How to Install a Portable Generator in an RV

by Craig Woodman
rv image by Greg Pickens from Fotolia.com

Today's self-contained recreational vehicles contain most of the amenities of home, including bathrooms and refrigerators. While they use batteries for power to run lights and other accessories, a household current source is needed to operate anything using 110 volt AC power. Many motor homes come with generators built in, but with an investment of a few afternoons, you can install a portable generator in a towed RV as well.

Step 1

Inspect the RV to determine where to mount the generator. On a travel trailer, you may want to mount the generator on the A-frame at the front of the trailer near the hitch behind the propane tanks. With a fifth-wheel trailer there may be a compartment in the front where the generator could be placed. If there is no room at the front, the generator can be mounted on the rear of the RV provided the bumper can support the weight. To make the determination, examine how the bumper is attached to the frame. If it is welded or bolted with a large section of metal at least 12 inches long running parallel to the frame, it may be able to support the weight. If the bumper just butts against the frame with little or no support, a support structure needs to be installed.

Step 2

Fabricate the sub-structure for the platform. On the front A-frame, the platform may be bolted to the frame. On the rear bumper, attach metal channel perpendicular to the bumper by either drilling and bolting through the bumper or use U-bolts to secure it. If you are mounting the generator directly to the frame, attach the metal channel to at least 18 inches of the frame and secure with U-bolts.

Step 3

Mount the platform directly on the front A-frame for a front installation by placing U-bolts through the mesh and over the frame. Tighten the U-bolts. For rear mounting, place U-bolts or similar fasteners through the mesh in the bottom of the platform and secure them around the fabricated metal channel sub-structure.

Step 4

Place the generator on the flat platform, keeping its weight near the center of the platform. Secure the generator to the platform. If the generator base has holes in it to place bolts through, do so. If the generator does not have openings for bolts, you may need to use ratchet straps to secure it. Hook each end of the strap to the mesh bottom of the platform. Run the straps over the top of the generator and tighten.

Connect the electrical system of the generator to the RV. If you hook the generator to a transfer switch, you allow for easier conversion from generator to shore power. You can hook up the power cord from the shore power connector to the RV generator to energize the RV.

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