DuroStar DS4000S 4,000 Watt 7.0 HP OHV 4-Cycle Gas Powered Portable Generator

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Price: $329.99    

Product Feature

• 4000 Watt Surge/3300 watt continuous
• 4 Gallon gas tank/8 hour run time
• EZ-Pull recoil start
• EPA Approved
• Automatic low oil shut off

Product Description

Durable DuroMax 7.0 Hp, air cooled OHV engine with low oil shutoff . Heavy duty steel frame with four point fully isolated motor mounts for smooth and quiet operation. Full power panel with engine shutoff switch, volt meter, circuit breaker and power outlets. (2) Fully protected 120V outlets and (1) 120V twist-lock outlet. 8 Hour run time. All steel 4.0 gal. fuel tank with ez-read gauge. Low oil shut-off protects engine. Super quiet muffler reduces engine noise. Specifications: Max AC Output: 4000 watts / Rated AC Output: 3300 watts. Current: 120V, (2) 120v 20A 3-prong outlets (Standard Household plug), (1) 120v 30A twist lock. Low oil shutoff. EPA approved engines. Super quiet exhaust w/built-in spark arrestor. EZ-Pull Recoil start. 7.0 Hp air cooled OHV engine. Fuel Tank Capacity: 4.0 gal. Decibel: 69 dBA. Run-Time: at 50-Percent Maximum Output: 8.0 hrs. Includes: Spark plug wrench? Shipping Weight: 135.00-Pounds.

DuroStar DS4000S 4,000 Watt 7.0 HP OHV 4-Cycle Gas Powered Portable Generator Review

I bought this generator in preparation for hurricane Irene. Ordered it on Wen., it arrived on Fri., just in time to set it up before the storm (can't beat Amazon Prime!). The generator was easy to set up and started in one pull. This generator provided power sufficient to run the refrigerator, a mini-split a/c unit, TV, and a couple of fluorescent lights for two days. Under this load, a full tank (4 gallons) lasted around 12-14 hours. This unit appears to be a Chinese import so I do have my doubts about long-term reliability, never the less, the DS4000 appears surprisingly well-constructed and capable for the price.

Pros:
Inexpensive
Easy to Operate
Relatively Quiet (compared to a 22" lawn mower)
Compact
Easy to read fuel gauge

Cons:
Recommended oil change interval of 20 hours (change the oil every other time you fill the gas tank?)
Oil drain obscured by frame below (as oil drains it runs along the frame and makes a mess)
No watt or amp meter (Has volt meter, but why?)
Earth grounding post and hardware (nuts and washers) are too small
Packaging is inadequate for UPS Ground Shipping (operating panel was dented on arrival)

Update 9/18/2012

It's been a full year since I've used this generator. After Hurricane Irene, I drained the fuel tank and changed the oil. This evening the power went out, so I filled the tank and the generator started on the second pull. I love this thing!

Update 11/5/2012

Just got the power back after 7 days; this time it was Sandy The DS4000 proved itself as the little generator that could, running 16 hrs/day for seven days without a problem. I've been using synthetic oil (Royal Purple SAE 30) and extending the oil change interval to once every 2 days (32 hours of use). Doesn't seem to use much oil, maybe down one or two ounces in this interval. I really do love this generator!

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