5th Wheel Pin Box - Upgraded Pin Box

I spoke with my contact at Trailair and from your serial number we were able to determine that your trailer came with a 1621 HD pin box which is a long pin box style. I was unable to obtain the exact part number for your Trailair pin box but from the…

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

...Is a Curt Helix pin box compatible with the Anderson ultimate fifth wheel hitch...

Hey Jim, When it comes to chucking I'd have to say that the Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box #325-GH-8040 is going to be the better option over the Lippert/Curt Flex Air Pin Box #LC369535. The Gen-Y has a rubber torsion spring design…

The difference between the 1621 and the 1621SHD is weight capacity and how many bolts is required to mount it. The 1621 uses 4 bolts for mounting. The 1621SHD requires all 6 bolts to be used.

Hey Lee, For your specific pin box and bolt pattern we do not have a Curt Helux for it yet. Based off of your photo the pin box on your trailer is going to be the Lippert 1621 model, or the Lippert 1621 bolt pattern. We do have a #LC369535, Curt Flex…

Hey Blake, welcome back! Gen-Y has improved their pin boxes so they cover a wider range now. It looks like we need to update that chart since that also means fitment is based on GVWR alone. The Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box - Lippert…

...Hello, i have the rhino pin box noted in pics. Trying to 1, determine the p/p: of the pin box and ultimately what i can replace with via direct bolt on. Have thought of the air bag systems...

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

Hello Keith, Wow, that is a really nice 5th wheel, congrats!! The Reese Goose Box #RP59KR is a great choice for replacing the factory Rhino-mount pin box on your 2025 Coachman Brookstone 374RK, particularly because of your need for a front bolt hole…

Hey Randy, we have what you need but you will need to measure the width of your pin box to determine which capture plate you need. If it's 13-3/8 inches wide you'd want the part #PUL26RR or if it's 13-5/8 inches you'd need the part…

There is only one option to replace a Lippert, which is now Curt, Turning Point. You will want the Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box item #GY48GR. As far as make and model goes. 5th wheel trailer pin boxes are not model…

I spoke with my contact at Trailair and from your serial number we were able to determine that your trailer came with a 1621 HD pin box which is a long pin box style. I was unable to obtain the exact part number for your Trailair pin box but from the…

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

...Is a Curt Helix pin box compatible with the Anderson ultimate fifth wheel hitch...

Hey Jim, When it comes to chucking I'd have to say that the Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box #325-GH-8040 is going to be the better option over the Lippert/Curt Flex Air Pin Box #LC369535. The Gen-Y has a rubber torsion spring design…

The difference between the 1621 and the 1621SHD is weight capacity and how many bolts is required to mount it. The 1621 uses 4 bolts for mounting. The 1621SHD requires all 6 bolts to be used.

Hey Lee, For your specific pin box and bolt pattern we do not have a Curt Helux for it yet. Based off of your photo the pin box on your trailer is going to be the Lippert 1621 model, or the Lippert 1621 bolt pattern. We do have a #LC369535, Curt Flex…

Hey Blake, welcome back! Gen-Y has improved their pin boxes so they cover a wider range now. It looks like we need to update that chart since that also means fitment is based on GVWR alone. The Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box - Lippert…

...Hello, i have the rhino pin box noted in pics. Trying to 1, determine the p/p: of the pin box and ultimately what i can replace with via direct bolt on. Have thought of the air bag systems...

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

Hello Keith, Wow, that is a really nice 5th wheel, congrats!! The Reese Goose Box #RP59KR is a great choice for replacing the factory Rhino-mount pin box on your 2025 Coachman Brookstone 374RK, particularly because of your need for a front bolt hole…

Hey Randy, we have what you need but you will need to measure the width of your pin box to determine which capture plate you need. If it's 13-3/8 inches wide you'd want the part #PUL26RR or if it's 13-5/8 inches you'd need the part…

There is only one option to replace a Lippert, which is now Curt, Turning Point. You will want the Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box item #GY48GR. As far as make and model goes. 5th wheel trailer pin boxes are not model…