Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant
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Availability:
19 left in stock
Arrives
Monday, Dec 22
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Style: 4000 Watts + Dual Fuel + Lightweight + RV Ready
Features
- 4000 peak watts / 3200 running watts on gas
- 3600 peak watts / 2800 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
- Safely power sensitive electronics such as televisions, cell phones, laptops, and more
Description
Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, CARB Compliant Inverter Generator, ultra-lightweight and RV Ready, 4000-Watt Gray
Brand: Pulsar
Wattage: 4000 watts
Fuel Type: propane
Power Source: gas-powered
Recommended Uses For Product: RV
Voltage: 120 Volts (AC)
Output Wattage: 4000
Special Feature: Dual Fuel
Included Components: Inverter generator
Color: 4000w Dual Fuel Inverter Generator
Brand: Pulsar
Wattage: 4000 watts
Fuel Type: propane
Power Source: gas-powered
Recommended Uses For Product: RV
Voltage: 120 Volts (AC)
Output Wattage: 4000
Special Feature: Dual Fuel
Included Components: Inverter generator
Color: 4000w Dual Fuel Inverter Generator
Product Dimensions: 18.9"L x 11.4"W x 17.3"H
Material: PVC
Model Name: GD400BN
Engine Type: 4 Stroke
Ignition System Type: recoil start
Tank Volume: 1.1 Gallons
Engine Displacement: 145 Cubic Centimeters
Total Power Outlets: 2
Engine Power Maximum: 5.5 Horsepower
Starting Wattage: 4000 Watts
Running Wattage: 3200 Watts
UPC: 814726027803
Manufacturer: Pulsar
Part Number: GD400BN
Item Weight: 23.6 pounds
Item model number: GD400BN
Size: GD400BN
Style: 4000 Watts + Dual Fuel + Lightweight + RV Ready
Item Package Quantity: 1
Special Features: Dual Fuel
Batteries Required?: No
Warranty Description: 1 year manufacturer
Date First Available: October 11, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Dec 22
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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Top Amazon Reviews
Style: 4000 Watts + Dual Fuel + Lightweight + R...
Full disclosure- i've only owned this 4000W Duel Fuel generator for 3 weeks, but I've already had some good use from it and I've been very impressed thus far! I bought this to power my truck camper, and specifically my A/C on the truck camper when it's very hot. I had been carrying a 2000W Firman gas-only generator prior, and while I can run the A/C on the camper from that, it is nearly maxxed out when I do so I don't think I could run it for long if necessary, and there is the issue of carrying gas. The storage compartment of my camper requires laying the generator almost on its side to get it in/out of the compartment, and I've had gasoline leak into the compartment prior when doing so. No Bueno!! So I bought this generator, which is virtually the same size and weight as my Firman (which otherwise I've been very impressed with as well, btw) but allows me to operate from the on-board propane tanks located in my truck camper. It's clean and convenient to do so, and this generator runs pretty quietly given it can put out 3,200W continuously and 4,000 surge watts if necessary! It also produces a clean sine wave signal, so I don't have to worry about frying my cellphone, laptops, etc while charging. It is a few decibels louder than a Honda 2000i or 2200i, but close to 2 x's the output for a few decibels more. And at lighter loads on eco mode it is still very quiet (which is where it will operate most of the time I'm using it; less than 50% load.) I bought it and broke it in and tucked it away in the camper to take to the Sierra for one last skiing weekend, and lo and behold, it saved my butt when my diesel fuel gelled and I had to run the Pulsar for 3 hours to power my truck's block heater to get it started! My Firman could have handled the 700-800W draw as well, but again, nice to pull it out, hook it to the propane extension and fire it up. On that note, with propane I do need to give it a pull or two on choke before it starts on propane, but it runs perfectly once I do so. I'm at the 5 hour mark so I'll change the oil again tomorrow which should be the last maintenance I need for awhile. I really can't believe I found a propane generator with twice the capacity as my Firman 2k/1,600W gas generator for $500 (caught a sale on Amazon.) If my experience changes over time I'll update, but so far I'm very satisfied with this Pulsar Dual Fuel generator!
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Reviewed in the United States on April 13, 2024 by Larry M. Larry M.
Style: 2300 Watts + Gas Only + USB
Love this inverter generator. Use it with my camper works great runs quiet.
Reviewed in the United States on December 9, 2025 by Michael W Engels
Style: 4000 Watts + Dual Fuel + Lightweight + R...
2024 update : first extended power outage of the winter and I pulled this out and it started up in 3 easy pulls on 1/2 choke and powered my fridges for 37 min before the power company got powered restored after i ran my extension cords. HA. it ran great for another hour in the rain before I put it away. This is all off of natural gas, so no gunked up carb. This is a 50lb 3KW (4kw surge) generator that runs great, so far. I have not had an emergency that requires long use, but I ran it for a couple hours each over a few days for break in with oil changes in between. It is powerful : i tested a space heater and some other gear to put it over 2KW load, and it help for an hour no problem. My neighbor thought i was running an air compressor and not a generator. It is quiet enough to have a conversation nearby but not as quiet as a honda. It is >50% as powerful. I have only run this on propane. Getting it started on propane was a pain the first time until I figured out the proper choke setting. The full choke setting won't start, but you have to put it at full choke until you get a partial start, then put it 1/2 between run and full choke. There is no detent, but it works to start and it cranks right up with the mid position. first oil change after 1 hour was pretty shiny. following oil change after a couple more hours was much better.
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Reviewed in the United States on January 20, 2023 by Hayley Wood
Style: 4000 Watts + Dual Fuel + Lightweight + R...
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.
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Reviewed in the United States on June 15, 2024 by Layne