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Difference in Leland Pin Boxes And What Sidewinder Needed For 2006 Dodge Ram


whats the difference between Leland 7910,7920,7921. and of course I have a 7900 and i was told it would fit would there be enough predrilled holes was it a discontinued model i cant figure what it could be and i also have a pro series 16k hitch they said that will fit also i just would like to double check if theres been extra and unnecessary work ill be the one who gets it thank you


Expert Reply:

The Leland pin boxes 7910, 7920 and 7921 are all different model pin boxes that just fit different trailer applications. The 7910 pin box is a standard type and the 7920 and 7921 pin boxes are extended type.

The Sidewinder Fifth Wheel King Pin with Rotating Turret, # ST400-5AS16K, is listed as the Sidewinder to fit all three of the Leland pin boxes.

I am sending a page link to show what sidewinder fits what pin boxes.

I could not find a pin box with a number 7900. I called our supplier (Sidewinder) and asked if they had a listing on a 7900 and they did not. You might want to verify the part number by looking on your pin box, it is either stamped or on a sticker on the pin box. If it is not on the pin box or worn off you can call the trailer manufacturer to see what pin box you have by giving them the vin or serial number of you trailer.

If your 2006 Dodge Ram Truck has a 8 foot bed or you have a 6 foot bed, and it is not a mega cab and does not have overload springs, and you are using a Sidewinder then the Reese 16K Fifth Wheel Hitch, # 30047, would work with the Reese Fifth Wheel Installation Kit, # 50040-6008.

I am sending links to the installation instructions on the hitches.

expert reply by:
Jeff D

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