Will Gooseneck to Fifth Wheel Trailer Adapter # KPG5-Q25-IP Fit Fifth Wheel Plate On A Mack Semi  

The king pin of the #BD0289640300 matches the same dimensions as what your tractor trailer would be designed to attach to. So yes, this would work for your tractor.

All of the replace inner square tube adapters that we carry like #KPG5-Q25-IP are 4 inches square. But there is an option none-the-less. You could replace the entire coupler, inner and outer tube, with something like #BD0289590300. Removal of the…

The overall length of the Ram Gooseneck to 5th Wheel Trailer Coupler Adapter - Round - 30K item #KPG5-R30IP is 29". It is 14" from the top of the tube to the first adjustment hole. I have attached a diagram detailing these…

It is possible to replace your 62" long axle with a longer one. Our next size up is going to be a 72" long 2K rated axle like part #e32GR. The axle being 72" across measured from hub-face to hub-face. This axle comes with 5…

From the center of the top hole to the top of the Bulldog Gooseneck-to-5th-Wheel Trailer Coupler Adapter #BD0289640300 is about 8-3/4". I wasn't able to get my hands on this adapter directly but if you check out the linked video you'll…

As your Kaufman 47' EZ 4 Trailer has 7,000lb axles you will need either the Hydrastar Kit #HSE7K-TR1 for 1/2" lug nuts or the Hydrastar Kit #HYD54FR for 9/16" lug nuts. Both kits include new hubs, calipers, bearings, brake lines, the…

I looked up the Big Tex 22GN Gooseneck trailer and see that it has a square tube coupler. We do have an adapter, inner tube only, for square tubes, #BD0289650300. The tube is 4 inches wide on the outside. It uses holes for pins or bolts though so if…

You can use the Pollack #PK11700 to install on your gooseneck trailer and create a 7 way plug capable of fitting on the 7 pole round plug that is on a semi tractor trailer truck. For the wiring you can use the Deka Jacketed 7 Wire #DW04914-1 which is…

By king pin sleeve I believe you are referring to a gooseneck to 5th wheel coupler adapter, and there is one for a square inner tube: - Gooseneck to 5th Wheel Trailer Coupler Adapter - Inner Tube - Square - 25,000 lbs #KPG5-Q25-IP The #KPG5-Q25-IP…

We offer 2 square tube gooseneck-to-fifth-wheel coupler adapters, the Redline Coupler Adapter, #KPG5-Q25-IP, and the Bulldog Coupler Adapter, #BD0289650300. These are quality couplers that would do an excellent job. If I were choosing one of these…

I can help you correctly run hydraulic lines on your trailer. Adding disc brakes is a great idea, but the reason you are having such difficulty finding a schematic is because hydraulic brakes are rarely installed on 5th wheel trailers and they are…

You can refer to the linked diagram for general guidelines about minimum clearances required when towing. If you have 8 or 9-inches of vertical clearance between the bed rails and the trailer you should be fine since 6-inches is considered adequate…