A G-Trailer (top left) is a trailer with a deck and spring suspension. These trailers are designed to use a fuel tank that hangs under the deck. A GL-Trailer (bottom left) is designed with the crossmembers at the bottom of the frame and uses Torflex axles. This allows the trailer to sit lower to support a generator with a tall factory tank or an MGS-made mobile-double wall base tank.
The tongue jack is a standard piece of equipment on an MGS trailer. There is normally a rectangular foot on the bottom of the jack. We also offer a jack with an optional swivel foot (shown left) for trailers up to 13,200 lb. GVWR.
Stabilizer jacks can be added to the trailer to allow it to be leveled on uneven terrain. These jacks are typically put at the rear corners of the trailer frame. They can also be added to the front corners of the frame for additional adjustment to the trailer and load.
The standard hitch on an MGS trailer is the 3" lunette eye (top left). Other options include a 2" ball coupler or a 2-5/16" ball coupler. The 2" ball coupler is available for our GVWR trailers of 5,500 lbs and below, and a 2-5/16" ball coupler is available for larger trailers.
MGS offers a optional cast-aluminum wheel chock for the generator trailers. These are hung on a stainless steel bracket on the trailer and are connected by a chain to the frame rail. The hanger also has a vinyl backing to protect the finish from scraping by the bottom of the chock.
MGS can supply and mount boxes to store your equipment. Standard rectangular boxes can be mounted at the front or back of the deck or trailer frame. Tongue boxes can be mounted down inside of the "A" frame of the trailer.
Cable racks and cable posts can be added to your trailer for better cable handling. A rack is typically welded to the trailer frame and is made to have the cable wrapped around its legs. Cable posts are usually put in the corners of the deck to contain a cable that is wrapped around the generator.
There are three plugs that MGS typically uses for our trailers. Our standard configuration is a 6-wire round pin plug (top, left). We can also install a 7-wire round-pin plug (equivalent to an SAE J560-middle, left) or a 7-wire RV plug (bottom, left) as required.
MGS produces two types of UL-142 tanks, a closed-top diked tank (top, left) and a secondary containment tank (bottom left). A closed top diked tank has the inner tank pressure tested and the outer tank vented to the atmosphere. A secondary containment tank has both the inner and outer tank pressure tested. The most visible difference is that the CTD had one emergency vent, while the SC has 2 emergency vents. Both tank types are double-walled.
MGS uses a weighted emergency vent on its UL-142 tanks. These vents are sized according to the wetted surface area inside of the tank. In the event of a pressure build up in the tank, these vents allow vapor to escape. The weight (painted black) pushes upward a given distance, so clearance must be allowed for these vents to operate fully.
The standard leak detection switch is installed in the tank's interstitial space to detect fluid in that area. The standard switch is mounted in the sidewall of the tank, but a standard float switch can be used for the same purpose if a top-mounted switch is required.
MGS can supply 1000 watt immersion heaters in the tank. These heaters are threaded into a 2" NPT port in the tank top, and are located near the engine suction line to keep that given area of fuel warm during cold weather for emergency start-up.
For tanks required to be wider than the generator, MGS will install mounting rails on top of the tank. In addition, if a sound attenuated unit is to be mounted, a sound guard with foam lining will be provided to close off the area between the rails, tank and generator skid. A rodent guard can be installed for this same effect (less foam) if it is required for a weather enclosed unit.
An electric stub-up area in the tank allows for the conduit to pass through the concrete pad and up through the tank to the generator's circuit breaker. These are typical for enclosed generators and can be omitted for situations such as building installs where wiring comes in from overhead.