906, overall mechanical condition, braking capability, steering play, road surface, and wheel integrity are often just as important as the tire when judging whether longer or faster driving is appropriate.

A well-prepared early Oldsmobile can certainly be driven, but it should be operated within the realities of brass-era motoring rather than modern traffic expectations. Keep speeds reasonable, inspect the tires carefully before departure, and avoid treating a reproduction bias-ply tire as if it were a modern high-speed radial. The safer approach is to match your route and pace to the age and design of the entire car.

Inflation pressure on a 1906 Oldsmobile depends on the exact tire size and product chosen. Some listed products provide load-and-pressure figures, including 30X3.5 Firestone Clincher tires at 800 pounds at 65 psi, 32X4 BFGoodrich Silvertown Cord at 1000 pounds at 60 psi, and 32X4 Firestone High Pressure tires at 1051 pounds at 60 psi. Those figures describe the tire’s rated capability and should not be transferred from one size to another.

Use the vehicle’s original guidance where available as the first reference for operating pressure, then compare it to the specifications of the exact reproduction tire you are considering. A 28X3, 30X3.5, and 32X4 should not be treated as if they share one universal inflation number. Matching pressure to the actual tire and the car’s intended use is the right way to protect ride quality, casing life, and safe operation.

Before a longer drive in a 1906 Oldsmobile, inspect each tire for visible cracking, cuts, bulges, loose tread areas, and stable inflation. Look closely at the valve area, the wheel and rim condition, and the spare if one is carried, since a weak spare is little help on a touring event. Because these are early bias-ply tires, any sign of casing distress deserves attention before the car goes back on the road.

The tires are only one part of the pre-drive routine on a brass-era car, so they should be checked alongside wheel security, steering, brakes, lubrication, and fuel-system readiness. Early Oldsmobiles reward deliberate preparation, and tire condition is a major part of that process because failures can be more disruptive on an antique chassis than on a later car. A careful inspection before departure is time well spent.