Replacement Motor Head Assembly for a HappiJac 4560 Jack System

Question

Question:

I have a truck camper with happijac 4560 jacks and I am looking for a replacement motor head assembly. can you help?

asked by: David L

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Expert Reply:

Since you are looking for a replacement motor head assembly for your HappiJac 4560 jacks, it sounds like they have already been converted to electric. That would make the Replacement Clutchless Motor Head for HappiJac Truck Camper Jacks # LC759927 the correct replacement motor head assembly for your 4560 jack.

expert reply by: Scott S

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Answer 1

Yes, the Replacement Clutchless Motor Head for HappiJac Truck Camper Jacks #LC759927 would be the correct part to replace the head on your HappiJac 4150 and 4500 system if already converted to electric. If you have not already converted your 4150 and…

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Answer 2

Hey Bruno, thanks for reaching out! In order to maintain a HappiJac 4820 electric jack, from the Kit #LC736515-ELKIT, you'll need to apply some light oil into the crank socket as well as maintain a few other things. I'm attaching a clip from…

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Answer 3

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 4

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 5

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 6

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 7

Hey Doug! The Firestone Ride-Rite Air Helper Springs #F35FV are the right kit for your 2026 Ford F-350 FX4 dually. However, you will need to measure to be sure it fits. The distance from the top of your rear axle to the top of the jounce bump stop…

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Answer 8

Hey Jonathon thank you so much for all of that additional information! To haul your bikes behind your class C Sprinter motorhome, while flat towing your Mini, I recommend the Hollywood Racks RV Rider Bike Rack item #HLY64FR and the Roadmaster Dual…

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Answer 9

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.…

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Answer 10

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 11

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

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Answer 12

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Replacement Motor Head Assembly for a HappiJac 4560 Jack System

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