1991 Dodge Trucks Tire Fitment Guide

1991 Dodge Trucks vehicles use 12 sizes across the range: 215/75R15, 235/75R15, and 205/75R15 for the D150; 215/85R16 and 235/85R16 for the D250; 215/85R16, 750-16, and 235/85R16 for the D350; 195/75R15, 205/75R15, 215/75R15, 235/75R15, and 205/70R15 for the Dakota; 225/75R15 for the Power Ram 50; 195/75R14 and 205/75R14 for the Ram 50; 235/75R15 and 31X10.50R15 for the Ramcharger and W150; 215/85R16 and 235/85R16 for the W250; and 235/85R16 for the W350. Rim diameters span 14, 15, and 16 inches depending on model.

The practical takeaway is that 1991 Dodge Trucks fitment starts with the exact model, not just the year and make. A compact Ram 50, a Dakota, and a one-ton D350 can all sit under the same brand umbrella while using completely different wheel diameters and tire families. Once you know the model, verify the current wheel diameter and compare the tire already on the truck if it has remained stock.

On a 1991 Dodge Trucks tire, 750-16 is a numeric bias-ply size. The 7.50 designates nominal section width in inches, while the 16 denotes a 16-inch wheel diameter; the dash-style format is associated with bias-ply construction rather than a modern metric radial code. In this year and make, 750-16 belongs to the D350 and is available in blackwall and wide whitewall versions from Firestone, Lester, and BFGoodrich.

That matters because a 750-16 is not just another way of writing a radial truck size. It points you toward an older construction style with a different look and road feel, which appeals to owners aiming for a more vintage presentation. If your D350 already has radial 16-inch tires, compare the wheel width and overall setup carefully before moving to a numeric bias-ply tire.

No, 1991 Dodge Trucks models do not use the same tire size. The compact Ram 50 uses 14-inch radial sizes, many half-ton and midsize trucks use 15-inch radials, the Ramcharger and W150 can use either 235/75R15 or 31X10.50R15, and the heavier D250, D350, W250, and W350 move into 16-inch fitments. The D350 is also unique because it appears with both 16-inch radial sizes and a 750-16 bias-ply option.

That spread means a buyer should identify the truck by model before thinking about sidewall style, brand, or tread character. It also explains why some sizes overlap across a few models while others belong to only one truck. If the truck has changed hands or has had wheel swaps over the years, check the actual rim diameter and the installed tire size before deciding what belongs on it next.

For a 1991 Dodge Trucks D350, the choice between 750-16 and the radial 16-inch sizes comes down to construction and the kind of experience you want from the truck. The 750-16 is a numeric bias-ply fitment with blackwall and wide whitewall options, while 215/85R16 and 235/85R16 are modern-style radial truck sizes used on heavy-duty Dodge models in the same year range. Bias-ply and radial tires do not behave the same way, even when they share the same wheel diameter.

A D350 built around restoration character or a traditional visual presentation will often point you toward 750-16, especially if the truck already wears narrow factory-style wheels. A D350 used more regularly on modern roads will usually keep owners focused on the radial sizes that align with later truck driving expectations. Match the tire to the wheel width on the truck and decide first whether originality of look or later-style road manners matters more to you.

1991 Dodge Trucks tires span a surprisingly broad sidewall range. Depending on size, you can find blackwall, narrow whitewall, wide whitewall, goldline, raised white letter, and raised black letter styles. The compact and midsize metric sizes lean heavily toward narrow and wide whitewall choices, the 205/75R15 also brings in a goldline option, the 750-16 bias-ply size includes blackwall and wide whitewall versions, and the more truck-oriented 235/85R16 and 31X10.50R15 appear in raised-letter all-terrain form.

That gives owners room to tune the truck's appearance within the correct size family. A whitewall or goldline treatment tends to push the look toward vintage custom or period-inspired street use, while raised-letter truck tires fit a later pickup or SUV character more naturally. Before choosing by appearance alone, make sure the sidewall style you want exists in the exact size your 1991 Dodge Trucks model requires.

1991 Dodge Trucks fitments are covered by BFGoodrich, Coker Classic, Tornel, American Classic, Maxxis, Michelin, Avon, Firestone, and Lester, depending on size. BFGoodrich appears across several sizes, including 215/75R15, 235/75R15, 235/85R16, 31X10.50R15, and 750-16. Coker Classic, American Classic, Tornel, and Maxxis cover many of the 14- and 15-inch radial whitewall sizes, while Michelin and Avon appear in 205/70R15 blackwall performance-style radials and Firestone and Lester show up in the 750-16 bias-ply category.

Brand choice should come after the size is settled, because each brand does not cover every fitment in the 1991 Dodge Trucks lineup. A Ram 50 owner shopping 14-inch radials has a very different brand pool from a W350 owner needing 235/85R16. Once you have the right size, compare sidewall style, load capacity, and intended use so the brand fits both the truck and the way you plan to drive it.

Rim-width ranges vary by size on 1991 Dodge Trucks. Examples include 215/75R15 at roughly 5.5 to 7.5 inches, 235/75R15 at about 6.0 to 8.5 inches, 205/75R15 at about 5.5 to 7.5 inches, 235/85R16 at 6.0 to 7.5 inches, 750-16 at 5.00 to 6.00 inches, 225/75R15 at roughly 6.0 to 8.0 inches, 195/75R14 at about 5.0 to 7.0 inches, 205/75R14 at about 5.0 to 7.5 inches, and 31X10.50R15 at 7.0 to 9.0 inches. Some sizes have overlapping ranges, but they are not interchangeable by assumption.

That means the wheel already on your truck matters almost as much as the tire size itself. A size can share the same rim diameter with another option yet still want a different wheel width range for proper profile and support. Before ordering, measure the actual wheel width or confirm it from the wheel stamping, especially if the truck has aftermarket wheels or has been modified over the years.

Most 1991 Dodge Trucks sizes here are radial applications without any tube-type marking in the size description, while one 205/70R15 Michelin XWX carries a TL marking that identifies it as tubeless. The 750-16 bias-ply products also do not carry a tube-type or tubeless designation in the size wording shown here. Because those markings are not uniform across every product family, tube use should be confirmed against the exact tire and wheel combination rather than assumed from size alone.

The safest approach is to treat tube fitment as a product-and-wheel question, especially on older steel wheels, restored trucks, or any setup using bias-ply tires. If the wheel condition, bead seat, or product markings suggest a tube is required, follow the tire maker's recommendation for that exact application. This matters most on trucks that have sat for long periods or have been converted from one tire style to another.

Original 1991 Dodge Trucks wheels can only be used with tire sizes that match the wheel's diameter and fall within an appropriate width range for that wheel. A 14-inch Ram 50 wheel cannot accept a 15- or 16-inch tire, and a 15-inch D150 or Dakota wheel cannot mount a 16-inch D250 or D350 size. Even within one diameter, examples such as 235/75R15 and 31X10.50R15 have different rim-width requirements.

That means wheel reuse is possible only within the correct size family for the specific truck. A stock wheel may accept more than one tire size in the same diameter, but the final answer depends on wheel width, the truck's current configuration, and how closely you want to stay to original fitment. Confirm the wheel diameter first, then check the tire's approved rim-width range before using an original wheel with a different size.

A 1991 Dodge Trucks model should be stored on clean, properly inflated tires in a cool, dry space away from direct sunlight, electric motors, battery chargers, furnaces, and other ozone sources. Long periods of sitting can harden rubber and encourage flat-spotting, especially on older-style constructions such as the 750-16 bias-ply option used on some D350 applications. Keeping the tires off damp ground and moving the truck periodically helps reduce stress on one section of the casing.

If the truck will be parked for a long season, clean the tires first, avoid solvent-based dressings, and consider repositioning the vehicle from time to time or supporting it in a way that reduces static load. Collector trucks that see only occasional use benefit from a storage routine just as much as a show car does. Good storage habits preserve sidewall appearance and help the tires stay round and roadworthy when the truck comes back out.

Tires on a 1991 Dodge Trucks model should be judged more by age and condition than by mileage. A sensible collector-vehicle rule is to start evaluating them closely at about five to seven years from the DOT date code and to treat the ten-year point as a serious replacement threshold even if tread depth still looks usable. Low annual mileage can make old tires seem serviceable long after the rubber has aged out.

That matters because many vintage and specialty-fitment trucks spend more time parked than driven. Sidewall cracking, tread separation risk, hardening rubber, and poor wet-road behavior can arrive before the tire looks worn out in the traditional sense. Check the date code on every tire, including the spare, and balance visual condition with age when deciding whether your 1991 Dodge Trucks tires are still fit for regular road use.

Tires on a 1991 Dodge Trucks model should be inspected before every drive and more carefully before any extended outing. Look for sidewall cracking, bulges, cuts, uneven tread wear, impact damage, and signs of pressure loss. On heavier-duty 16-inch truck sizes, also pay attention to load-related wear patterns, while on older-style 750-16 applications it is wise to watch closely for age-related cracking and casing deformation.

A brief walkaround catches many problems before they become roadside issues. Check pressure when the tires are cold, look at the valve stems, and inspect the spare so it is usable if needed. If the truck has been sitting, roll it forward and backward a little to inspect the entire circumference of each tire rather than just the section that is visible at first glance.

For a 1991 Dodge Trucks D150, original-type fitment would have been radial rather than bias-ply, and the size family falls within 205/75R15, 215/75R15, or 235/75R15 depending on the exact truck. That aligns with the period, because by 1991 domestic pickups had long since moved into radial construction as standard practice. Whitewall, blackwall, or truck-style lettered sidewalls can all fit the era depending on trim, market, and how the truck was positioned.

If you are restoring one for authenticity, the key is to confirm the exact size from the truck's original references and to match the sidewall style to the look you want to reproduce. A broad whitewall may suit a nostalgic custom presentation, while a more utilitarian blackwall or raised-letter look may fit a later pickup image better. For trim-specific confirmation, a Dodge truck club or marque specialist is still the best final check.

Yes, correct tire fitment matters when showing a 1991 Dodge Trucks model because judges and knowledgeable enthusiasts notice size, construction type, and sidewall style. A D350 wearing 750-16 bias-ply tires presents differently from one on 235/85R16 radials, and a Ram 50 or Dakota on the wrong wheel diameter stands out immediately. Sidewall treatment also changes the truck's visual period character in a noticeable way.

That does not mean every event applies the same standard, but authenticity-minded judging usually rewards a tire that matches the truck's era, model, and intended presentation. A street-driven truck can still wear a practical radial and look right, while a stricter originality build may need closer attention to sidewall style and construction. Before a serious show restoration, compare your choice against factory literature and event-specific guidance from Dodge truck clubs.

For the 1991 Dodge Trucks D350 in 750-16, Firestone and BFGoodrich both offer bias-ply options, but their available sidewall treatments and load figures differ. Firestone appears in both blackwall and wide whitewall versions with a maximum load capacity of 1,660 pounds at 40 psi, while BFGoodrich appears as a wide whitewall with a maximum load capacity of 1,850 pounds at 48 psi. Both use a 16-inch rim and call for a 5.00 to 6.00 inch wheel-width range.

That makes the choice partly visual and partly functional. If the truck's presentation calls for a plain blackwall, Firestone gives you that route, while BFGoodrich focuses on a stronger whitewall restoration look with a higher published load figure. On a one-ton truck, those details matter, so compare the sidewall style you want with the load and pressure characteristics that best suit how the D350 will actually be used.

1991 Dodge Trucks tires can be suitable for highway driving when the size, load range, condition, and speed rating all match the truck's use. Where speed ratings appear, the published examples include S at 112 mph on 215/75R15, 235/75R15, 235/85R16, and 31X10.50R15, V at 149 mph on one 205/70R15 application, and W at 168 mph on another 205/70R15 application. Those figures exceed normal U.S. highway speeds, but tire condition and proper inflation matter more than theoretical top speed on an older truck.

The larger safety question is whether the entire vehicle is ready for modern road use. Brakes, steering, suspension, alignment, and load carried in the bed all affect how a 1991 Dodge truck behaves at speed, especially on heavier D- and W-series models. Choose a tire whose load and construction suit the truck, then inspect the whole vehicle before assuming that a new set of tires alone makes it ready for sustained highway travel.

Inflation pressure on 1991 Dodge Trucks tires depends on the exact size and product. Published maximum load-and-pressure examples include 1,874 pounds at 32 psi for some 215/75R15 tires, 2,271 pounds at 32 psi for some 235/75R15 tires, 1,598 pounds at 35 psi for some 205/75R15 tires, 3,042 pounds at 80 psi for 235/85R16, 1,850 pounds at 48 psi for one 750-16 bias-ply tire, 2,094 pounds at 32 psi for some 225/75R15 tires, and 2,270 pounds at 50 psi for 31X10.50R15. Those are tire ratings, not universal truck settings.

Use the truck's factory recommendation as your baseline for normal service, then compare it with the tire maker's maximum-rated figure for the exact tire you are using. Do not transfer a pressure from a 16-inch heavy-duty tire to a 15-inch half-ton fitment or from a radial to a bias-ply tire. If the truck carries cargo, tows, or runs at highway speeds regularly, pressure should be reviewed with the vehicle's actual use in mind.

Before a longer drive in a 1991 Dodge Trucks model, inspect every tire for cracking, cuts, bulges, punctures, uneven wear, and proper cold pressure. Check the spare as well, since many vintage and lightly used trucks carry an old spare that has aged out long before it is ever needed. On trucks using heavier-duty 16-inch fitments or flotation sizes, also make sure the load carried matches the tire's capability and that all four tires are closely matched in size and type.

A longer trip is also the time to look beyond the tires themselves. Verify lug-nut torque, wheel condition, valve stems, shock behavior, steering looseness, and brake response before heading out. Older trucks can feel fine on short local runs and still reveal weak points once speed, distance, and heat build up. Treat the tire check as one part of a full pre-drive inspection rather than an isolated step.