1909 Studebaker Model D Tires

The 1909 Studebaker Model D comes from the brass-era period, when automotive design was still closely tied to carriage practice and tire fitment looked very different from later collector cars. Owners of these early Studebakers usually focus as much on proper stance and authentic road-going appearance as they do on simple replacement. The 1909 Studebaker Model D uses a 34X4 bias-ply tire in an antique inch beaded-edge style. Within that size, there are still meaningful choices in brand, tire series, and sidewall presentation, including blackwall, wide whitewall, and all-white treatments. For a restoration-minded car, the right decision starts with preserving the correct early tire format and confirming the wheel setup before road use.

Which Tire Size Is Right for The 1909 Studebaker Model D

The 1909 Studebaker Model D uses one primary tire size: 34X4. It is a bias-ply antique inch beaded-edge style tire, and the available products for this size are built for a 26-inch rim. Since the Standard sub-model uses this same size, the main decision is not which primary size fits, but which brand, sidewall style, and restoration-oriented tire presentation best suits the car.

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34X4Antique diameter-by-section
Fit(s): Standard
Construction: Bias PlyRim: 26 in

A 34X4 size uses the older diameter-by-section naming system, where 34 refers to the approximate overall tire diameter in inches and 4 refers to the nominal section width. On the 1909 Studebaker Model D, this is a bias-ply beaded-edge style fitment that matches the character of a brass-era automobile. Available choices include Michelin, BFGoodrich, Firestone, and Universal Vintage Tire, with blackwall, wide whitewall, and all-white sidewall treatments appearing in this size. Choosing among them usually comes down to restoration appearance, brand preference, and confirming that the tire matches the vehicle's existing wheel setup.

Explore 34X4 Tires

1909 Studebaker Model D Sub-Model Tires

Tire fitment is straightforward for the covered 1909 Studebaker Model D sub-models. The Standard model uses the same primary tire size, so the focus stays on selecting the right tire style and confirming proper early-wheel compatibility rather than sorting between multiple fitment sizes.

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1909 Studebaker Model D Standard

The 1909 Studebaker Model D Standard uses the 34X4 bias-ply antique inch beaded-edge style tire. That keeps selection centered on period-style appearance, available sidewall treatments, and making sure the car still has the correct wheel arrangement for this early tire format.

Associated Tire Sizes
  • 34X4 — Bias Ply · 26 in

Important Fitment Notes

The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:

  • Wheel modifications (wider rims, offset changes, aftermarket wheels)
  • Suspension changes (lowering, lift kits, spring replacements)
  • Body alterations (fender modifications, custom bodywork)

If your vehicle has been modified from factory specifications, verify tire clearance before purchase.

Best 1909 Studebaker Model D Tires for Sale

Available 34X4 choices span Michelin, BFGoodrich, Firestone, and Universal Vintage Tire, with several brass-era series and sidewall treatments represented. Buyers can compare blackwall, wide whitewall, and all-white presentations while staying within the correct bias-ply antique format.

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Bias Ply

Michelin Milltown RU | 34x4 (26)

Michelin - Milltown

SIDEWALLBlackwall
RIM DIAMETER26 in
RIM WIDTH—
WEIGHT30 lb
MAX LOAD—
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Brass Era

BFGoodrich Cord 2.125 Inch Whitewall | 34x4

BFGoodrich - Silvertown Cord

SIDEWALLWide Whitewall
RIM DIAMETER26 in
RIM WIDTH—
WEIGHT26 lb
MAX LOAD—
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Brass Era

Firestone Non Skid | All Black | 34X4

Firestone - Firestone High Pressure

SIDEWALLBlackwall
RIM DIAMETER26 in
RIM WIDTH—
WEIGHT26 lb
MAX LOAD1102@60 psi
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Brass Era

Universal | Blackwall | 34x4

Universal Vintage Tire - Universal Classic Bias Ply

SIDEWALLBlackwall
RIM DIAMETER26 in
RIM WIDTH—
WEIGHT21 lb
MAX LOAD—
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Brass Era

Goodrich Silvertown Cord | 34x4

BFGoodrich - Silvertown Cord

SIDEWALLBlackwall
RIM DIAMETER26 in
RIM WIDTH—
WEIGHT26 lb
MAX LOAD1000@60 psi
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Brass Era

Firestone Non Skid | All White | 34X4

Firestone - Firestone High Pressure

SIDEWALLAll White
RIM DIAMETER26 in
RIM WIDTH—
WEIGHT18 lb
MAX LOAD1102@60 psi
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Frequently Asked Questions

Tire questions for the 1909 Studebaker Model D usually center on the 34X4 size, its early beaded-edge format, restoration-minded appearance choices, and the wheel and condition checks that matter before putting a brass-era car back on the road.

Tire Size & Fitment

What tire size fits a 1909 Studebaker Model D?

The 1909 Studebaker Model D uses a 34X4 bias-ply tire. This is an antique inch beaded-edge style size rather than a later numeric bias-ply or modern radial format, so the size designation reflects an early tire system used on brass-era automobiles.

That makes the real fitment question less about choosing between multiple sizes and more about confirming that the car still has the proper wheel setup for a 34X4 beaded-edge tire. On an early Studebaker, wheel type, overall condition, and restoration goals all matter before selecting among the available blackwall, whitewall, or brand options.

What size rim does a 1909 Studebaker Model D use?

The available 34X4 tires for the 1909 Studebaker Model D are built for a 26-inch rim. That is typical of this early diameter-by-section style, where the tire size code does not mirror the rim diameter the way later tire formats often do.

A buyer should confirm the actual wheel on the car before ordering, especially on a brass-era vehicle that may have seen restoration work or wheel changes over the years. Matching the correct 26-inch rim setup is essential, because a 34X4 tire and its beaded-edge wheel arrangement are much more specialized than later clincher or drop-center wheel applications.

Does the 1909 Studebaker Model D Standard use the same tire size?

Yes. The 1909 Studebaker Model D Standard uses the same 34X4 bias-ply tire size as the covered Model D fitment. There is no separate primary tire size to sort through for this sub-model, which keeps fitment relatively straightforward.

That means tire selection usually comes down to the kind of presentation you want the car to have once the size is confirmed. For a restoration-minded Standard model, the next step is comparing available series, brands, and sidewall styles while also checking that the wheels and overall condition of the running gear are suitable for road use.

Choosing the Right Tire

What should I consider when choosing a 34X4 tire for a 1909 Studebaker Model D?

Start with the correct 34X4 size and the proper brass-era bias-ply beaded-edge format. After that, the main differences are brand, tire series, sidewall style, and product characteristics such as stated load figures where available, all while staying within the correct visual and structural type for the car.

A careful choice depends on how the Studebaker will be used and presented. A car aimed at formal restoration may call for one appearance, while a tour-driven vehicle may lead you toward another. It also helps to verify the wheels, inspect their condition, and compare the available tire presentation against the car's finish and restoration level.

What sidewall styles are available for 1909 Studebaker Model D tires?

The 34X4 tires available for the 1909 Studebaker Model D include blackwall, wide whitewall, and all-white sidewall treatments. Those options give the car noticeably different visual character even when the underlying size and bias-ply construction remain the same.

Choosing a sidewall style is largely an appearance decision, especially on a brass-era automobile where tire presentation contributes strongly to the finished look. Blackwall often gives a more understated period feel, while whitewall or all-white treatments create a brighter visual accent. For exact restoration work, compare the tire appearance with trustworthy period references for the specific car.

What brands offer tires for the 1909 Studebaker Model D?

The 1909 Studebaker Model D has 34X4 tire options from Michelin, BFGoodrich, Firestone, and Universal Vintage Tire. Those choices appear across several brass-era style series, including Milltown, Silvertown Cord, Firestone High Pressure, and Universal Classic Bias Ply.

Brand choice should be considered alongside the rest of the tire's character rather than in isolation. A buyer may prefer one sidewall style, one series name, or one presentation that better suits the car's restoration direction. Once the 34X4 size and proper wheel setup are confirmed, the best comparison points are appearance, construction style, and any useful published specifications.

Restoration & Appearance

Which tire should I choose for a period-style 1909 Studebaker Model D?

A period-style 1909 Studebaker Model D should stay with the 34X4 bias-ply antique inch beaded-edge format. That preserves the early visual proportions and construction style that suit a brass-era Studebaker far better than trying to force a later tire type into the car's presentation.

Within that correct format, the right choice depends on how authentic or dramatic you want the finished look to be. Blackwall, wide whitewall, and all-white treatments can all change the car's visual balance. When exact originality matters, compare the intended tire appearance against marque references, historic photos, and restoration documentation for the specific vehicle.

Does correct tire fitment matter for a 1909 Studebaker Model D restoration?

Yes, correct tire fitment matters a great deal on a 1909 Studebaker Model D because the tire is a major part of both the car's stance and its mechanical authenticity. A 34X4 beaded-edge bias-ply tire supports the early appearance and wheel relationship expected on a brass-era vehicle.

Getting the size and wheel type right also affects how convincingly the restoration comes together from fender line to road stance. Even small appearance differences can stand out on an early car. Along with visual accuracy, proper fitment helps avoid mismatches between the tire and the wheel setup that could complicate mounting or safe operation.

Fitment, Maintenance & Road Use

Can modifications affect tire fitment on a 1909 Studebaker Model D?

Yes. Any wheel, hub, brake, or suspension-related modification can affect tire fitment on a 1909 Studebaker Model D, especially because this car uses a specialized 34X4 beaded-edge style tire rather than a later, more forgiving fitment format. Even restoration-era substitutions can matter on an early vehicle.

A Studebaker that has had wheel changes, replacement rims, or chassis work should be measured and inspected carefully before new tires are selected. Clearance to the body and steering components still matters, but so does confirming that the wheel itself is the correct type for the tire. On brass-era cars, wheel compatibility is every bit as important as nominal tire size.

What should I inspect before driving a 1909 Studebaker Model D on new tires?

Before driving a 1909 Studebaker Model D on new tires, inspect the wheels, mounting surfaces, valve hardware, and the general condition of the steering and suspension. The new 34X4 tires should also be checked for proper seating and inflation, with special attention paid to the car's early wheel and tire arrangement.

A brass-era car should also be looked over for age-related issues that can affect safe road use even when the tires are fresh. Loose spokes, wheel damage, worn steering components, and neglected bearings can all undermine the benefit of new tires. A short, careful test drive followed by another inspection is a sensible way to confirm everything is settling properly.

How should 34X4 tires on a collector 1909 Studebaker Model D be maintained?

Maintain 34X4 tires on a collector 1909 Studebaker Model D by keeping them properly inflated, inspecting them regularly for cracking, cuts, bulges, and air loss, and storing the car in a clean, dry environment away from prolonged heat and sunlight. Low annual mileage does not eliminate the need for routine tire checks.

Collector cars often sit for extended periods, so tire age and storage conditions become just as important as tread appearance. Moving the car periodically, checking wheel condition, and watching for signs of uneven loading can help preserve both the tire and the early chassis. Before any longer outing, a close inspection is a smart habit on a brass-era automobile.