Jeep Trucks J20 Tires

Jeep Trucks J20 was part of Jeep’s full-size pickup line through the 1980s, built as a heavy-duty truck for work, hauling, and four-wheel-drive utility rather than light passenger use. That matters when choosing tires, because J20 fitment sits in the truck tire world of tall, load-capable bias-ply sizes and 16.5-inch wheels that differ from more familiar 16-inch applications. Tire selection for Jeep Trucks J20 is not especially broad by year, but it is easy to choose the wrong width if you rely only on the model name without checking the truck itself. Confirm the exact size shown for the specific year and verify that the truck still carries 16.5-inch wheels before selecting a tire.

Jeep Trucks J20 Tire Size Guide

Jeep Trucks J20 uses 2 distinct tire sizes across the 1980 to 1988 production span. Both sizes share the same 16.5-inch rim diameter, so the key difference is tire width and year coverage rather than a wheel diameter change. These are numeric bias-ply truck sizes, where the first number identifies the nominal section width with the decimal omitted.

875-16.51980-1985Numeric bias-ply

875-16.5 fits Jeep Trucks J20 applications from 1980 through 1985 and appears alongside a wider optional size in those same years. The 875 indicates a nominal section width of about 8.75 inches, and the 16.5 identifies the required rim diameter. Choose this size when the truck is equipped for the narrower of the two listed fitments for those years; available products are bias-ply truck tires, and a tube is required.

950-16.51980-1988Numeric bias-ply

950-16.5 fits Jeep Trucks J20 throughout 1980 to 1988, and it is the only listed size for 1986 through 1988. The 950 indicates a nominal section width of about 9.50 inches, while 16.5 is the rim diameter; listed products also specify 6.50 to 6.75 inch rim widths and a maximum load capacity of 2780 pounds at 60 psi. Choose this size when the truck carries the wider late-production fitment or when the actual wheel and current tire markings confirm it; available products are bias-ply truck tires, and a tube is required.

Jeep Trucks J20 Tires by Year

The year listing breaks Jeep Trucks J20 tire fitment down from 1980 through 1988 so you can match the truck’s production year to the sizes used in that period. In 1980, 1981, 1982, 1983, 1984, and 1985, two sizes are listed, so confirm which configuration the truck carries before choosing between them. Later trucks narrow to a single listed size, which simplifies selection once the wheel and current tire markings are checked.

Best Jeep Trucks J20 Tires for Sale

Available Jeep Trucks J20 tires span 1 brand and 4 products across 875-16.5 and 950-16.5 sizes. Confirm the correct size for the truck’s year and verify the 16.5-inch rim diameter before selecting.

875-16.5 Products

These are the available products for 875-16.5.

Military & Truck

STA Traxion | 875-16.5

STA - Traxion

SidewallBlackwall
Rim Diameter16.5 in
Rim Width—
Weight38 lb
Max Load—
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Military & Truck

STA Transport Highway | 875-16.5

STA - Transport Highway

SidewallBlackwall
Rim Diameter16.5 in
Rim Width—
Weight40 lb
Max Load—
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950-16.5 Products

These are the available products for 950-16.5.

Military & Truck

STA Traxion | 950-16.5 (Special Order)

STA - Traxion

SidewallBlackwall
Rim Diameter16.5 in
Rim Width6.50 - 6.75 in
Weight40 lb
Max Load2780@60 psi
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Military & Truck

STA Super Transport | 950-16.5 (Special Order)

STA - Super Transport

SidewallBlackwall
Rim Diameter16.5 in
Rim Width6.50 - 6.75 in
Weight41 lb
Max Load2780@60 psi
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Frequently Asked Questions

The FAQ below addresses the two-size pattern used on Jeep Trucks J20, how to interpret these numeric 16.5-inch truck sizes, and how to choose between available bias-ply options for work, restoration, and collector use.

Size Basics & Fitment

Jeep Trucks J20 uses two listed tire sizes across 1980 through 1988: 875-16.5 and 950-16.5. The 875-16.5 size appears from 1980 to 1985, while 950-16.5 appears from 1980 to 1988 and is the only listed size for 1986, 1987, and 1988. Both sizes use a 16.5-inch rim diameter, and the available products for both sizes are bias-ply truck tires.

That means year is only the first step. A 1980 through 1985 Jeep Trucks J20 may carry either listed width, so the safest approach is to check the tire size already on the truck, confirm the wheel diameter stamping if possible, and compare the truck’s stance and wheel setup against its intended use. For 1986 through 1988, the choice is simpler because 950-16.5 is the only listed size.

On a Jeep Trucks J20, 875-16.5 is a numeric bias-ply truck tire size. The 875 represents a nominal section width of about 8.75 inches, with the decimal omitted in the older size format, and the 16.5 identifies the wheel diameter the tire is built to fit. For Jeep Trucks J20, this size is listed for 1980 through 1985.

That decoding matters because modern buyers often focus on the wheel diameter and overlook the width difference between 875-16.5 and 950-16.5. If your Jeep Trucks J20 is from the early part of the range, verify whether it was fitted with the narrower or wider option before replacing tires. Matching the existing wheel and size marking is more reliable than choosing by model name alone.

A 1983 Jeep Trucks J20 has two listed tire sizes because both 875-16.5 and 950-16.5 were used in that year. The two sizes share the same 16.5-inch rim diameter and the same bias-ply construction type in the available products, so the split is not a wheel-diameter change or a bias-versus-radial change. It is a configuration split within the same model year.

For an owner, that means the truck’s exact setup matters more than the calendar year by itself. Check the current tire size, inspect the wheel, and compare the truck to any original paperwork or restoration records you have. If the truck has been modified over time, its present wheel-and-tire combination is often the most practical clue to the correct replacement size.

The available Jeep Trucks J20 products are bias-ply tires in older numeric truck sizes, and the fitment guidance for these listed sizes should be approached as tube-type service. Both 875-16.5 and 950-16.5 are offered here as bias-ply truck tires rather than modern metric tubeless radials. That places Jeep Trucks J20 in the traditional collector-truck tire category rather than a contemporary light-truck replacement format.

In practical terms, tube service should be part of the installation plan unless a wheel-and-tire specialist confirms otherwise for the exact wheel in hand. Older truck wheels can vary in condition, profile, and prior repairs, especially on work vehicles that remained in service for years. Having the wheel inspected at the same time helps prevent air-retention problems and avoids mismatching a traditional tire to a questionable rim.

Buying the Right Tire

A 1984 Jeep Trucks J20 can use either 875-16.5 or 950-16.5, so the correct size is determined by the truck’s actual wheel-and-tire setup rather than year alone. Both are 16.5-inch applications, but they differ in section width. The most direct way to confirm the right size is to read the current tire sidewall, inspect the wheel diameter, and compare what is on the truck against any original service records or restoration notes.

That approach is especially important on older trucks because wheels, axles, and tire sizes often changed during years of work use. If your Jeep Trucks J20 still has period-style wheels, keeping the same size usually preserves the intended stance and load-carrying character. If the truck has been altered, verify that the replacement tire matches the wheel width and overall use before making a final choice.

The listed Jeep Trucks J20 tires come from STA. Across the available sizes, the product range includes STA Traxion, STA Transport Highway, and STA Super Transport, all in blackwall bias-ply truck construction. That means the current choice is centered on different STA series rather than multiple competing brands.

For a buyer, the practical question is less about brand comparison and more about selecting the right STA series for the truck’s look and use. A more aggressive tread may suit a utility-focused Jeep Trucks J20, while a highway-oriented series may better fit a truck driven mainly on pavement. Start with the correct size, then choose the series that matches how the truck is actually used.

Jeep Trucks J20 tire options in the listed sizes are offered in blackwall sidewall style. Both 875-16.5 and 950-16.5 products are blackwall bias-ply truck tires, which suits the working-truck character of the J20. No alternate whitewall or decorative sidewall treatment appears in the available range for these sizes.

That makes sidewall selection straightforward for most restorations and driver-quality trucks. If your goal is a period-correct heavy-duty appearance, blackwall is consistent with the functional look expected on a Jeep Trucks J20. The main decision is then the size and tread series, not the sidewall treatment.

Jeep Trucks J20 tires are available here in STA Traxion, STA Transport Highway, and STA Super Transport series. All are bias-ply blackwall truck tires, but the series names point to different intended character: Traxion suggests a more traction-oriented pattern, while Transport Highway and Super Transport indicate more road-oriented truck use. Size availability varies by series, with 875-16.5 offered in Traxion and Transport Highway, and 950-16.5 offered in Traxion and Super Transport.

The practical choice comes down to how your Jeep Trucks J20 is used and how you want it to present. A more aggressive pattern can complement a work-truck or off-road look, while a transport-style tread often makes more sense for a paved-road collector truck. Once the correct size is confirmed, comparing the series by tread character is the next step.

Maintenance & Longevity

A Jeep Trucks J20 should be stored on a clean, dry surface away from direct sunlight, electric motors, welders, and ozone sources that accelerate rubber aging. Keeping the tires properly inflated for storage helps the casing hold its shape, and moving the truck occasionally can reduce flat-spotting in bias-ply construction. Long periods on damp concrete or bare ground should be avoided.

Because Jeep Trucks J20 uses heavy-duty bias-ply truck tires, storage conditions have a noticeable effect on ride quality and casing life. If the truck will sit for an extended period, many collectors use tire cradles or slightly reduce sustained load on the tires without leaving the suspension fully hanging. Clean storage and stable inflation do more for tire longevity than low annual mileage alone.

Tires on a Jeep Trucks J20 should be inspected regularly even if the truck sees limited use. A visual check before every drive and a more careful inspection several times a year is a sensible routine for an older collector truck on bias-ply tires. Look for sidewall cracking, tread separation, impact damage, valve issues, irregular wear, and any sign that the tire is no longer seated or aging evenly.

Regular inspection matters because many Jeep Trucks J20 trucks spend long periods parked, and inactivity can hide problems until the next road outing. The wheel itself should be checked at the same time for rust, bends, or prior repairs that could affect sealing and support. Catching those issues early is especially important on a heavy truck that places meaningful load on its tires.

Tires on a Jeep Trucks J20 should be replaced when age, cracking, hardening, casing distortion, puncture damage, or separation becomes evident, even if tread depth still looks usable. Collector vehicles often wear out tires by time and environment rather than mileage. A truck tire that appears full-tread but has aged significantly can still be unsuitable for regular road use.

That is especially true for a Jeep Trucks J20 because its tires are expected to support a substantial vehicle on older bias-ply construction. Any truck with uncertain tire age deserves a cautious inspection by a tire professional familiar with vintage and specialty truck tires. Replacing on condition, not just tread, is the safer habit for a low-use collector truck.

Restoration & Authenticity

Jeep Trucks J20 is associated here with 875-16.5 and 950-16.5 sizes across the 1980 to 1988 range, with 875-16.5 used through 1985 and 950-16.5 continuing through 1988. The available products are all bias-ply truck tires, and the listed series include Traxion, Transport Highway, and Super Transport. That gives a period-appropriate heavy-duty truck direction, but the exact original fitment for a specific Jeep Trucks J20 depends on the truck’s year and configuration.

For restoration work, the best next step is to compare the truck’s surviving wheels, any factory labels, and original paperwork against the year-specific size listing. Early trucks can fall into either listed width, so authenticity depends on identifying how the truck was equipped rather than choosing the widest or most common-looking option. Marque literature and survivor examples are especially useful for final confirmation.

Correct tire fitment can affect both the presentation and judged authenticity of a Jeep Trucks J20. Size, sidewall treatment, construction type, and tread character all contribute to whether the truck looks appropriately restored for its era and intended duty. On a heavy-duty pickup like the Jeep Trucks J20, an obviously incorrect width or a modern-looking replacement can stand out quickly.

For value-minded restorations, using the proper 16.5-inch size and an era-appropriate blackwall truck tire usually helps the truck read correctly. Judging standards vary by event, so owners pursuing high-level authenticity should compare their truck to marque-club guidance and period photos. Even outside formal judging, correct proportions and tread style make a visible difference in how a restoration is received.

For Jeep Trucks J20, Traxion and Super Transport are two distinct STA bias-ply truck series offered within the listed fitment range. Both serve the same basic heavy-duty truck format, but the names indicate different character, with Traxion leaning toward a traction-oriented pattern and Super Transport toward a transport-road style. In the listed range, Super Transport appears in 950-16.5, while Traxion appears in both 875-16.5 and 950-16.5.

That difference matters most when balancing appearance and intended use. A Jeep Trucks J20 restored as a working or utility truck may look more at home on a traction-style tread, while a truck used mostly on pavement may suit a transport-style pattern better. Once size is settled, the series choice becomes a question of period character and driving purpose.

Safety & Road Use

These Jeep Trucks J20 tires can be appropriate for public-road use when they are the correct size, properly installed on suitable 16.5-inch wheels, inflated correctly, and used within the condition limits of the truck and tire. The listed products are heavy-duty bias-ply truck tires rather than modern radial replacements, so they should be approached with the driving expectations of period truck construction. Safety depends on the complete vehicle condition, not the tire alone.

A careful owner should think of roadworthiness as a system check. On a Jeep Trucks J20, that includes the wheel condition, steering, brakes, suspension, alignment, and how the truck is loaded, in addition to the tires themselves. If the truck has been sitting or has an unknown service history, a full mechanical inspection is the right step before returning it to regular road use.

Before driving a Jeep Trucks J20, check tire pressure, visible sidewall condition, tread condition, wheel security, valve stems, and any signs of air loss or uneven wear. On the 950-16.5 size, the listed products also specify a maximum load capacity of 2780 pounds at 60 psi, which reinforces the importance of using inflation appropriate to the truck’s actual service. Bias-ply tires should also be checked for flat-spotting if the truck has been parked for long periods.

Beyond the tires, look at brake performance, steering play, wheel bearing condition, and suspension behavior before any serious road miles. A Jeep Trucks J20 is a heavy truck, so small issues become more consequential when load and speed increase. A thorough pre-drive walkaround is one of the simplest ways to prevent avoidable trouble on a collector pickup.

A Jeep Trucks J20 on period-style bias-ply truck tires should be driven with the understanding that bias-ply construction does not behave like a modern radial at highway speed. Even when the tires are in good condition and properly matched to the wheels, steering feel, tracking, braking response, and heat tolerance reflect an older tire design. Appropriate speed is therefore the speed at which the truck remains stable, comfortable, and mechanically composed.

In practical terms, that means building speed gradually and evaluating how your Jeep Trucks J20 feels rather than assuming modern behavior. Conservative cruising is the right approach, especially with a freshly revived truck, a load in the bed, or a road surface that encourages wandering. The goal is confident control, not testing the upper limit of an older heavy-duty tire design.