Firman H05753 VS. DuroStar DS4000S

Yes, it is a portable generator

7100 starting watts for gas and 7125 starting watts for propane

Runs at 5700 watts for both gas and propane

RV ready through multi feature control panel. The outlets are covered

Uses gasoline for emergency power supply

Takes 25 hours of THD at a full load

it has a recoil start

Electric start system

it uses a dual fuel technology

Operational with both gasoline and propane. Also has an extended 5.5 foot propane hose

20 and 30 Amps

120/240 voltage

60 Hz

N/A

439 cc dual fuel engine

N/A

N/A

Certified by EPA

Easy to start using a simple push of the button. Uses the engine on and off switch

8 gallons – very large fuel tank capacity

N/A

Up to 13 hours of runtime at 1/2 load of gasoline

Takes approximately 13 hours at 1/2 propane load

It comes with a low oil shut off to protect engine

Air cooled using the Phoenix fat head block

439 cc engine capacity

N/A

Runs at 74 decibels

Multi-purpose generator – suitable for worksites, camping, outdoors and delivers emergency power

It’s a heavy duty generator. Able to deliver heavy lightning needs and power up tools

Framed for durability using a tubular roll cage frame

Features the electric and recoil starting methods

Built with an open frame design

Includes outlets like 1 L14-30R twist lock 30A-120/240VAC, 1 L5-30R 30A-120VAC and 2 5-20R 120V 20A duplex GFCI type

Portable generator – can be easily transported through the wheels, handle and lightweight

196 pounds

Heavy duty 10 inch never flat wheels. Maneuvers along multiple floors perfectly

U shaped folding handle. Provides a very comfortable grip

Up to3 years of warranty

32.1 x 24.4 x 22.2 inches

Oil, owner’s manual, funnel, spark plug wrench and two wrenches for removing protective shipping brackets

Turns off on its own to indicate low oil in fuel tank

Inbuilt low oil shutdown

74 dBA through the whisper series muffler to make it run quietly

- Built with a heavy duty wheel kit which is over sized and flat free - includes a high leverage handle that folds for a comfy grip - 3 in 1 data minder which monitors voltage, running hours and frequency - It’s a dual fuel type of gasoline and propane fuel for flexibility - Features a 439 cc fuel engine and a cast iron sleeve - Will automatically shut off once low fuel remains in the tank - 4550 starting watts for gas and 4100 for propane - 3650 of running watts for gas and 3300 watts for propane - Built with a 5.5 foot propane hose that is convenient when using larger propane tank - Multi featured control panel is suitably located with outlet covers to guard from dust, dirt and debris - Can both use the recoil and electric starting method - A 5 gallon fuel tank that can run for 13 hours on a 50% charge - A durable compact tubular roll cage frame design - Generator comes with a 3 year warranty - Arrives with oil, funnel, owner’s manual, and spark plug wrench - It comes with outlets like 1 L14-30R twist lock 30A-120/240VAC, 1 L5-30R 30A-120VAC and 2 5-20R 120V 20A duplex GFCI type

- No cold start technology - Cannot be charged using solar - Creates a little noise while running