I have used this cover to cover the tow jack on my trailer which has been parked up on the drive of my beach house for the last 12+ months. It has therefore been subjected to a marine type environment which plays havoc with house door fittings etc. The cover has survived intact and is now still in an "as new" condition. I am very pleased with this purchase and highly recommend it. 424779
From the center of the shaft to the front outside edge of the motor housing is 3-1/2 inches. I included some of the mounting plate when I measured for height, which is 8-1/4 inches, since that sticks out over the shaft as well. I also measured from the bracket that fixes to your trailer's A-frame to the bottom of the mounting plate for the motor and that measured 13 inches. See included picture for a visual. To make sure that you have a secure power connection to the jack motor I recommend...
I went out to the warehouse to look at the Lippert Electric A-Frame Tongue Jack, # LC285318. In order to remove the screws that secure the cover you will need a long and thin phillips head screwdriver. If you don't already have one, you'll want to purchase a Protective Cover, # UF38-944020, to keep your jack dry when you are at the campsite. This will protect the head of the jack and keep the motor protected from the elements.
So every time she has had to hitch up, which is often, raising and lowering her jack has darn near thrown her back back out. To make matters worse, with an e2 weight distribution hitch she loathes, she has to (usually) RAISE the jack up to get the coupler high enough to clear the ball, LOWER it down onto the ball. Then she has to again RAISE the hitch way up, literally lifting the back of the truck, so she can get her weight distribution bars high enough to install them. Finally, she has to LOWER it back down until the jack foot is all the way up. That's a lot of cranking and it makes Kelly cranky. (Sorry. Couldn't resist.)
Ball Screw Drive MechanismThe ball screw drive uses ball bearings (rotational friction) that offers superior performance over metal-on-metal gear mechanisms (sliding friction) used by other manufacturers. Ball screw drives use less power, have better lifting capability, provide quieter operation, and offer additional benefits.Ball Screw Drive Mechanism
One pretty awesome solution is the Towing Organizer by GR Innovations. This made in the USA organizational solution attaches around your trailer jack (either manual or electric) and gives you a place to hang two safety chains, an emergency brake cable, and an electrical harness. Making everything neat and organized (and making Marshall a very happy camper).
Eliminate the physical exertion commonly associated with lifting and lowering a trailer when you use a Stromberg Carlson 3500 lb. Electric Tongue Jack. It does the heavy lifting for you, and has lots of other features as well. For example, the trailer tongue electric jack has equalizing bars that are easy to set, so you get better results, and two separate LED night lights that provide both added safety and additional illumination. The leg extends up to 23; and although it is heavy and durable, it's also surprisingly lightweight and easy to store.
The Ultra-Fab Protective Cover for Electric A-Frame Jacks - Vinyl - 12" x 14-1/2" # UF38-944020 is the protective cover I recommend for your Husky Brute 4,500 lb Trailer Jack # HT87247. I've attached a photo of the dimensions when laid flat, but I've also attached a video to assist with the fit. It has a durable vinyl construction with integrated draw string closure.
The polished internal screw on this powered jack ensures supremely quiet operation. Easy-to-access toggle switch and bright, side-mounted LEDs make setup a cinch. Durable, corrosion-resistant jack Features: Electric jack with 12V motor lets you lift and lower your A-frame trailer quickly and easily Sturdy, polished internal screw provides extremely quiet operation Top-mounted toggle switch