Woot offers DuroStar DS4000S Portable Generator, Yellow/Black for $269.99 (orig. $399.99). Free shipping for Prime Members.

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). 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 miles from civilization. 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 dB rating), and automatic low-oil shut off to protect the engine. An optional wheel kit is also available for the DS4000S, enabling easy portability. Item Weight: 94-lbs.
POWERFUL DUROSTAR ENGINE:

• The DS4000S is Powered by a 7Hp 208cc OHV Durostar Engine
• Quiet Muffler reduces engine noise
• Handle and Wheel Kit not included 

GAS POWERED TECHNOLOGY:

• Run your generator with Gasoline for long lasting power
• Low oil shut-off protects the engine

PLENTY OF POWER:

• With 4,000 starting watts and 3,300 running watts, this unit provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy duty power tools.

MAXIMUM POWER:

• With Durostar, get the power you need with a power panel that provides:
• (2) 120V household outlets and
• (1) 120V 30A twist lock outlet.

POWERING EVERYONE ANYWHERE:

• Like all Durostar generators, the DS4000S is EPA and CARB approved for use in all 50 states.
• Equipped with Low Oil Protection, AC & DC Regulators, and a Spark Arrestor
• Use the E-Z 1-Pull Recoil Cord to start the generator
• USER MANUAL
• Wheel kit and handle NOT included