Model # G50MG0950KV

Internet #203077276

Valsi 5,000-Watt Kohler Command Gasoline Powered PRO Portable Single Phase Contractor Generator


5,000-Watt Kohler Command Gasoline Powered PRO Portable Single Phase Contractor Generator

$61900 /each
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Frequently Bought Together

Product Overview

Valsi is a brand of high end portable generators manufactured in North America. Our generators are built to the highest standards utilizing industrial grade brand name gas engines and all copper winding alternators with low harmonic distortion clean output and 5000 hour alternator service life. All our units come with as standard, wheel portability kit, steel constructed gas tank, voltmeter and no flat wheels with a 1 year commercial and 2 year residential warranty.

  • 5000-watt maximum and 4300-watt continuous provides clean power output for appliances, tools and power outages
  • Rugged all steel construction 6.8 gallon gas tanks with fuel gauge provides generator with 8.5 continuous run times
  • Kohler command pro CH395 industrial grade gasoline engine provides dependable long life power with easy recoil start
  • Twin bearing, brushless, all copper winding alternator with 5000 hour service life and less than 5 harmonic distortion for clean power output, no need for an AVR (auto voltage regulation)
  • Two 120-volt outlets and one 220-volt Twistlock outlet with rain protection caps and overload protection
  • High and low oil level engine shutdown to prevent engine damage
  • 8 in. Solid no flat wheels and handle kit for easy maintenance and portability
  • 1 in. Square tube constructed full protection frame with powder coat anti-corrosion paint finish
  • Click on the “More Info” tab to download the specifications pdf to view the wattage requirement guide

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Length (in.)
Product Width (in.)


Built-in inverter
CA (CARB) Compliant
Not CARB Compliant
Continuous Wattage
Engine Displacement (cc)
Engine Make
OEM Branded
Engine manufacturer
Fuel Tank Capacity (gallons)
Fuel type
Full load fuel consumption (gallons/hour)
Generator Features
Fuel Gauge,Low Oil Shutdown,Wheel Kit
Horsepower (hp)
9.5 hp
Number of circuits/outlets
Operational volume (dB)
Osha Required GFCI Outlets
Peak Wattage
Product Weight (lb.)
Run time at 50% load (hours/tank)
Voltage (volts)
Wheel Kit Included

Warranty / Certifications

Certifications and Listings
No Certifications or Listings
Manufacturer Warranty
2 Year Commercial

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Customer Questions & Answers

Does it have an electric start?

Asked by: Jared
No, this model has a recoil start.
Answered by: CommunityAnswer
Date published: 2016-01-17
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Customer Reviews

5,000-Watt Kohler Command Gasoline Powered PRO Portable Single Phase Contractor Generator is rated 4.3 out of 5 by 8.
Rated 5 out of 5 by from Great value, really solid product Never heard of Valsi before, but that was the only "clean power" generator available in the wake of Sandy, so I ordered it (the 5000W version). Kohler engine is definitely a plus, so that was another selling point for me. The generator arrived by truck, pretty promptly. I unpacked it. First impression: made very solid, heavy-duty frame, Kohler engine, big, solid alternator. It wouldn't start at first, but I quickly realized that it was because I forgot to add oil. After adding oil, it started right up. It holds the voltage and the frequency pretty well, all within 5% of the norm, just like advertised, so the "clean power" claim seems accurate. The RPMs dip briefly when bringing a big load online, but that is only for a few seconds -- it resumes quickly and continues chugging along, delivering steady voltage. I had the heat (forced air), lights, fridge and the TV going all at the same time -- no issues. Really good on gas -- used only 1/3rd of the tank in 6 hours under the average load! Your mileage may vary, but I'm very happy with what I got. I've read another review about the issue with the warranty. That is indeed a problem, that that is why I've purchased Home Depot's own protection plan for three years. Certainly worth the peace of mind, no matter what generator you buy. So far I've been using it for two days straight, just to break it in and to test it; No issues. Not overly noisy. Any portable generator is noisy by its nature, but this one is no more so than my lawnmower, unlike some other ones (my neighbor's Generac for one) that make you feel like you're losing your hearing by minute when you get too close. This one is tolerable enough, and it was not loud at all when I was inside the house and it was right outside the closed window. Changed the oil after the first 5 hours, as instructed. I'm using synthetic oil. All in all, based on the visible quality of work, this thing is solid, and considering how inexpensive it is vs. the quality, it's a no-brainer: buy it. All in all: This Valsi 5000W is truly a commercial/worksite duty generator, built extremely well, delivering clean power while being good on gas. What else can I ask for?
Date published: 2012-12-04
Rated 5 out of 5 by from Outstanding value from a lesser known brand Hurricane Sandy and our many, many days without power sent me looking for a generator. After much research, I've picked this one. I've heard of Valsi as the high-end worksite equipment brand, and they truly are. I just didn't know that I could buy such a high-quality generator for a little over $600. I've compared it to a few options out there, and I'm glad that I got this one: a Valsi 5000 W with a Kohler engine. I've considered a few other options, but: Hondas are too expensive -- their reputation is the quality, but whether or not you want to pay $2000 for a Honda, is up to you. In my humble opinion, you get a very decent generator for a lot less money in a Valsi. Generac still has the name, but it is not the same anymore; Most of those are now made in China, and fromwhat I hear, the quality has dropped somewhat. Here's what sold me on Valsi; Between the engine and the alternator, it is made in North America (Mexico and USA). The alternator is top notch; Same is the rest of the unit. It is supposed to be a "worksite quality", i.e. commercial-grade, and it really is. From the way it's assembled, to the quality of the parts, it is truly a workhorse. Another reviewer remarked on the quality of the power; I have to say that this one DOES deliver a pretty clean power. The sine wave is as good as it can get for a non-inverter generator, and the voltage/frequency are as advertised: within 5% of the norm. Any aberrations are easily adjustable with the idle control, that still translates into steady-quality output, even under loads. My personal loads included ALL the lights in a 1000 ft2 house, a forced-air furnace, a fridge, a TV and a couple of computers. Even when we would turn on an 1800-watt microwave, in addition to all other loads, the generator would not hesitate much at all, and continue chugging along. The gas economy is very, very good too. I don't know what percentage of the 50% load my setup was, but the runtime was much better than advertised: 8 gallons for the ENTIRE day (and night), so essentially it ran for almost 24 hours on a very little more than the full 6.8-gallon tank. I was being conservative with the lights, and, obviously, your results may vary, but this is very impressive fuel economy if you ask me. The low oil shutdown helped me right away: I assumed that it came pre-filled with oil, but the oil that I saw on the dipstick was just the assembly oil. After figuring it out, I've added the oil to the engine and it started right up. I am very happy with this unit. Given a chance, I'd buy another one if I ever needed to..
Date published: 2012-11-25
Rated 5 out of 5 by from Top notch generator. I've worked with this brand before and it really gets the job done. The generator performs flawlessly and is less noisy than other brands. It's very reliable and the price is certainly comprehensible.
Date published: 2012-05-14
Rated 5 out of 5 by from Amazing product It has been over a year since I've used this product and I'm still amazed with the results. The generator runs more than twice as other brands and needs very little to no maintenance. It really is in the heavy-duty range.
Date published: 2012-10-29
Rated 1 out of 5 by from Poor workmanship and customer support Opened box to find 2 different size wheels and damaged muffler. Company has no customer service dept. and does not answer the phone. I then called the approved Service Center listed on their website and was told that they no longer support Valsi.
Date published: 2012-11-27
Rated 3 out of 5 by from good for worksite not for home Powerful engine and solid construction.Voltage and frequency only suitable for tools and should never be used to power electronics, even with an avr.
Date published: 2012-11-15
Rated 5 out of 5 by from good value/good quality descrition different then advertised but pleased by excellent quality well made uses about 1/2 gallon per hour better than advertised already but in use. would recommend it to every one, looks like I am going to buy more of them next year
Date published: 2014-10-30
Rated 5 out of 5 by from good quality works very good BUT THIS REVIEW IS WAY TOO LONG !!
Date published: 2012-07-31
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