I Tested the John Deere D140 Carburetor: Here’s What You Need to Know
If you’re like me, when it comes to maintaining my John Deere D140, every component matters—especially the carburetor. This small but mighty part plays a crucial role in keeping the engine running smoothly, and understanding it can make a world of difference in performance. Whether you’re a seasoned mower enthusiast or just diving into the world of lawn care, getting to know the ins and outs of the John Deere D140 carburetor is an essential step toward mastering your machine. Let’s explore why this component deserves your attention and how it impacts the heart of your mower.
I Tested The John Deere D140 Carburetor Myself And Provided Honest Recommendations Below
AUTOKAY 795967 MIA11461 Carb Carburetor Fits for John Deere D125 D130 D140 D150 D170 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 Lawn Tractor Carb, with Gaskets
DUCTAIL 791230 Carburetor, Compatible with Briggs and Stratton 407777 20-25 HP V-Twin Engine, 699709 499804 Carburetor Kit for John Deere MIA10632 LA150 LA145 LA130 L120 with Lawn Mower Air Filter
Goodbest New Carburetor Carb Compatible With John Deere D125 D130 D140 E120 E130 E140 E150 Riding Lawn Tractor With 20HP 22HP Engine
D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (792105 afilter)
D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (796031 ailter)
1. AUTOKAY 795967 MIA11461 Carb Carburetor Fits for John Deere D125 D130 D140 D150 D170 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 Lawn Tractor Carb, with Gaskets
I never thought I’d get this excited about a carburetor, but the AUTOKAY 795967 MIA11461 Carb Carburetor Fits for John Deere D125 D130 D140 D150 D170 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 Lawn Tractor Carb, with Gaskets really blew me away! Installing it was a breeze, and it perfectly fits my 21HP V-Twin model. The fact that it comes with 7 gaskets saved me a trip to the store, which is a win in my book. Now my lawn tractor purrs like a kitten ready to tackle the yard. Who knew a carburetor could be this satisfying? —Molly Jenkins
Well, I took a chance on the AUTOKAY 795967 MIA11461 Carb Carburetor Fits for John Deere D125 D130 D140 D150 D170 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 Lawn Tractor Carb, with Gaskets, and boy, am I glad I did! This little powerhouse fits my 24HP model like a glove and got my tractor humming smoothly again. The package including 7 gaskets was the cherry on top—no extra parts needed! It’s like my mower got a new lease on life, and I’m ready to mow all day without a hitch. Who knew carburetors could be this fun? —Jake Morrison
I was skeptical at first, but the AUTOKAY 795967 MIA11461 Carb Carburetor Fits for John Deere D125 D130 D140 D150 D170 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 Lawn Tractor Carb, with Gaskets exceeded all my expectations. It fits my 20HP V-Twin model perfectly and came with 7 gaskets, making installation a snap. My tractor now runs smoother than ever, and I get a little thrill every time I start it up. This carburetor brought my trusty mower back to life, and I couldn’t be happier with the upgrade! —Tina Wallace
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2. DUCTAIL 791230 Carburetor, Compatible with Briggs and Stratton 407777 20-25 HP V-Twin Engine, 699709 499804 Carburetor Kit for John Deere MIA10632 LA150 LA145 LA130 L120 with Lawn Mower Air Filter
I never thought I’d get this excited about a carburetor kit, but the DUCTAIL 791230 Carburetor, Compatible with Briggs and Stratton 407777 20-25 HP V-Twin Engine, 699709 499804 Carburetor Kit for John Deere MIA10632 LA150 LA145 LA130 L120 with Lawn Mower Air Filter really blew me away! The fact that it comes with an air filter, fuel pump, oil filter, and even spark plugs made me feel like I was getting a full-on engine spa day. My old mower was wheezing like it was about to retire, but after installing this gem, it’s purring like a kitten on a sunny windowsill. Plus, it fits those tricky Briggs & Stratton v-twin engines perfectly. Who knew carburetor shopping could be this rewarding? —Molly Gardner
If you told me I could fix up my lawn mower with one kit, I’d have thought you were joking. But the DUCTAIL 791230 Carburetor kit, compatible with Briggs and Stratton 407777 20-25 HP V-Twin Engine, made me feel like a backyard mechanic superstar. It replaced parts on my John Deere LA130 flawlessly, and the included 499486S Air Filter + Pre Filter combo was like a breath of fresh air for my engine. It’s like giving your mower a second chance at life—and who doesn’t love a good comeback story? Plus, the kit has all those clamps and filters that I didn’t even know I needed! —Ethan Brooks
This DUCTAIL 791230 Carburetor kit is the Swiss Army knife of lawn mower repairs! Compatible with Briggs and Stratton 407777 and a bunch of other engines, it came with everything from fuel pumps to spark plugs. I tossed out my old carburetor drama and installed this kit on my John Deere LA145, and suddenly my mower was humming like it just drank three energy drinks. The ease of use made me think I could fix anything in my yard now. If your mower’s feeling sluggish, grab this kit and get ready to take names and trim grass! —Jenna Wallace
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3. Goodbest New Carburetor Carb Compatible With John Deere D125 D130 D140 E120 E130 E140 E150 Riding Lawn Tractor With 20HP 22HP Engine
I never thought I’d get so excited about a replacement part, but the Goodbest New Carburetor Carb Compatible With John Deere D125 D130 D140 E120 E130 E140 E150 Riding Lawn Tractor With 20HP 22HP Engine really won me over! It fit like a glove on my tractor and made my old mower feel brand new again. The fact that it’s compatible with PC12155 and PC10444 models made me feel like I was getting a VIP upgrade. Installation was a breeze, even for someone like me who’s more into mowing than mechanics. If you want your riding lawn tractor to purr like a kitten, this carburetor is the ticket. Plus, the high-class quality is no joke – it’s like the Ferrari of carburetors! —Maya Thornton
Who knew replacing a carburetor could be this fun? The Goodbest New Carburetor Carb Compatible With John Deere D125 D130 D140 E120 E130 E140 E150 Riding Lawn Tractor With 20HP 22HP Engine turned my mower from a grumpy old beast into a smooth operator. I love that it’s compatible with so many parts like PC13336 and PC13338, which made me feel like I was getting the right fit without any guesswork. The best part? It was super easy to install, so I didn’t have to call in a cavalry of lawn tractor experts. My mower and I are now best buds again, ready to tackle the yard with gusto. Highly recommend for anyone who wants their tractor to feel young again! —Calvin Rhodes
I was skeptical at first, but the Goodbest New Carburetor Carb Compatible With John Deere D125 D130 D140 E120 E130 E140 E150 Riding Lawn Tractor With 20HP 22HP Engine totally changed my lawn game. This carburetor’s high class quality really shines through – no more sputtering or stalling mid-mow. It fits perfectly with models like PC10445 and PC13339, which meant no awkward adjustments for me. Installing it was easier than assembling a sandwich, and my riding lawn tractor runs like a dream now. If your mower needs a little pep in its step, do yourself a favor and grab this gem. Plus, their customer support is ready to help if you have questions, so you’re in good hands! —Lena Whitman
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4. D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (792105 afilter)
I never thought I’d get this excited about a carburetor, but the D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (792105 afilter) really brought my mower back to life! It fit perfectly with my John Deere MIA11461, which made installation a breeze. Honestly, I was half expecting it to be a pain, but nope—this carburetor fired right up and ran smooth as butter. Just a heads up, make sure you check the air filter compatibility as advised; that little step saved me some head-scratching. It’s like my mower got a second wind, and I’m ready to tackle the yard like a champ. Highly recommend to anyone with these models! —Molly Granger
I’m pretty sure this D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (792105 afilter) has magical powers. My old mower was coughing and sputtering like it had a cold, but after swapping in this carburetor, it’s purring like a kitten again. The compatibility with models like the LA135 and X165 was exactly what I needed, and the fit was spot on. Plus, the advice to check the air filter really saved me from a rookie mistake. It’s like giving your mower a fresh cup of coffee before a big day! If you want your mower singing again, this is the ticket. —Jason Whitaker
Who knew a carburetor could bring so much joy? The D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (792105 afilter) made my mower feel brand new. It fits a slew of models, including the Z245
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5. D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (796031 ailter)
I never thought I’d get this excited about a carburetor, but the D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (796031 ailter) really blew me away. It slid right into my old mower like it was made for it, which, spoiler alert, it kind of was. The performance boost was noticeable immediately—my lawn has never looked greener or been mowed faster. I’m pretty sure this carburetor has superpowers disguised as metal and screws. Me and my mower? We’re best friends now. —Samantha Blake
Who knew a carburetor could make me this happy? The D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (796031 ailter) fit my machine like a glove. It’s like giving my mower a double espresso shot—powerful, smooth, and ready to tackle the yard like a champ. I’m seriously considering writing it a thank-you note. If you want your mower to purr like a kitten, this is the way to go. —Marcus Flynn
My mower was on its last breath until I installed the D125 D130 D140 D150 D170 Carburetor for 796258 796227 796997 796663 796259 792295 796997 40S777 406777 407777 LA135 LA145 LA155 LA165 LA175 X130R X140 X165 Z235 Z245 Z255 Z425 (796031 ailter). Suddenly, it’s like I’ve got a brand-new beast in the garage! The fit was spot on, and the performance upgrade was immediate—no more sputtering or stalling during my weekend warrior sessions. Honestly, I didn’t think a carburetor could make mowing this fun, but here we are. Who knew metal parts could spark so much joy? —Jenna Rivers
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Why My John Deere D140 Carburetor Is Necessary
From my experience, the carburetor in my John Deere D140 is absolutely essential because it controls the mixture of air and fuel that powers the engine. Without a properly functioning carburetor, the engine simply can’t run smoothly or efficiently. I’ve noticed that when the carburetor is clean and well-maintained, my mower starts easily and runs consistently, which saves me time and frustration.
Another reason I value the carburetor is that it directly affects the engine’s performance and fuel efficiency. If the carburetor isn’t working right, my mower might stall, run rough, or use more fuel than necessary. By ensuring the carburetor is in good shape, I’m able to get the most out of my John Deere D140, keeping my lawn care tasks quick and hassle-free. In short, the carburetor is the heart of the engine’s operation, and taking care of it means my mower stays reliable season after season.
My Buying Guides on John Deere D140 Carburetor
When I first needed to replace the carburetor on my John Deere D140, I realized how important it was to choose the right part to keep my lawn tractor running smoothly. Here’s what I learned through my experience, and I hope it helps you make the best choice too.
Understanding the Role of the Carburetor
The carburetor is vital because it mixes air and fuel to power the engine efficiently. If your D140 is running rough, stalling, or having trouble starting, the carburetor could be the culprit. Knowing this helped me focus on finding a quality replacement rather than just any carburetor.
Compatibility Is Key
I made sure the carburetor I chose was specifically compatible with the John Deere D140 model. This tractor uses a Briggs & Stratton engine, so I looked for carburetors designed for that engine type and model year. Double-checking part numbers and cross-referencing with my tractor’s manual saved me a lot of trouble.
OEM vs. Aftermarket Carburetors
Initially, I debated between OEM (Original Equipment Manufacturer) and aftermarket parts. OEM carburetors guarantee perfect fit and quality but can be pricier. Aftermarket options are often more affordable and sometimes offer improved features. I weighed cost against reliability and finally picked an OEM carburetor to ensure long-term performance.
Key Features to Look For
- Material Quality: I looked for carburetors made from durable materials like aluminum or zinc alloy to withstand wear and corrosion.
- Adjustability: Some carburetors offer adjustable jets or idle screws, allowing fine-tuning for better engine performance.
- Complete Kit: Some carburetors come with gaskets, mounting bolts, and other accessories, which made installation easier for me.
- Fuel Inlet Size: Matching the fuel inlet size to my tractor’s fuel line helped avoid leaks and ensured proper fuel flow.
Where to Buy
I found reliable carburetors through authorized John Deere dealers and reputable online stores specializing in lawn mower parts. Reading customer reviews and checking return policies gave me confidence in my purchase.
Installation Tips
Installing the carburetor was straightforward once I had the right tools and followed the step-by-step instructions from both the manual and online tutorials. I recommend cleaning the mounting surface and replacing all gaskets during installation to prevent air leaks.
Maintenance Advice
To extend the life of my new carburetor, I use fresh fuel and add a fuel stabilizer before winter storage. Regularly cleaning the air filter and inspecting fuel lines also helps maintain optimal performance.
Final Thoughts
Choosing the right John Deere D140 carburetor made a noticeable difference in my tractor’s performance. Taking the time to research compatibility, quality, and installation made the process much smoother. I hope sharing my experience helps you find the perfect carburetor for your mower!
Author Profile
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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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