1935 Hupmobile Tire Fitment Guide

1935 Hupmobile vehicles use three distinct tire sizes, and each one is tied to a specific model. The Hupmobile D uses 600-16, the Hupmobile J uses 650-16, and the Hupmobile T uses 700-16. All three are bias-ply sizes mounted on 16-inch rims. Where rim-width guidance appears, 600-16 fits 4.00 to 4.50-inch rims, 650-16 fits 4.50 to 5.00-inch rims, and 700-16 fits 4.50 to 5.50-inch rims depending on the tire selected.

That makes the first step simple but important: identify the model before focusing on brand or sidewall style. Even though all three sizes share the same rim diameter, they are not interchangeable as a year-wide Hupmobile fitment. Owners comparing products should also verify the actual wheel width on the car, especially if the vehicle has had wheels changed during an earlier restoration.

On a 1935 Hupmobile, 600-16 is a numeric bias-ply tire size. The 6.00 portion refers to the tire's nominal section width in inches, while the 16 indicates the wheel diameter in inches. In the 1935 Hupmobile range, that size belongs to the D model and represents the smallest of the three Hupmobile fitments used that year.

Modern buyers sometimes expect a metric code or an aspect-ratio marking, but prewar American fitments were often expressed in this simpler numeric style. If your car is a Hupmobile D, the next decision is usually visual rather than dimensional, such as blackwall versus wide whitewall. Matching the size code first keeps you from accidentally moving into the wider J or T fitments.

No, 1935 Hupmobile models do not all use the same tire size. The D uses 600-16, the J uses 650-16, and the T uses 700-16, with each size assigned to its own model rather than shared across the full Hupmobile lineup. All three remain bias-ply 16-inch fitments, but the width changes as you move through the model range.

That difference matters because a buyer cannot choose tires for a 1935 Hupmobile by year and make alone. If the car is newly acquired or partially restored, confirm the model designation on the car's identification material and compare it with the wheels currently installed. Sorting out the model first prevents buying a tire that looks plausible on paper but is wrong for the actual Hupmobile you own.

1935 Hupmobile tires are available in both blackwall and wide whitewall styles, depending on size and brand. The 600-16, 650-16, and 700-16 categories each include blackwall choices, and each also includes wide whitewall offerings. That gives owners flexibility whether the goal is a more restrained service look or a stronger prewar luxury-car presentation.

For many restorers, sidewall style is as important visually as brand. A blackwall can suit a more understated period appearance, while a wide whitewall often complements the formal, upscale styling associated with many mid-1930s American cars. If the car will be judged, confirm what is appropriate for your model, body style, and restoration theme before settling on the final appearance.

Several brands cover 1935 Hupmobile fitments. In 600-16, options include BFGoodrich, Coker Classic, Avon, and Firestone. In 650-16, brands include BFGoodrich, Coker Classic, Firestone, and Garfield. In 700-16, available brands include Lester, Avon, BFGoodrich, and Firestone.

Brand choice on a 1935 Hupmobile is usually less about changing size or construction and more about choosing the look and product character that best matches the car. Some owners prioritize a traditional American brand presentation, while others may be drawn to a specific tread or sidewall treatment. Once the correct model-specific size is settled, compare the available brands within that exact size rather than across the whole Hupmobile range.

Within the 1935 Hupmobile 600-16 fitment, BFGoodrich and Firestone both offer bias-ply tires with wide whitewall versions and the same listed load figure of 1400 pounds at 32 psi. Their recommended rim-width range is also the same at 4.00 to 4.50 inches. The Firestone example shown carries a heavier listed weight than the comparable BFGoodrich product, which can matter to restorers comparing construction character and handling feel.

For a Hupmobile D owner, that means the choice is likely to come down to brand preference, sidewall presentation, and how closely you want the finished car to align with your restoration vision. Since both share the same basic dimensional fitment window, it makes sense to compare the exact product version you are considering rather than assuming all 600-16 tires within one brand are identical.

Rim-width guidance for 1935 Hupmobile tires depends on the model-specific size. In 600-16, the listed fitment range is 4.00 to 4.50 inches. In 650-16, the listed range is 4.50 to 5.00 inches. In 700-16, the listed range is 4.50 to 5.50 inches on products where rim-width information appears.

That means a shared 16-inch diameter does not automatically make every wheel suitable for every Hupmobile tire size. Before mounting new tires, measure the actual wheel width or confirm it with a wheel specialist if the rims are original, restored, or swapped from another car. Staying within the proper width range helps preserve the intended tread shape and overall fit on the car.

1935 Hupmobile tires are offered in period-style bias-ply sizes, but inner-tube status should be confirmed on the specific tire selected. The available listings do not present one universal tube marking across every product in all three sizes, so it is wise to treat tube use as product-specific rather than assuming a single answer for every 600-16, 650-16, or 700-16 tire.

That is especially important on a prewar Hupmobile, where wheel design and restoration history can influence whether a tube-type setup is appropriate. Before mounting, verify the tire's sidewall marking and confirm whether the wheel itself is suitable for tube or tubeless service. If tubes are used, include the valve stem and flap details in the setup plan instead of treating them as an afterthought.

Original 1935 Hupmobile wheels can share the same 16-inch rim diameter across the D, J, and T sizes, but that does not mean every wheel is correct for every tire width. The 600-16, 650-16, and 700-16 sizes all mount on 16-inch rims, yet their recommended wheel-width ranges step up as the tire gets wider. Diameter compatibility is shared; width compatibility must still be checked.

For an owner sorting through spare wheels or mixed restoration parts, that distinction matters. A wheel that accepts a 600-16 properly may not be the ideal match for a 700-16 simply because both are 16-inch tires. Confirming the wheel width before mounting helps keep a Hupmobile's stance, steering feel, and tire profile closer to what the size was intended to deliver.

A stored 1935 Hupmobile should be kept away from direct sunlight, electric motors, ozone-producing equipment, and persistent moisture. Tires on collector cars age more from time and environment than from miles, and bias-ply construction is especially prone to flat-spotting when it sits in one position for long periods. Clean, dry floors and stable temperatures help protect both the rubber and the wheel finish.

If the car will sit for an extended season, keep the tires properly inflated and move the car periodically so the same tread area is not carrying the load month after month. Some owners also use stands to reduce static load, but only if the vehicle is supported correctly and safely. A little storage discipline goes a long way with a prewar Hupmobile that may see only occasional use.

Tires on a 1935 Hupmobile should be judged primarily by age and condition rather than mileage. On collector vehicles, a careful evaluation around the five- to seven-year mark is sensible, and replacement often deserves serious consideration as tires approach about ten years from their manufacturing date. The DOT date code and the tire's overall condition tell more than tread depth alone on a low-use car.

That matters because many prewar cars accumulate very few annual miles, making old tires look better than they truly are. Sidewall checking, hardness, repeated air loss, and storage history can all shorten useful service life. Even a beautifully restored Hupmobile benefits from a periodic age-based review so the tire's appearance does not disguise the effects of time.

Tires on a 1935 Hupmobile should be inspected before every drive and again before any longer tour or event. Look for visible cracking, uneven tread wear, cuts, bulges, damage near the bead, and any sign that the tire has not been holding pressure consistently. On cars using a tube-type arrangement, the valve stem area and related hardware deserve close attention as well.

Frequent inspection is especially useful on collector cars because they often sit for long periods between outings, and deterioration can happen silently. A brief walk-around before driving can catch a problem before it strands the car or damages a rare wheel. Include the spare in the same routine, since an old spare on a 1935 Hupmobile may be just as aged as the tires on the ground.

A 1935 Hupmobile D would have been fitted in keeping with prewar practice, which means bias-ply construction is the appropriate starting point. The D uses the 600-16 size within the 1935 Hupmobile range, while the larger J and T move to wider numeric sizes. That combination of model-specific width and period-correct construction is the key point for restoration accuracy.

Owners seeking exact market or body-style authenticity should confirm finer details such as sidewall presentation through Hupmobile literature, marque specialists, and period photography. Original-equipment branding can vary by market and dealer history, so it is better to verify those details separately than assume one tire brand was universal. For most restorations, getting the correct 600-16 bias-ply fitment on a D is the essential first move.

Correct tire fitment matters on a 1935 Hupmobile because judges and knowledgeable enthusiasts often notice tire size, construction type, and sidewall style quickly. A D shown on 700-16 tires, or a T shown on 600-16 tires, would stand out as incorrect within the 1935 Hupmobile model range. On a prewar car, visual cues such as blackwall versus wide whitewall can also affect how authentic the finished restoration appears.

For owners preparing a show car, tire choice should match the model first and the event standard second. Some judging environments emphasize broad period correctness, while others reward highly specific restoration details. Checking with Hupmobile clubs and the rules of the event you plan to enter will help you decide how exact the final tire presentation needs to be.

In the 1935 Hupmobile 700-16 fitment, BFGoodrich and Firestone both offer bias-ply options on 16-inch rims with a listed rim-width range of 4.50 to 5.50 inches. Their load and pressure figures differ slightly in the examples shown, with BFGoodrich listed at 1900 pounds at 36 psi and Firestone listed at 1800 pounds at 36 psi. Firestone is represented with a wide whitewall version, while BFGoodrich appears in blackwall form here.

That makes the choice relevant not only mechanically but visually for a Hupmobile T restoration. A blackwall can create a more restrained period look, while a wide whitewall can give the car a more formal, upscale appearance. If authenticity is the goal, compare the exact sidewall treatment you want against period photos and club guidance rather than focusing only on the size code.

1935 Hupmobile tires can be suitable for highway use when they are the correct size, properly mounted, correctly inflated, and in sound condition. The available fitments here are all bias-ply, and some products carry explicit speed markings, including H-rated examples in 600-16 with a 130 mph ceiling and L-rated examples in 700-16 with a 75 mph ceiling. Those markings describe the tire, but a prewar Hupmobile's brakes, suspension, steering, and overall age usually deserve equal or greater respect in real-world driving.

Practical highway safety comes down to using the right tire for the model and keeping speeds aligned with the car's overall condition rather than chasing the highest letter rating. A carefully sorted Hupmobile on fresh, properly chosen tires can be enjoyable on modern roads, but it should still be driven with the habits appropriate to a 1930s automobile. Treat tire condition as one part of the larger roadworthiness picture.

Inflation pressure on 1935 Hupmobile tires should follow the vehicle's factory guidance where available and the specific tire's own rated information where it is listed. Examples in these sizes include 600-16 tires rated at 1400 pounds at 32 psi, 650-16 tires rated at 1580 pounds at 32 psi, and 700-16 tires rated at 1800 or 1900 pounds at 36 psi depending on the product. Those figures should not be transferred casually from one size to another.

The safest approach is to match pressure decisions to the exact size and tire model on the car, then compare that with the period recommendations for the Hupmobile itself. Running one universal pressure across all three Hupmobile models ignores the differences between D, J, and T fitments. If the car is newly restored, recheck pressure after initial driving and again after the tires have settled into service.

Before a longer drive in a 1935 Hupmobile, inspect each tire for cracks, tread separation, cuts, bulges, and uneven wear, then confirm that all tires are holding the intended pressure. Check the valve stems closely, and include the spare tire in the inspection so it is not forgotten until the moment it is needed. The wheel and lug hardware should also be reviewed as part of the tire-related preparation.

A prewar Hupmobile also deserves a broader mechanical once-over before distance driving, including brakes, cooling, steering, and fuel-system condition. Tire inspection is simply the most visible part of that routine, and it is one of the easiest areas to evaluate before departure. Giving the car a careful pre-drive check reduces the chance that an enjoyable tour turns into preventable roadside trouble.