1. DuroStar DS4000S 4,000 Watt 7.0 HP OHV 4-Cycle
Gas Powered Portable Generator
Product Feature
4000 Watt Surge/3300 watt continuousq
4 Gallon gas tank/8 hour run timeq
EZ-Pull recoil startq
EPA Approvedq
Automatic low oil shut offq
Read moreq
Price :
CheckPrice
Average Customer Rating
4.4 out of 5
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. Read
more
Product Description
Great for camping, RVs, sporting events, home back-up power, job sites, and more, the DuroStar DS4000S gas-powered
generator has a 7.0-horsepower air-cooled overhead valve engine with a recoil start that cranks out 3,300 constant
running watts of power (and a peak of 4,000 watts; learn more about wattage needs below). This rugged workhorse is
ideal for a wide variety of uses from getting you through a power outage to keeping you and your family supplied with
all the necessary conveniences of home while being miles from nowhere.
Heavy duty steel frame with four-point fully isolated
motor mounts (view larger).
Recoil starting (view larger).

2. Note for California residents: This model is not CARB-compliant. Units sold to California must be
CARB-compliant.
The power panel features the main controls, including start switch, volt meter, and circuit breaker. It offers
two 120-volt, 20-amp, 3-prong outlets (NEMA 5-20R) to supply power to all of your home appliances, plus
one 120-volt, 30-amp outlet (NEMA L5-30) for high-powered tools.
The DS4000S has an 8-hour run time at 1/2 load, and it has a 4-gallon fuel tank that also includes an easily
readable gauge. The heavy duty steel frame has four-point fully isolated motor mounts for smooth and
quiet operation. Other features include a recoil start, super quiet muffler that reduces engine noise (69 dBA
rating), and automatic low-oil shut off to protect the engine. An optional wheel kit is also available for the
DS4000S, enabling easy portability. Backed by a 1-year limited warranty.
What's in the Box
DuroStar generator; tool kit; operating instructions
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Compare the DuroStar Portable Generators
Model # DS4000S DS4000WGE DS7200 DS7200Q
CARB
compliant
No No No No
Fuel Gas Gas Diesel Diesel
Arc welding -- Yes -- --
Enclosure Open steel frame Open steel frame Open steel frame
Fully enclosed
frame
Running watts 3,300 3,500 5,500 5,500
Starting watts 4,000 4,000 6,000 6,000
Engine
7.0 hp air-cooled
OHV
16.0 hp air-cooled
OHV
186F single-cylinder,
4-cycle, air-cooled
186F single-cylinder,
4-cycle, air-cooled
Starting
method
Manual Electric/manual
Electric/manual plus
wireless remote
Electric/manual plus
wireless remote
Low oil
shutdown
Yes Yes Yes Yes
Spark arrestor No No Yes Yes
Fuel tank size
(gallons)
4.0 7.0 3.83 3.83
Run time
@ 50% load
8 hours 8 hours 12 hours 12 hours
Outlets
(2) 120V, 20-amp,
3-prong;
(1) 120-volt, 30-amp
twist-lock
(2) 120V, 20-amp,
3-prong;
(1) 120-volt, 30-amp
twist-lock
(2) 120V, 20-amp,
3-prong;
(1) 120-volt, 30-amp
twist-lock;
(1) 120/240-volt,
30-amp twist-lock
(2) 120V, 20-amp,
3-prong;
(1) 120-volt, 30-amp
twist-lock;
(1) 120/240-volt,
30-amp twist-lock

3. Handle style Optional Flip-up Flip-up None
Wheel type Optional Knobby all-terrain Slick style Built into bottom
Warranty 1-year, limited 1-year, limited 1-year, limited 1-year, limited
Your Generator Needs
To determine whether a generator is appropriate for your needs, you need to first add up the wattage of
tools, appliances, and motors you want to run at the same time. Then select a generator with the running
wattage rating to match or exceed the total load.
Keep in mind that tools and appliances with electric motors require additional surge wattage at startup
that can be double or triple the normal running wattage requirement. Look at the surge watts required and
make sure you choose a generator with enough additional wattage to start them. (And remember that
you're typically not starting more than half of the items at the same time.)
Here's a sampling of power ratings for common household appliances.
ITEM
RUNNING
WATTS
SURGE
WATTS
Furnace Fan (gas
or oil only) 1/8
HP
300 500
1/6 HP 500 750
1/4 HP 600 1000
1/3 HP 700 1400
1/2 HP 875 2100
Refrigerator 700 2200
Microwave Oven 625 800
Coffee Maker 1750 0
Toaster 1050-1600 0
Electric
Range/Oven
12,500 0
Well
Pump
1/3 HP 750 1400
1/2 HP 1000 2350
Sump
Pump
1/3 HP 800 1300
1/2 HP 1050 2150
ITEM
RUNNING
WATTS
SURGE
WATTS
Lights On Bulb
Television 300 0
Garage Door
Opener
1/4 HP 550 1100
1/3 HP 750 1400
Portable Heater 100-1500 0
Hair Dryer 1100-1600 0
Iron 1200 0
Water Heaters Gas 500 1500
Electric 7000-7500 0
Computers Desktop 600-800 0
Notebook 200-250 0
Monitor 200-250 0
Printer 400-600 0
Fax Machine 600-800 0
Cordless Telephone 100 0
Note: These are only estimated wattages. Please check your particular appliance for actual wattage.
Read more
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