Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant

Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant

Key features

  • 4000 peak watts / 3200 running watts on gas
  • 3700 peak watts / 3000 running watts on propane
  • Continuous operation up to 4.5-hours at half load (1.1 Gallon Fuel Tank)
  • Ultra lightweight at only 47.3 pounds, ideal for outdoor activity use
  • Super quiet, making around 59db at half load
  • High speed 5.5HP 145cc engine, good for emergency home backup power
BrandPulsar
CategoryGenerators
SizeGD400BN
Color4000w Dual Fuel Inverter Generator
Warranty1 year manufacturer

Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant

List Price: $871.55$784.40DEALYou Save: $87.15 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (30)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

Customer Reviews

Reviews sourced from verified Amazon purchasers
4.4
out of 5
Based on 10 reviews
5
90%
4
10%
3
0%
2
0%
1
0%
Works OK for an RV + AC300 Bluetti
Layne✓ Verified PurchaseApril 24, 2024
My use case is a travel trailer hooked up to a Bluetti AC300 Solar Battery system. I don't have a large enough solar array (yet) on the RV to charge the batteries to full but enough solar to cover our normal usage inside (not counting things like A/C). So my intent for the generator is to charge the batteries in a few hours a day so we can make it through the night with some medical machines inside when there isn't shore power. The generator isn't too loud, but it is louder under load than we expected it to be.

As for our use case, this claims 4000W peak, 3200 Continuous on Gas and 3600W peak / 2800 W on propane. I have only used it on Propane.

We just took this setup out for our first trip. The AC300 lets me change what my "Grid" power is rated at (15A, 20A, 25A or 30A). Here is how this worked out:

At 30A setting on the AC300 (connected to the 30A on the generator) the AC300 tries to pull 3000W. The Generator quits, never gets to the full power. In fact, the Generator quits right around 2200-2400W, cuts the power, and resets itself.

At 25A setting on the AC300, it tries to pull 2500-2800 Watts. Theoretically, this generator can do that. It doesn't, still resets and cuts power.

At 20A setting, the AC300 will pull around 2200-2400W. This works for about 5 minutes, then again the generator cuts power.

At 15A, it pulls around 1800W. This is stable, while plugged into the 30A port. This will charge my batteries in a couple hours, but not if I'm running A/C.

All in all, it does work, runs on propane (all I've tested), is not too expensive for a Dual Fuel, and I will likely purchase a second to run in Parallel which is a nice feature and I think would solve my issues. My electrical knowledge is limited, I'm not sure why I can't get the rated wattage, but it's getting us through our "boondocking" trip for now.

Since I will need two of them though, at $500+ each, there is probably $1000 generators that would have been a better purchase for my use case.
Efficient, Small, Quiet, and Capable
Gregory Robinson✓ Verified PurchaseMarch 30, 2024
*Update 1/17/24* Still working great, still running it only on propane. We have been having single digit temperature weather and I have been able to get the generator started relatively easy to run the block heater on my truck. Truck is parked far enough from an outlet that it's easier to turn on the generator to get power by the truck that way. When power went out it was also great to have the electronic safe power that this provided. Starlink internet kept the home entertained, the generator ran other electronics, and propane kept us heated. Overall, still very happy with the generator.

Have not run the generator on gas, only have ran mine on propane. Generator ships with all you need to get started, except the fuel source. Oil funnel is also used to drain the oil. Makes it very mess free for oil changes. Which I recommend changing after the first hour, since there's all kind of glitter in the first oil change. I then ran it another couple hours and changed again. Much cleaner this time. Holds 15 ounces of oil so a standard quart of oil can do two oil changes. In total I changed the oil three times during the break in before switching in full synthetic oil.

It runs very quiet and stays pretty quiet under load. Quieter than a smaller 700 watt inverter generator I have and while not as fuel efficient it is still very economical with how much propane it uses. Revs up to produce power and has run my 10,000 btu window ac without issue. Ran a 5,000 btu and small .7 cubic foot microwave at the same time off of it. I love the size of this unit for the amount of power it produces. You can parallel two of them if you need more power. Really the only downsides I have would be no electric start, and the outlet selection is sparse. Got mine with coupon off of Amazon and have no regrets so far. Will update if anything negative happens
Quality product
Aaron L. Villa✓ Verified PurchaseMarch 14, 2024
I've been a Honda Generator fan for years. I have the Honda 3000IS converted to propane. Works great and noise level is low, but with the weight at almost 100lbs and the size it's not very easy to haul around. The Pulsar Generator is what I was looking for with the Duel fuel and its very compact. Noise level is also great. I recommend this generator for anyone who is overlanding.
Game Changer!!
joe u✓ Verified PurchaseFebruary 11, 2024
This generator is a game changer after breaking in. I did a test run on my travel trailer. 1350 air conditioner and 1100 W microwave with a few lights in my travel trailer had no hiccups. So overwhelmed because this was propane only. No need to parallel.
How companies still making a 2500 are in the past..
Same size and weight as my older Yamaha EF2000Is, more watts and runs on propane!
Christine✓ Verified PurchaseJanuary 26, 2024
Slightly louder than my older Yamaha EF2000Is inverter, but can run my A.C. in my truck camper, and converted to propane allowing much longer run times with no need to drain carb after use. A winner!
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