Yes, anytime. Call or text 314-833-8000 or email sales@durvy.com. We provide direct support from our Union, MO location.

MXR4000GT Inverter Generator, Owner's Manual, Spark Plug Socket Wrench, Oil Funnel, Screwdriver, Generator Dust Cover, 2x US Plugs, Generator Parallel Cables, Pressure Relief Valve Kit, L5-30P to TT-30R Adapter.

No. The MXR4000GT ships without engine oil. Add SAE 10W-30 oil before attempting to start it. Capacity is 0.12 gal. Failure to add oil before starting will cause serious engine damage.

Oil: SAE 10W-30. Capacity is 0.12 gal. Gas: 87 octane or higher, maximum 10% ethanol. Do not use E85 or E15.

Open the side maintenance panel. A quick-connect battery plug is pre-installed on the battery. Connect the plug before first use. Disconnect the battery if storing the generator long-term.

Search for "Maxpeedingrods" in the App Store or Google Play. Open the main switch, then press and hold the RESET button on the control panel for 3 seconds to initiate pairing. The app displays output power, fuel level, voltage, frequency, runtime, and generator status.

Check oil and fuel, start via app or push button and confirm the display is populating correctly, verify Bluetooth connection, and pack a spare quart of oil and a backup spark plug (A5RTC).

Yes. A 30 amp RV typically requires up to 3,600 watts at 120V. With 3,200 running watts, the MXR4000GT can support most 30 amp RV setups including a rooftop air conditioner and standard appliances. Confirm your specific load before connecting.

In many setups, yes. A 13,500 BTU RV AC typically draws around 1,500 running watts with a 3,000 watt startup surge. The MXR4000GT has 4,000 peak watts available to handle the surge. Turn off Low Idle Mode before starting the AC compressor.

Yes. The box includes an L5-30P to TT-30R adapter for standard 30 amp RV connections.

Portable generators have a floating neutral. Many RV EMS and surge protector systems require a bonded neutral. Use a neutral-ground bonding plug in one of the 20A outlets to resolve this.

No. Turn Low Idle off before starting heavy loads so the engine runs at full RPM for the startup surge. Turn it back on once the compressor is running if you want to save fuel.

Yes. Use the included parallel cables to link two units. The combined output is approximately 90% of the sum of both generators' power. The parallel kit uses the dedicated connector ports on the control panel — not the AC receptacles.

Use the FUEL SOURCE switch on the control panel. For propane, connect the LPG hose to the inlet on the control panel and open the propane tank before starting. For gasoline, switch to the gasoline position. Do not switch fuels while running under load.

Not quite. On propane, the MXR4000GT produces 3,600 peak watts and 3,000 running watts — slightly less than the 4,000/3,200 watt gasoline ratings. For most backup and RV use, the difference is not significant.

Propane stores indefinitely without degrading, which makes it a better option if the generator will sit unused for months. Gasoline can go stale in as little as 30 days without a stabilizer, which can clog the carburetor.

If you have trouble starting on propane, the manual recommends starting on gasoline first and then switching the fuel source to LPG after the engine is running and there is no load connected.

The MXR4000GT connects to a standard propane tank via an LPG hose (not included). A standard 20 lb barbecue propane tank is the most common choice for portable use. Always close the tank valve when the generator is not running on propane.

For essential backup use, yes. A refrigerator, chest freezer, lights, router, and phone chargers typically draw well under 2,000 running watts combined. The MXR4000GT handles that load with room to spare for additional items.

A standard 1/2 HP well pump draws around 1,000 running watts with a 2,000 watt startup surge. The MXR4000GT can handle this, but avoid running other large loads simultaneously when starting the pump.

Yes. The 120V/30A outlet is suitable for connection to a compatible manual transfer switch. Transfer switch installation should be performed by a licensed electrician. Never connect a portable generator directly to a household circuit without a proper transfer switch.

Yes. Starlink draws approximately 50–75 running watts. The MXR4000GT's pure sine wave output is well-suited for Starlink and other sensitive electronics.

Check engine oil and air filter before each use. Change oil after the first 20 hours, then every 50 hours or every 3 months. Clean the spark arrestor every 50 hours. Inspect the spark plug yearly and replace if worn.

For short storage (under 30 days): add fuel stabilizer to the tank. For longer storage: drain the tank and carburetor completely. The easiest method is to turn the fuel switch OFF while the engine is running and let it burn off all remaining fuel from the lines before shutting down.

Old or stale gasoline is the most common cause. Drain the tank, add fresh 87 octane fuel, and try again. Cold temperatures can also thicken oil — allow a warm-up period before adding a load in cold weather.

It is equipped with a spark arrestor and runs as an inverter generator. Check specific campground or park rules before use, as noise and equipment requirements vary by location.