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
Application: for use on heavy duty trucks, semi trailers, cargo trailers, boat trailers, work vehicles and a wide or narrow overland vehicle requiring quality DOT rated lighting. Product Features: Brand new, waterproof, Super bright Red LED Surface Mount, sealed 15" light Each light has 11 Super Diodes for a Bright Performance. Functions as clearance, side marker or identification light, stop, turn, tail and brake light These light bars have 3 wires for ground, brake, turn and tail light.(White is ground,Black is running lights,Red is turn and brake.) They have 2 screw holes for mounting Comes with a Polycarbonate Lens with All Weather Housing for durability Convert your old incandescent lights to more modern LEDs. Dimensions: 15.5" x 1.25" x 0.5" Hole Center to Center is 14-1/2".
According to the information I was able to find, the Ultra-Fab Electric A-Frame Jack you referenced, part # UF38-944016 would be a good choice for the Keystone Outback Toy Hauler you mentioned. The jack has a 3500 lb lift capacity, which is plenty for the listed tongue weight of the toy hauler, plus anything stowed on it. Among the many features of this jack, I like the fact that is uses LED lamps for long life as well as the fact that a 9/16 inch socket wrench can be used in an emergency...
Features: ---Strong Fine Mesh Screen --- Extra Strong Galvanized Steel Roof Flange with Mill Finish --- Vent Color is White --- Includes 70" of 3/4" Butyl Tape ---Includes 28 screws for mounting the roof vent --- No Garnish Ring --- Will replace existing Elixir or Ventline Products --- Standard OEM Dimensions (Opening 13.25" x 13.25") Mounting Flange (16.5" x 16.5") Power Vent Options Available (Visit our store for the listing) * Garnish not included.
Other types of RV accessories are designed to protect mechanical aspects of your camper. For example, new trailer brakes and torsion axles are necessary if your vehicle breaks down. However, you may also need to get RV leveling blocks to keep your camper from moving under uneven ground. These items are useful for keeping your camper running properly.

There are literally dozens of manual trailer jacks available. This is a very simple device that doesn't cost a lot of money. There aren't huge differences between the different available options, so we picked a light duty and a heavy duty manual jack option to give you an idea of what is out there. The manual trailer jacks we chose get good reviews on Amazon and are great choices if you wish to go the manual route.
Portable, wireless hitch alignment system uses interference-free digital transmission. Water-resistant camera comes with magnet and suction cup mounts for simple setup. Hand-held monitor has a 2-1/2", color LCD screen. Storage case included. Features: Hitch alignment system makes it easy to back your tow vehicle up to your trailer for hookup Simplifies lining up hitch ball with coupler Perfect for hitching up goosenecks, fifth wheels,
The efficient ball screw on this powered jack ensures smooth, quiet operation. Easy-to-access toggle switch and bright, side-mounted LEDs make setup a cinch. Durable, corrosion-resistant jack offers Features: Electric jack with 12V motor lets you lift and lower your A-frame trailer quickly and easily Efficient ball screw makes it fast and easy to position your trailer Ball bearings roll along
OK, so you have your trailer tongue weight (or a rough idea what it is). What next? If you have a weight distribution hitch that uses spring arms, it's very likely that you will need to raise both the front of the trailer and the rear of your tow vehicle in order to be able to get the spring arms onto their brackets. So not only is the tongue jack lifting the weight of the front of your trailer, it is also picking up the rear of your tow vehicle. 😳
If you've got a larger tongue jack, we've got you covered. (Literally) This cover is a slightly bigger version of our best-selling standard cover, and it's perfect for covering larger tongue jacks. Just like our original it protects your electric tongue jack with heavy-duty vinyl. It's perfect for daily use or long term storage. It is simple, effective, and critical for proper jack storage and protection. Measures 14.5 in. wide X 17.5 in. tall, works with most manufacturers' electric tongue jacks.
There are literally dozens of manual trailer jacks available. This is a very simple device that doesn't cost a lot of money. There aren't huge differences between the different available options, so we picked a light duty and a heavy duty manual jack option to give you an idea of what is out there. The manual trailer jacks we chose get good reviews on Amazon and are great choices if you wish to go the manual route.
Replaces the bottom housing kit for Husky Brute Series HB4500 and HB4500R electric trailer jacks (HT87641 and HT87247). Kit includes covers to protect both the gearbox and the motor assembly from Features: Replaces the bottom housing kit for Husky Brute Series HB4500 and HB4500R electric trailer jacks Fits HT87641 and HT87247 Included covers protect both the motor assembly and the gearbox
Jack Cover, (John Higson Cover, Jr.), American physicist and inventor (born April 6, 1920, New York, N.Y.—died Feb. 7, 2009, Mission Viejo, Calif.), spent most of his career in aerospace but became famous in the mid-1970s for inventing the TASER, a handheld weapon that fires darts attached to insulated wires to deliver debilitating electric shocks at ranges of up to several metres. Cover’s goal was to devise a nonlethal means of stopping violent acts, such as riots and hijackings. Though the TASER was initially classified as a firearm because the darts were propelled by gunpowder, in 1993 Cover used compressed nitrogen to activate the darts; the modification allowed the public to purchase his invention. The TASER name (a registered trademark) was a modified acronym from the title of one of Cover’s favourite childhood books: Tom Swift and His Electric Rifle.
The Odssey series of electric tongue jacks is the only one that comes with an emergency ratchet style crank socket allowing for easy cranking even if the propane tanks are close behind.* Emergency ratchet style crank socket* Water resistant switches* 18 inch of travel* Easy bolt on installation* Powder coated finish resists rusting.* Extra large adjustable footpad for 4,000 pound unit* Hardened all steel gears Die-cast aluminum cap* Large front light for easy night time viewing* 2 1/4 inch outer tube on 4,000 pound unit.4,000 black.
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.
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).
It sounds like there may be a short in your Bulldog jack which could have been caused by excessive moisture from the rain. Also I recommend checking the wiring from the jack to the ground and power sources. The jack grounds through the mounting hardware so you may need to temporarily remove the jack (be sure to support the trailer another way) and sand away any corrosion. Also check for corrosion or damage to the power wire and where it connects to the battery. The light switch...
Then inside, we're going to have a nice soft material. Even if the wind's blowing this around a little bit or something like that we're not going to have to worry about any abrasion on our jack. The way it works is the simple drawstring here is going to pull down and secure around the outer tube of our jack. We'll just slide it over the top just like this, then cinch to close. This is going to protect not only the jack motor body itself but also our switches and out light from any kind of discoloration from UV fading. Also, it's going to protect it from the rain, the snow, dirt, debris.
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system. trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Protective connection terminals resist corrosion Comes with dust cap for 4-way flat connector, cable
OK, so you have your trailer tongue weight (or a rough idea what it is). What next? If you have a weight distribution hitch that uses spring arms, it's very likely that you will need to raise both the front of the trailer and the rear of your tow vehicle in order to be able to get the spring arms onto their brackets. So not only is the tongue jack lifting the weight of the front of your trailer, it is also picking up the rear of your tow vehicle. 😳

The RV electric jack cover protects your unit from UV damage and environmental hazards. Universal RV electric jack covers are an excellent solution for protecting the finish and prolonging the original appearance of these systems. Each cover has 1/8″ strong and durable draw rope with a barrel cord lock in the hem for quick easy installation and removal. Recommended for storage only.


Portable, wireless hitch alignment system uses interference-free digital transmission. Water-resistant camera comes with magnet and suction cup mounts for simple setup. Hand-held monitor has a 2-1/2", color LCD screen. Storage case included. Features: Hitch alignment system makes it easy to back your tow vehicle up to your trailer for hookup Simplifies lining up hitch ball with coupler Perfect for hitching up goosenecks, fifth wheels,
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