If you're asking how to choose tyre 13.6 36,Is there a 36 tire size?, start here: the "36" refers to rim diameter in inches, not overall tire height. The 13.6-36 is a conventional sizing format used primarily for large agricultural tractors and heavy machinery, with an actual overall diameter of about 59.6 inches 1. When selecting this tire, prioritize load capacity (typically up to 4,300 lbs), ply rating (8PR common), tread pattern (R-1 for high traction), and rim compatibility. Avoid mismatched front-rear rolling circumferences to prevent drivetrain strain. Always verify specs with the manufacturer before purchase.
📍 About tyre 13.6 36,Is there a 36 tire size?
The term "tyre 13.6 36,Is there a 36 tire size?" can be confusing because "36" appears in different contexts. In the 13.6-36 designation, "36" indicates the rim diameter in inches—the size of the wheel on which the tire mounts. It does not refer to the total tire height. This size is part of the older U.S. conventional tire sizing system, still widely used in agriculture and industrial sectors.
A 13.6-36 tire has a nominal cross-section width of 13.6 inches and fits a 36-inch diameter rim. However, its overall diameter is approximately 59.6 inches, making it much taller than a true "36-inch tire" found on off-road trucks 2. These tires are typically mounted on the rear wheels of large farm tractors used for plowing, tilling, and pulling heavy implements.
In contrast, when someone asks "Is there a 36 tire size?", they may be referring to tires with a 36-inch overall diameter—such as 36x12.5R15 or 36x13.5R17—used in off-road vehicles or military applications 3. Understanding this distinction is essential to avoid ordering the wrong product.
📈 Why tyre 13.6 36,Is there a 36 tire size? is gaining popularity
Demand for 13.6-36 tires remains steady among farmers and operators of vintage or heavy-duty tractors. Their popularity stems from reliability in demanding field conditions, especially where high torque and maximum traction are required. As modern precision farming increases equipment loads, durable tires like the 13.6-36 continue to serve critical roles in maintaining operational efficiency.
Additionally, restoration projects for antique tractors have driven renewed interest in this size. Many classic models originally came equipped with 13.6-36 tires, creating consistent demand for replacements that match original specifications 4. While newer metric sizes dominate some markets, the 13.6-36 persists due to its established fitment and performance history.
🔧 Types and variants
While 13.6-36 is a specific size, several variations exist based on construction, tread design, and intended use:
- Bias-Ply (Diagonal) Construction ⚙️
Most 13.6-36 tires use bias-ply design, indicated by a dash (-) rather than "R" in the size. These offer stiffer sidewalls and are often preferred for heavy drawbar work.
Pros: Durable under heavy loads, lower cost
Cons: Rougher ride, lower fuel efficiency, shorter lifespan compared to radials - Radial Construction (e.g., 13.6R36) ✨
Less common but available in some specialty lines. Radials provide better flexibility, improved traction, and longer tread life.
Pros: Smoother ride, better soil compaction control, higher flotation
Cons: Higher price, more susceptible to sidewall damage if misused - Tread Patterns
- R-1 (Standard Agricultural): Deep lugs for maximum grip in soft soils
- R-1W (Deep Tread): Enhanced version of R-1 with deeper tread depth for wetter conditions
- Industrial/Turf Variants: Lower profile treads for hard surfaces or landscaping equipment
- Tube vs. Tubeless 🧰
Most 13.6-36 tires are tube-type (TT), requiring an inner tube. True tubeless versions are rare in this size.
Tube-Type Pros: Easier to repair in field conditions
Tube-Type Cons: Risk of pinch flats, added weight
📊 Key features and specifications to evaluate
When evaluating a 13.6-36 tire, focus on these measurable characteristics:
- Ply Rating / Load Range: Typically 8PR (Load Range D), supporting up to 4,300 lbs per tire at 30 psi 1. Confirm load tables match your equipment’s weight distribution.
- Max Inflation Pressure: Usually 30 psi. Never exceed this limit.
- Tread Depth: Often around 45/32nds of an inch—deeper than standard truck tires for extended field life.
- Rolling Circumference Index (RCI): The 13.6-36 falls into RCI Group 42. If replacing only rear tires, ensure front tires match within acceptable tolerance to prevent transmission stress 5.
- Construction Type: Bias-ply is standard; confirm whether radial options suit your application.
✅ Pros and cons
| Pros | Cons |
|---|---|
| High load capacity ideal for large tractors | Limited availability outside agricultural suppliers |
| Proven performance in muddy, uneven terrain | Heavy weight increases fuel consumption |
| Compatible with older tractor models | Typically requires inner tubes |
| Available in deep-tread R-1/R-1W patterns | Not suitable for highway speeds (max ~20 mph) |
🛒 How to choose tyre 13.6 36,Is there a 36 tire size?
Selecting the right 13.6-36 tire involves a step-by-step evaluation:
- Confirm Equipment Compatibility: Check your tractor’s manual or existing tire placard for approved sizes and inflation pressures.
- Match Rolling Circumference: If replacing only rear tires, verify the new 13.6-36’s rolling circumference aligns closely with front tires to avoid driveline binding.
- Evaluate Load Requirements: Ensure each tire’s max load rating exceeds the axle load at operating pressure.
- Select Tread Pattern: Use R-1 for general farming; opt for R-1W in consistently wet or clay-heavy soils.
- Choose Between Bias and Radial: Stick with bias unless your tractor benefits from radial flexibility and you operate on varied terrain.
- Verify Inner Tube Need: Since most are tube-type, factor in cost and installation complexity.
• Don’t assume all 13.6-36 tires have identical diameters across brands.
• Never install mismatched front-rear tires without checking RCI group compatibility.
• Avoid used tires with cracked sidewalls or exposed cords—even if tread looks good.
• Don’t rely solely on retailer descriptions; always check official spec sheets.
💰 Price & market insights
Prices for new 13.6-36 tires typically range from $350 to $600 USD per unit, depending on brand, tread type, and supplier location. BKT, Alliance, and Titan are common manufacturers. Prices may vary significantly by region and availability.
Due to their niche application, these tires are not commonly stocked at general tire retailers. Specialized agricultural suppliers such as NTS Tire Supply, OTRUSA, and Miller Tire tend to carry them 24. Some online platforms may list the size but lack stock, so direct contact with suppliers is recommended.
For best value, consider buying from distributors offering warranties and technical support. Bulk purchases (e.g., full tractor sets) may qualify for discounts.
⭐ Top-seller & competitive analysis
The BKT TR-135 is one of the most widely available 13.6-36 models, known for durability and aggressive R-1 tread. Other comparable options include the Alliance 350 Agrimax and Titan OTR Agriboss.
| Model | Ply Rating | Max Load | Tread Depth | Notes |
|---|---|---|---|---|
| BKT TR-135 | 8PR | 4,300 lbs | 45/32" | Popular OEM fit, strong sidewall |
| Alliance 350 | 8PR | 4,280 lbs | 44/32" | Good wear resistance, global brand |
| Titan Agriboss | 8PR | 4,300 lbs | 45/32" | Cost-effective alternative |
When comparing models, prioritize consistency in load rating and rolling diameter over minor tread differences.
👥 Customer feedback synthesis
Based on aggregated buyer reviews and industry reports:
- Common Praises:
- Excellent traction in muddy fields
- Long tread life under normal farming use
- Reliable fitment on compatible rims
- Frequent Complaints:
- Difficult to find in local stores—often require shipping
- Heavy weight makes mounting challenging without proper equipment
- Some budget brands show premature sidewall cracking
🏭 Sourcing & supplier tips
Because 13.6-36 tires are specialized, sourcing requires careful planning:
- Use dedicated agricultural tire suppliers instead of general retailers.
- Contact multiple vendors to compare lead times and shipping costs.
- Ask for spec sheets before ordering—don’t rely on size alone.
- Consider working with dealers who offer installation services or partnerships with local shops.
- For bulk orders (e.g., fleet maintenance), inquire about wholesale pricing and drop-shipping options.
- Upon delivery, inspect tires for shipping damage, cracks, or deformities before installation.
🔧 Maintenance, safety & legal considerations
Proper care extends tire life and ensures safe operation:
- Inflate to recommended pressure (usually 30 psi) when cold. Underinflation causes overheating and failure.
- Inspect regularly for cuts, bulges, or tread wear indicators.
- Avoid prolonged high-speed travel on roads; these tires are rated for low speeds (~20 mph).
- Balance tires during mounting to reduce vibration and uneven wear.
- Check local regulations regarding oversized tires on public roads—even if technically compliant, some jurisdictions restrict use.
- Always use appropriate lifting equipment; improper handling can cause injury.
📌 Conclusion
If you need a durable, high-traction tire for a large agricultural tractor or heavy implement, the 13.6-36 remains a solid choice. When exploring what to look for in tyre 13.6 36,Is there a 36 tire size?, focus on load capacity, tread type, and compatibility with your existing setup. Bias-ply R-1 models like the BKT TR-135 are reliable defaults, while radials offer comfort at a premium. Always source from reputable agricultural suppliers, verify specs directly, and maintain proper inflation. For vintage restorations or heavy tillage operations, this size continues to deliver proven performance.
❓ Frequently Asked Questions
What does 13.6-36 mean in tire size?
The "13.6" is the tire's cross-section width in inches, and "36" is the rim diameter in inches. It does not indicate overall tire height, which is about 59.6 inches for this size.
Is a 13.6-36 tire the same as a 36-inch tire?
No. A 13.6-36 tire has a 36-inch rim diameter but an overall height of ~59.6 inches. A "36-inch tire" usually means a tire with a total diameter of 36 inches, like those used on off-road trucks.
Can I use a 13.6-36 tire on my tractor?
Only if your tractor’s manual specifies this size or a compatible equivalent. Check load requirements, rim width, and rolling circumference versus front tires to avoid drivetrain issues.
Are there radial versions of 13.6-36 tires?
They are rare, but some manufacturers offer radial equivalents (marked 13.6R36). Most 13.6-36 tires are bias-ply. Confirm construction type before purchasing.
Where can I buy 13.6-36 tires reliably?
Specialty agricultural tire suppliers like NTS Tire Supply, OTRUSA, and Miller Tire typically stock this size. General tire chains rarely carry it, so plan ahead and verify availability.
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