No-Slack(r)II
(6000 Series) Standard Duty Fifth Wheel
With The Fontaine TechLock(tm) System you can select the perfect fifth wheel for your application. We offer a complete line of top plates and mounting options to handle even the most demanding jobs.
The advanced technology employed in our design, manufacturing and testing enables Fontaine to lead the industry in quality and durability.
In fact, Fontaine was the first ISO9001 certified fifth wheel manufacturer in North America. This quality benchmark gives you the assurance that our products are built to the absolute highest standards in the industry. Compare the Fontaine TechLock(tm) System with anything on the market and see why our customers say, "You just can't beat the System."
No-Slack(r)II
(6000 Series)
50,000 pounds vertical load
150,000 pounds drawbar pull
The innovative No-Slack(r)II fifth wheel is designed for on-highway applications. It features the patented self-adjusting No-Slack(r)II locking mechanism with a positive secondary lock that con only be released by pulling the handle. A safety trigger eliminates the possibility of false couplings to prevent dangerous high hitching. The pull force required to open the wheel is only 65 pounds. It weighs 218 pounds.
No-Slack (5092
Series)
62,500 pounds vertical load
150,000 pounds drawbar pull
The heavy duty H5092 fifth wheel is designed for heavy duty applications such as logging, chip hauling and end dump trailers. This rugged fifth wheel uses the patented self-adjusting No-Slack locking mechanism. Special steel cross members reinforce this wheel to reduce damaging fifth wheel flex under heavy loads. It weighs 280 pounds.
An extra heavy duty X5092 is also available for severe service applications. Added steel reinforcement increases the vertical load capacity to 75,000 lbs and the draw bar pull to 200,000 lbs. The extra heavy duty model weighs 334 pounds.
To select the right fifth wheel for your application, two factors must be considered: Load Capacity and Service Conditions. The two must not be confused, because a heavy load pulled over paved roads is easier service than a lighter load pulled in severe off-highway conditions.
In other words, the term "heavy duty" should not be understood to mean "severe service".
The following chart can be used as a guideline to help you choose the right fifth wheel for off-highway and severe service applications.
Off-Highway Selection Guide Application |
Less than 20% Off Highway Heavy Duty Model H5092 |
More than 20% Off Highway Extra Heavy Duty Model X5092 |
| Logging | HAFP, HPSA, HAWB, HMWS | XPSA, XAWX |
| Chip Hauling | HAFP, HPSA, HAWB, HMWS | XPSA, XAWX |
| Lowboy | HAFP, HPSA, HAWB, HMWS | XPSA, XAWX |
| Bottom Dump | HAFP, HPSA, HAWB, HMWS | XPSA, XAWX |
| End Dump | HAFP, HPSA, HAWB, HMWS | XPSA, XAWX |
| Frameless Dump | BLHPSA, BLHAWB, BLHMWS | - |
| Chart Abbreviations AFP: Adjustable Flat Plate PSA: Short Plate Mount AWB: Air Wedge Slide Bracket MWS: Manual Wedge Slide Bracket BL: Blocked H: Heavy Duty X: Extra Heavy Duty |
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| In the above chart the letter "H" leading the model number designates the heavy duty top plate (H5092) rated at 62,500 lbs. maximum vertical load with 150,000 lbs. maximum drawbar capacity. The letter "X" leading the model number designates the extra heavy duty top plate (X5092) rated at 75,000 lb. maximum vertical load with 200,000 lbs. maximum drawbar capacity. For most on-highway applications specify the No-Slack(r)II fifth wheel (6000 Series). | ||
NOTE: Rated capacities must not be exceeded in any application, and the fifth wheel load must never exceed the load rating of the tractor's tandem axles. Please refer to the Fontaine Fifth Wheel warranty statement for important warranty information. A copy of the Fontaine Service Handbook may be obtained by contacting Customer Service at 800-874-9780.