Schröder Backpack Leaf Blower - Backpack Blower - Gas Leaf Blower - SR-6400L - 3.7 HP Engine
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Availability:
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Arrives
Saturday, Oct 10
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Features
- Powerful Performance: Featuring a 63.3 cc, 2-stroke 3.7 HP engine, the Schroder SR-6400L delivers up to 230 MPH airspeed and 920 CFM air volume, making it ideal for tackling wet and dry debris effortlessly.
- Lightweight and Comfortable: At only 19.5 pounds, this ultra-light backpack blower is designed for extended use with ergonomic padded shoulder straps and back support to minimize fatigue and strain.
- Commercial-Grade Durability: Engineered for professional use, this gas-powered backpack leaf blower combines robust construction with high output for demanding tasks in any environment.
- Large Fuel Capacity: Equipped with a 65 oz (1.9L) fuel tank, you can work longer without frequent refueling, perfect for large-scale cleaning jobs.
- Superior Control and Stability: The backpack design offers better balance and reduced strain compared to handheld models, ensuring ease of use and improved maneuverability during extended tasks.
Description
The Schröder SR-6400L gas leaf blower backpack is a best-selling backpack leaf blower that offers unmatched power and comfort for both residential and commercial outdoor cleanup. This top-rated gas-powered leaf blower features a robust 63.3cc 2-stroke engine delivering a high airspeed of 230 MPH, 42 Newtons of blowing force, and an impressive 920 CFM air volume, making it one of the best leaf blowers in the USA for efficiently removing leaves, grass clippings, sand, gravel, and stubborn debris from large yards, gardens, and job sites. Designed with the user in mind, this gas blower boasts an ergonomic, padded harness and a lightweight 19.5-pound frame to reduce operator fatigue and ensure extended use without discomfort. The generous 65 oz (1.9L) fuel tank enables longer runtime, reducing interruptions and increasing productivity. Whether you are a professional landscaper or a homeowner seeking the ultimate gas leaf blower, the Schröder SR-6400L combines durability, power, and ease of use in a reliable package. Its superior blowing force and air volume make it ideal for tackling both light and heavy-duty yard maintenance tasks. This solidifies its place as a standout choice in the competitive gas blower market. Experience top performance and comfort with the Schröder SR-6400L, truly among the best-selling backpack leaf blowers available today. The Schröder SR-6400L gas backpack leaf blower delivers professional-grade power with its 63.3cc 2-stroke engine, producing up to 230 MPH airspeed and 920 CFM. Designed for landscapers and homeowners, it offers ergonomic comfort with a padded harness and lightweight frame to reduce fatigue during extended use. The large 65 oz fuel tank ensures long runtime for efficient yard cleanup. Ideal for blowing leaves, grass clippings, gravel, and debris in large yards and job sites, this durable gas-powered blower combines reliability and high performance for all your outdoor maintenance needs. Perfect for those seeking a powerful and easy-to-use backpack blower with commercial capabilities.
Brand: Schröder
Color: Gray - Orange
Power Source: Gas Powered
Form Factor: Backpack
Special Feature: Portable
Air Flow Capacity: 920 cfm
Noise Level: 65 db
Item Weight: 19.5 pounds
Recommended Uses For Product: Commercial
Model Name: SR-6400L
Power Source: Gas Powered
Form Factor: Backpack
Additional Features: Portable
Air Flow Capacity: 920 cfm
Noise Level: 65 db
Speed: 230 miles_per_hour
Color: Gray - Orange
Style Name: Backpack Leaf Blower
Item Weight: 19.5 pounds
Item Dimensions L x W x H: 22"L x 18"W x 18"H
Brand Name: Schröder
Model Name: SR-6400L
Model Number: DK-YFM0-EY94
Number of Items: 1
UPC: 784972380031
Manufacturer Part Number: DK-YFM0-EY94
Recommended Uses For Product: Commercial
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Oct 10
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
We needed a second blower and having had excellent service out of our first SR6400L we bought another. Incredible power and though a little heavy, they are very good at their job. We have a couple of acres, all of it wooded. We blow the sides of the home and the front. More leaves than you can imagine. Yet yesterday, the DW and I got the job done in about 3 hours. Amazing. I only have one small suggestion for Schroder.... The thumb screws that hold the top of the air cleaner on are the weak point. They work loose, and if you tighten them up snuggly, you end up stripping the threads. I finally found a long machine screw with a rubber spacer and a nut, and fixed the older machine, but already the two thumb screws on the new one are coming loose. Don't let such a minor item dim the shine on a terrific piece of engineering that this model SR-6400L is. Put out a fix for this. ;-) We love these blowers, and the new one is two pounds lighter, meaning the wife uses it without a single complaint. Very nice piece of equipment........fix the thumb screws.
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Reviewed in the United States on November 7, 2025 by Roll
This thing is a beast! Shipping was fast and the packaging was triple layered to protect it during transit. Putting it together is a breeze, and instructions are easy to follow. I was surprised that it came with an extra throttle and mixing bottle for the oil and gas. First use a couple of hours ago and WOW. It will move leaves with a hurricane force wind. It is big but the shoulder and waist harness make it sit comfortably on the back while in use. Is it loud? You better believe it. With an engine that strong it kicks out some noise so wear ear protection. The fuel consumption is good and it looks like a tank of fuel will last a long time. The throttle handle did break, and I contacted customer service about the issue. They are super nice and before I got off the phone with them a label was already being printed out to send me a replacement and will be here in two days. That is what I call great customer service. The throttle is easy to replace, just mounting screws and it's back in business. Would I recommend this product? You bet your britches I would.
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Reviewed in the United States on November 13, 2025 by Amazon Customer
Mine was placed into service 11/12/2025. I’ve used it several times making huge piles of leaves so that I can use my mulcher to shred them for compost. This blower has plenty of power. I've had no problem starting it. The only assembly is with the tube, it took me about 15 minutes and then I was up and running. This machine is advertised as light weight but I would say that depends on the user. For me it feels heavy but manageable. I doubt if my petite wife could use it. Too heavy for her. I do concur with other reviews that it would be nice to have a place where you could anchor your foot while starting. I can get a toe on the frame and then lightly place my other hand on the air filter while pull-starting. A tank of gas will last about an hour of non-stop use which I’m ready to take a break then anyway. Overall, I like it and I’m glad I have it.
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Reviewed in the United States on November 30, 2025 by James Pinneo
I own several blowers -- a Toro and Worx electric and an Echo gas. Each of them left me looking for something better. My neighbor owns a 560-series Husqvarna that I've borrowed a couple of times and found it to be exceptional so I started looking into getting a 570-series (around $500). I then tripped over this entry on Amazon and the first thing that JUMPED out at me (at the time of my purchase at least) was the stellar reviews including something I hadn't ever seen before -- ZERO 1-star reviews (not easy to do ever, but harder with 106 reviews). I also was caught off-guard by the $299 price tag. I assumed this had to be some sort of joke, but just in case I decided to give it a shot. The blower isn't included in Prime so I waited a few days for it to arrive from Vancouver. It showed up early this morning. I opened the box and the first thing I see is a pile of papers. On top is a warning that is part of the reason I didn't give this 5-stars: It's a note informing you that you cannot return this unit to Amazon if you have any problems with it. That was a huge red flag for me. It's what I often see in garbage products and should be clearly noted in the description on its page on Amazon. I then started to look over assembly and immediately realized this is a bit more involved that your typical more mainstream units. It comes with a carburetor tool to make carburetor adjustments it in case you're not getting enough power. Another minor red flag. You at least get a tool, but I'm no engine expert, so I wouldn't know for sure if it's tuned properly or not, and I'd much prefer something other than needing to keep a tool around. I then got the unit assembled and noted a few pieces that felt more basic in nature. There's a standard wing nut on the throttle assembly (instead of a more substantial knob perhaps). The throttle (a trigger) also has a lock mechanism to keep it at full power, but anything below full power requires you to hold the trigger at that level. My Echo has a lever that can be set at any level of power. However, 99% of the time you run a blower at full power, so this is another minor point. The strap is also a bit interesting to figure out at first mainly due to very dark color laser-printed instructions on how to attach it. The page is so dark that I could barely make out what they were trying to show. However, a few moments of looking it all over filled in the gaps. One thing the straps could use is another higher-up chest strap. In later use I found the right strap kept creeping down my right arm. I then went out and filled the fuel tank (50-to-1 mix which is pointed out in an addendum to the instructions which call for 30-to-1). They also include a plastic fuel measuring container but with no directions on how to use it. Thankfully I already had a 50-to-1 mix in my garage ready to go. Start up is SLIGHTLY more involved than my Echo. You have to set the choke for Cold (push it up). There's no clear indicators to really help you with this other than a strange set of icons that don't make much sense. The Warm icon looks like this: III. The Cold icon looks like I\I. Your guess is as good as mine. You also need to set the throttle to be locked on which means pushing a safety trigger that normally sits under your right palm, squeeze the main trigger, push a lock button, release the trigger and then set a Start/Stop switch to Start. THEN you prime the carburetor by pumping the bulb 10 times to get fuel into the system. Finally, you pull the starter cord. The first time I pulled I thought I was going to rip the until off the stair I had it on. The motor BARELY turned which put a lot of strain on my pulling arm as the pull slammed to an abrupt stop. The second and third pull were nearly equally rough. The next pull the blower roared into life and I could almost immediately turn the choke to the Warm position. I put the unit on my back, kicked down the full throttle speed, adjusted the placement of the throttle assembly (simple to do) and then noticed something a bit different. At idle the unit was still blowing leaves around. On my Echo the idle is so low that almost nothing comes out of the hose. It's a slight issue, but one worth noting. Then the magic started. I squeezed the trigger to give it full throttle and immediately realized this thing was stronger than my neighbors 560-series. It was blowing leaves half-way up my long driveway. I'd estimate that this unit is pumping roughly 800cfm out at the nozzle. Quite a feat. It is a bit louder than his unit so I highly recommend ear protection (which is normal for all gas blowers). The unit felt about the same weight as my Echo and my neighbor's 560-series. A quick check showed it's actually slightly lighter. It finished the job in no time for a nice quick "spring" cleanup of my front yard. Next up will be the bigger job of cleaning up the back yard. The company also ships this unit with two end nozzles: a "G" which is a standard round-end nozzle and an "H" which ends with a downward-angled rectangular end. It also came with something I didn't expect -- a replacement pull cord assembly. I'm not sure what to make of that. Is this because they expect the existing one to fail quickly? I don't know. It just struck me as odd, but also nice to have. So far, after a single use I can't be much happier. For the price paid I'm doubly impressed. As long as you don't mind a couple MINOR trade-offs, this unit seems really hard to beat. Here's hoping it lasts a few seasons or more.
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Reviewed in the United States on March 11, 2020 by Rich Heimlich
Iv have had it for 3 or 4 years now and I can’t complain it’s been vary reliable for me and might buy a second one in the near future
Reviewed in the United States on September 16, 2026 by Daisy
We have a one acre property that is pretty heavily wooded... I normally blow the leaves into the back woods during late November... I was preparing my Ryobi blower for this year when once again, I could not get it to turn-over... I've had the blower for a few years... Have always used ethanol treatment in the gasoline... I've replaced the carburetor once, and the pull start assembly twice... The engine has always been hard to start, and typically would start to bog down after a short period of operating... This year I was faced with another carburetor replacement and pull start assembly... I had enough... I went on line and decided to purchase the Schroder SR-6400L, based on the reviews... About the same price point as the Ryobi... The blower arrived a day early... It was easy to assemble... It started on the second pull out of the box, and subsequently on the first pull thereafter... The trigger pressure was easy... The pull start a little stiff, but okay once you knew what to expect... The blower runs great, and the blowing capacity makes quick work of getting the leaves where you want them... The gas tank is pretty substantial, but fuel consumption is consistent with the work that this unit delivers... This is a well engineered unit... I wish that I had purchased this blower a long time ago...
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Reviewed in the United States on November 25, 2025 by Amazon Customer
**Review Update** Been over a year now. Blower has bwen a real work horse. Love everything about it. Especially the well padded harness. A couple of improvements would be appreciated. 1.. mold into the frame a foot brace to make starting easier. 2.. add a cruise control to the blower speed control. Basically be able to loc the blower at a preset speed.. would help with trigger fatigue. ** Blower arrived the other day. Well packed and additional protective cardboard lining. Very easy to assemble. Only took a few minutes and a philly's screwdriver. FIRST IMPRESSIONS: Unit is well made and well designed. One thing I did not see in any of the reviews was that the unit comes with 2 blower tips. A faired tip and a round tip. Wondered, because I saw both pictured but not described. The next thing I noticed was unlike other backpack blowers I have had, this one had threaded screws that hold the sections from coming loose. They still use the twist lock sections but with a screw, not into plastic but metal on metal. The unit is powerful. Much more powerful than my old backpack blower or my hand-held blower. With the flared tip, it can move a lots of dry leafs, wet leafs, leaf mold, gravel, blows small sticks and dead wood easily and clears a wide path. For the money it's a great blower and a good value. Be aware that these ship from BC Canada and had to go through customs which added a day or two. Now for the things you should also know. I assume this motor does not have compression release. Takes some strength and a good stable area to start. I hold the backpack at the top and brace my boot on the lower frame. Takes a couple of pulls normally. Not nearly as easy as other 2 strokes I have had. My 2 cycle snowblower took less effort. Vibration: Evidently this blower also has no Vibration dampening. Not too bad and you sort of get used to it after a while. NO cruise control. Now this may seem like no big deal BUT… Engine speed is controlled by the trigger on the hand grip. No way to keep the motor at full throttle without a finger on the trigger. When you spend hours blowing leafs it's nice to vary hand positions. Trust me, you will be looking for a rubber band or two if you have a large area to clear. I would say, a tank full of mixed gas will get you about 2 hours of run time.. not bad for the power this generates. Overall, I am very impressed with the quality and utility of the blower. Hope the manufacturer reads this post. With a few low cost modifications this unit could be world class. Maybe that's what you get with their $700+ model.. don't know. Reading the description the models sounded basically the same.
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Reviewed in the United States on December 2, 2021 by dc-in-md
I purchased this blower for handling my fall leaves as I have several large trees, and needed more power than my Stihl hand held. First few uses were decent, good power, easy to start. Before I had finished running the third tank of gas, the blower started to bog down after it had ran for 15 minutes. I contacted customer service and after a few times of speaking to them, they claimed it needed to have the mixture screw adjusted . They sent the special screw driver, and I followed the instructions in the video link. This had no effect on the issue, and I reported this back to Cs. I felt with the heating up, and loss of power, it could be the magneto. They agreed to send a new one, which I received, and installed. The blower started right up, but started to bog down as before, this time within 15 seconds. I attempted to restart, and the engine seized. I reached out to Cs again, and was told I must of run the blower without oil mix. I own 13, 2 stroke engines of various size and type, from chain saws to outboards etc. I mix all my gas in 5 gallon jugs, and add a little extra to achieve a 45-1 ratio. They are refusing to honor the warranty. I suggest staying away from this product and company. They don't honor their warranty, they can always just claim no oil in the gas, and you are out of luck. I trusted that with a 5 year warranty, I would be protected. I was not, and you won't be either.
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Reviewed in the United States on November 24, 2024 by Sarah.xoxox