LT295/70R17 Tire Size

All You Need to Know About LT295/70R17 Tires

LT295/70R17 is a light-truck tire size built around reinforced construction and higher inflation capability. Its nominal external dimensions match 295/70R17, producing an overall diameter of ≈33.3 inches, a sidewall height of ≈8.1 inches, and a section width of 295 mm.

This page focuses on how LT construction changes load support, pressure requirements, and stability under towing, hauling, and off-road stress. For dimensional behavior and size-based fitment considerations, see 295/70R17 tires.

At the LT295/70R17 size, LT construction matters because a tall sidewall and wide section can generate substantial deflection under load. Reinforced casing design and higher allowable inflation pressure reduce that deflection, improve load control, and change how the tire behaves compared with a non-LT tire of the same dimensions.

LT295/70R17 Size Quick Specs

• Overall diameter: ≈33.3"
• Width: 295 mm
• Sidewall height: ≈8.1"
• Approved rim width range: 7.5"–10.0"
• Ideal rim width: 8.5"-9.0"
• Roughly equivalent to a 33x11.50R17 or 33x12.50R17
• Comon wheel fitment: 17x8.5 or 17x9 wheels
• Typical maximum pressure: varies by load range and product specification

What LT Means in LT295/70R17

The LT designation in LT295/70R17 means the tire is built to carry heavier loads than a passenger-standard tire of the same nominal dimensions - achieved through reinforced casing construction and higher allowable inflation pressure.

At 33.3 inches tall, that construction does specific work. The 8.1-inch sidewall generates meaningful leverage under load, and without reinforced plies, that leverage translates into sidewall flex that compromises stability. LT295/70R17's casing is designed to limit that movement, which matters directly when the tire is carrying payload, absorbing tongue weight from a trailer, or operating on terrain where casing stress is sustained rather than momentary.

LT295/70R17 Load Capacity and Pressure Behavior

In LT295/70R17, load support is determined by the intersection of load range and inflation pressure. For this size specifically, pressure does three things: it reduces flex in the 8.1-inch sidewall, stabilizes the contact patch under the tire's 295 mm section width, and keeps the casing operating within its rated load capacity.

That sidewall depth of the LT295/70R17 tire is a functional trade-off. On broken terrain, it aids compliance and impact absorption, but under towing or sustained payload, it creates more opportunity for casing deformation than a shorter sidewall would. The reinforced LT casing limits that deformation - at the cost of a firmer ride and reduced compliance compared with a passenger-rated tire of equivalent dimensions.

At 33.3 inches tall and 295 mm wide, LT295/70R17 covers a broad range of operating conditions. The correct inflation pressure is not fixed - it must be set to match actual vehicle load, axle demand, and the tire's specific load range rating.

LT295/70R17 Common Vehicle Applications

LT295/70R17 is commonly used on heavy-use pickups, overland builds, and off-road SUVs that need additional load support alongside a roughly 33-inch diameter. Platforms frequently used as a base for these builds include:

• Ford F-150 and Super Duty builds
• Ram 1500 and 2500 applications using 17-inch wheels
• Chevrolet Silverado 1500 and HD builds
• GMC Sierra 1500 and HD builds
• Toyota Land Cruiser, 4Runner, and Tacoma off-road setups
• Jeep Wrangler and Gladiator builds carrying added equipment

LT295/70R17 fitment suitability varies by vehicle generation, trim, and configuration - particularly on half-ton platforms where axle and suspension ratings differ significantly from HD equivalents. In all cases, fitment must be confirmed before installation.

In these applications, LT295/70R17 is typically chosen for the combination of size and load control rather than diameter alone. Fitment still has to be verified, but the construction choice is often as important as the size selection.

LT295/70R17 vs 295/70R17

• Dimensions: identical at ≈33.3"
• Width: identical at 295 mm
• Difference: construction, load-support behavior, and pressure capability

Because LT295/70R17 and 295/70R17 share the same dimensions, substitution is not a diameter or clearance question by itself. The real decision point is whether the vehicle’s use case requires the added load support, pressure capability, and casing strength of an LT tire.

Comparison of LT295/70R17 With Similar LT Sizes

LT295/70R17 is often compared with LT285/70R17, which stays within the acceptable diameter range while reducing width, and LT295/75R17, which keeps the same width but moves beyond the accepted diameter threshold.

LT295/70R17 vs LT285/70R17

• Width: LT295/70R17 is 10 mm wider
• Overall diameter: LT295/70R17 is ≈0.55 inches (≈1.66%) larger than LT285/70R17

At 1.66%, the diameter difference between LT295/70R17 and LT285/70R17 stays within the ±3% range. The primary change is the addition of section width and footprint, which may improve flotation and grip on soft surfaces while also requiring clearance verification and, in some cases, a wider approved rim.

LT295/70R17 vs LT295/75R17

• Width: identical at 295 mm
• Overall diameter: LT295/75R17 is ≈1.16 inches (≈3.49%) larger than LT295/70R17

At 3.49%, the difference exceeds the ±3% threshold, making LT295/75R17 a taller-class change rather than a direct substitute. The increase affects gearing, speedometer reading, ground clearance, and fitment under compression - especially relevant on heavy vehicles where suspension travel occurs under real payload load.

LT295/70R17 Fitment Note

On LT295/70R17, diameter compatibility is only one part of the decision. Load range, inflation pressure, wheel width, and the vehicle’s real operating demand all have to be checked together before installation.