Some of the great load-range (LR) D enthusiast tires are going to be improved to load-range E designs. This is only an improvement if one needs the higher load rating, and can be a negative if you don’t (see Wheels, Tires, and Sidewalls from Jan. 2012). I understand manufacturers’ position, if they make all or most of their heavy-duty light-truck (LT) tires load-range E, the tire can be used for stoutest pickups down to the smaller, lighter rigs. I argue that these stiffer, less flexible tires are not ideal for many lighter 4WDs which are typically daily-drivers that rarely haul or tow maximum loads, and would benefit from the better ride and off-pavement traction that more flexible tires offer. There are many applications where a load-range D or C (remember those) are the best choice. I view the reduction and possible elimination of the LR D tire choices similarly to the needless super-sizing of everything in the USA.
![IMG_6721 - Version 2](http://roadtraveler.net/wp-content/uploads/2012/07/IMG_6721-Version-2.jpg)
I also see similarities to the slow death of the LT255/85R16 size. There is still a small market for this fantastic 33×10-inch tire, and many 255/85 tires that were all LR D five years ago, have become LR E designs. In support of this 255/85R16 change, I do think most trucks running this size are heavy-duty, full-sized pickups that are used as such, and the added capacity and reduced flex is a positive. Unfortunately narrower tires don’t appeal to the masses (strike 1), few new trucks are made with 16-inch wheels (strike 2), and the perfect 17-inch 255/85 replacement, the 255/80R17, is available in one tire (strike three), the BFGoodrich KM2 mud-terrain.
![IMG_6514 - Version 2](http://roadtraveler.net/wp-content/uploads/2012/07/IMG_6514-Version-2.jpg)
The Sea Change In Load-Range Continues
Recently I noticed that two of my current favorite mud tires, the Dick Cepek Mud Country and the Mickey Thompson Baja MTZ, are losing their load-range D rating in favor of the LR E in a couple popular sizes.
The Mud Country in 285/75R16 and the MTZ in 285/70R17 are switching to a load-range E rating. Both of these tires/sizes were load-range D, with 3-ply sidewalls, a perfect combination for many enthusiast applications. I currently own a set of each of these treads and love the 3-ply sidewalls combined with a load-range D casing. The new LR E offerings will surely offer less sidewall and/or tread flex (bad off-highway, good for tonnage) and be firmer riding during lightly loaded daily use. How stiff is the question, as not all LR E tires are created equal. Some are pretty flexible like the BFG KM2, while others like the new Cooper S/T MAXX and Toyo M/T are quite stiff.
![IMG_0664 - Version 2](http://roadtraveler.net/wp-content/uploads/2012/07/IMG_0664-Version-2.jpg)
If you think I’m some kind of tire nut who likes fetish tires (well…) there has been and likely still is plenty of market and demand for good, load-range D tires. The currently popular, practical, and useful 285/70R17 size has several load-range D offerings. A search on www.trierack.com recently listed twenty-eight 285/70R17 tires; 14 of which were LR D treads, 7 were LR E, and 7 were P-rated tires. These LR D designs were not duds, and included some of the best or most popular off-highway enthusiast tires currently offered, including: Dick Cepek F-C II, BFGoodrich KM2 and All-Terrain, Goodyear MT/R with Kevlar, and Goodyear DuraTrac. For years BFG has offered their ever-popular All-Terrain in both load-range D and E flavors in both the 16-inch and 17-inch 285 mm sizes. I respect BFG for seeing and filling this need, and not forcing everyone who wants a 285 to run a load-range E tire. There is a difference.
Does this mean that I will no longer buy certain niche tires once they’re not available in LR D? Probably not. While I prefer a LR D tire for most of my uses, my primary criteria for light-truck tires is that I like the tread and overall characteristics, they balance well, and the chassis I put them on likes the tire. All of these are equally important, any missing ingredient can make a tire undesirable for the specific application—a deal breaker. After these metrics I prefer and will take a load-range D if I can get it, but will accept a load-range E if it’s not overly stiff.
RoadTraveler, enjoying the tire wear to get there.
Copyright © 2012 James Langan