RV Gensets & Onan Microlite

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A very popular and reliable generator for RV camping and travel use is made by Cummins Onan.  The Onan Microlite Series RV genset is a top of the line unit that can be counted on to provide off site power for any RV owner’s electrical needs.  This page will cover the basic specifications of this proven and well-designed piece of equipment that provides an important feature for any recreational vehicle.

Onan has created a product line known as the Microlite 4000 genset series.  The first thing to know is the model number ID breakdown.  This is how the model number of a typical genset is built.  It cover power capacity, the product’s genre, how it is started, its voltage, spec number for special features and the spec letter.  For example, a model number of 4KYFA26100E means the unit is a 4000 watt genset in the KY product line, remote start, 120 volt and 60 Hertz, spec number code for special options and lastly the final letter is used to show any major changes in manufacturing or design.

In the KY Onan Microlite 4000 series there are two fuel types, gasoline and LPG or liquid propane gas.  The available model numbers are 4.0 KY, 3.6 KY both gasoline fueled, 3.6 KY and 3.3 KY both LPG run.  The power available for the 4.0 KY is 4000 watts and 3600 watts for the 3.6 KY.  The LPG 3.6 KY is also 3600 watts with the 3.3 KY at 3300 watts.  Obviously the number corresponds to the wattage type. 

The frequency is 60 Hertz and 50 Hertz for the gasoline 4.0 KY and 3.6 KY units respectively and 60 Hertz and 50 Hertz for the 3.6 KY and 3.3 KY LPG units respectively.  The voltage ratings for all units going down the line is 100/120 volts, 100/220/230 volts, 100/120 volts, 100/220/230 volts.  The speed for each unit respectively, 4.0 KY and 3.6 KY gas, 3.6 KY and 3.3 KY LPG is 3600 rpm, 3000 rpm, 3600 rpm and 3000 rpm.

These Onan RV gensets in the 4000 series are some of the best generators on the market.  It’s important to remember that trusting your RV power to a specific generator manufacturer means a lot to any traveler because this will be the source of power for eating, heating, air conditioning and entertainment when on the road.  No one wants to buy a cheap RV generator to save a couple bucks only to find out later that when it matters most and the generator has been running all out that there is a breakdown.  At that time no amount of saved money can make up for the lost vacation time and instead of enjoying a week or weekend in the outdoors the RV owner must leave the campground to search out an RV dealer for repair parts or even worse an RV genset technician must be called out into the field to repair the unit. 

Those who purchase a new Onan Microlite RV genset can be sure they are buying quality that is backed up by a warranty and a brand name that is known for its reliability and power output ability.  With that said, there is one last major specification worth looking into and that is fuel usage.  The fuel consumption of each unit is very important.

In this series, the following fuel consumption amounts are recorded.  For the 4.0 KY, a gasoline genset, no load is 0.29 gph (gallons per hour), half load is 0.48 gph and full load is 0.71 gph.  The 3.6 KY gasoline genset is 0.21 gph no load, 0.37 gph half load and 0.58 gph full load.  The 3.6 KY LPG genset at no load is 1.5 lbs/hour, half load is 2.4 lbs/h, full load is 3.1 lbs/h.  The 3.3 KY LPG unit at no load uses 1.1 lbs/h, at half load 2.2 lbs/h and full load is 2.9 lbs/h.

Compare the power output with the fuel consumption and choose which Onan RV genset is right for your camping and travel needs.  

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Jimmy Alvarez has 17 articles online

RV generators for camping can make a big difference in your RV and travel experience.  Generators for RVs should be researched just like any other RV part or product.

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RV Gensets & Onan Microlite

This article was published on 2012/03/29