12/8/2023 0 Comments Sidewinder 5th wheel pin boxBut if you turn too sharp, the fifth wheel will run into the cab of the truck, causing damage to both vehicles. Swivel pin boxes basically offers users of fifth wheels the same turning characteristics of a travel trailer. For example a transport trailer with tandem wheels almost at the back of the trailer carries close to 50 percent of its weight on the tractor. This allowed the fifth wheel to have a longer distance from the pivot point to the axles, which makes any trailer more stable. On a travel trailer, it’s normally 10 to 15 percent. Historically, a factor that contributes greatly to the stability of a fifth wheel is the pin or hitch weight was always a higher percentage of the total trailer weight – usually 20 percent. The only thing that made me realize that the wheels were off the ground was a quick glance in the side-view mirror. In the slalom, I have had the wheels of a fifth wheel come a couple of feet off the ground and it felt completely stable in the cab. Even when making an emergency manoeuver, it’s easy to drive up to the point where the fifth wheel’s centre of gravity becomes the issue. From a driving perspective, this trumps most other factors I previously mentioned about fifth wheels. The best vehicles are around 30 percent.īut, with a fifth wheel, the overhang is 0 percent of the wheelbase. For instance, if the vehicle has a 100-inch wheelbase with 40 inches of rear overhang, the overhang is 40 percent of the wheel base (which would not be ideal). We look at the overhang as a percentage of the wheelbase. Of all the measurements we conduct when assessing a tow vehicle for a trailer, a key element we have to consider is the amount of rear overhang. Going straight down the highway on a windy day, it’s hard to match the driving ease of a fifth wheel in tow. ![]() A sliding fifth wheel hitch.īut fifth wheels do have their merits. So, if I find myself in a situation where I need to manoeuver quickly to avoid an accident, I will take a properly set up travel trailer any time. With a fifth wheel, the tires start leaving the road at 60 km/h. ![]() For example, a good handling travel trailer and tow vehicle can run through a 100-foot slalom close to 80 km/h. When we do slalom and lane change tests, it’s obvious travel trailers handle much better. Swivel pin boxes allow an impressive turn radius of 90 degrees, but some stability at highway speeds is lost.Ĭompared with travel trailers, which can have a very low centre of gravity and a pivot point much closer to the ground (with weight distribution and sway controls), there is no contest between the two. It consists of a simple pivot point that is approximately four feet above the ground, sitting over a basic live axle truck suspension. The fifth wheel hitch is not complicated. The centre of gravity of a fifth wheel is very high, the sidewall area to catch cross winds is massive, most units have basic leaf spring suspensions, while only a few have shock absorbers. But when you look at a fifth wheel’s design, it would be easy to wonder how they could be stable at all. Fifth wheels are very stable on a highway and are rarely affected by cross winds or passing trucks. Check available wedges offerings belowĪutomatic tracking – No need for a 5th wheel slider system to make tight turns or to park trailer.When RV’ers are considering a fifth wheel trailer they often ask if it will feel more stable on the road than a travel trailer or a motorhome. All non-Reese hitch systems will require purchase of custom fit wedge kit. Included wedge fits all Reese 5th wheel hitches. rearward allowing for increased turning capability Not all tow vehicle and trailer combinations will allow 90-degree turn.īy locking the trailer king pin to the 5th wheel hitch with the included wedge, the Sidewinder pin box effectively moves the trailer pivot position 22 in. Additional fit applications may apply – Reference Product Drawing under images link.ģ. The above wedges are the ONLY approved wedges that will work with Reese Sidewinder, Part# 69220.Ģ. Replacement for included wedge: Fits B&W Patriot & Companion Series, Husky and Demco 5th wheel hitchesġ. Sidewinder NOT TO BE USED with the Curt Q-Series( Q-Series is a rubber mounted head with excess movement) ![]() Replacement for included wedge: Fits CURT E Series and A Series hitches. Replacement for included wedge: Fits Reese Elite, M Series, Pro Series Slide Jaw & Dual Jaw hitches Pin box wing set make and model #'s: Lippert #1716, and Lippert #0115 require (68200) Spacer Kit for installation Pin box wing set make and model #'s: Lippert #1621, Lippert #1621 HD, Lippert #0719, Lippert Rhino, Lippert Turning Point, and Fabex PB 600 Series
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