POWER. PRECISION. PERFORMANCE.
MIDWEST DIESEL & AUTOMOTIVE
AMERICA’S PREMIER DIESEL EXPERTS
At Midwest Diesel & Automotive, we don’t just fix trucks — we elevate performance. Our ASE-Certified technicians specialize in PowerStroke, Cummins, and Duramax engines, delivering unmatched craftsmanship for truck owners and fleets across Hammond, Wisconsin and beyond.
Trusted nationwide for reliability and innovation — our team blends modern technology with small-town values. Whether it’s diagnostics, fabrication, or performance upgrades, we set the national standard for diesel excellence.
SCHEDULE SERVICE TODAYAbout us
Your Trusted Partner for Superior Diesel Solutions!
Welcome to Midwest Diesel & Automotive, your premier destination for diesel repair in Hammond WI, where passion, precision, and integrity converge to deliver unparalleled automotive solutions. As a family-owned and veteran-operated diesel and Auto repair shop Hammond WI established in 2021, we take pride in our commitment to excellence. Our skilled diesel mechanic Hammond WI team specializes in Ford PowerStroke and light-duty Cummins diesels, bringing a wealth of expertise to every project and ensuring your vehicle receives top-notch care, from routine maintenance to complex truck repair Hammond WI services.
What sets our diesel repair Hammond WI operation apart is our dedication to honesty and fairness. At Midwest Diesel & Automotive, transparent communication is paramount, fostering lasting relationships with our valued customers throughout the Hammond, WI area and surrounding St. Croix County communities. Beyond our diesel specialization, we offer comprehensive auto service Hammond WI solutions including fabrication/welding and custom wiring, plus fleet service Hammond WI for businesses requiring reliable commercial truck repair Hammond WI.
Whether you’re a diesel enthusiast or seeking dependable automotive care, Midwest Diesel & Automotive is your trusted partner for diesel repair in Hammond WI. Thank you for considering us – where quality craftsmanship meets unwavering customer satisfaction in the heart of Wisconsin’s diesel service community.
Vehicles
Get More Mileage Out of Your Diesel
From routine oil changes and brake services to more complex engine repairs, we are equipped to handle it all. We use only high-quality parts and equipment to ensure your vehicle performs at its best. Our team is experienced in working with all light-duty diesel makes and models.
Lighting the Way with the Scientists of Lighting: Now Carrying Baja Designs
At Midwest Diesel & Auto, we believe that high-performance builds demand high-performance visibility. That’s why we are proud to announce that we are now an authorized dealer for Baja Designs—the premier name in off-road auxiliary lighting.
Whether you are pushing your PowerStroke to the limit on the trail or need reliable visibility for your Cummins workhorse during late-night hauls, Baja Designs offers the durability and precision you need. Known as “The Scientists of Lighting,” their systems are race-proven in the harshest terrains on earth.
Why Upgrade to Baja Designs?
5000K Daylight Natural Color: Reduces driver fatigue and increases terrain recognition, unlike the harsh blue hue of standard LEDs.
uService® Technology: Replaceable lenses and optics mean if you damage a light, you fix it right here—no need to send it back.
Built for Your Build: From vehicle-specific kits for Ford Super Duty and RAM trucks to universal light bars, we have the perfect fit for your rig.
Stop by our Hammond, WI shop to see how we can brighten your drive with the best lighting on the market.
Services
Service & Repair for your diesel needs
JASPER Engines & Transmissions
Jasper® Engines Installer
As a JASPER® Installer, Midwest Diesel and Auto located in Hammond, WI. harnesses the vast array of resources provided by JASPER® to help you make well-informed decisions regarding replacing your vehicle’s engine, transmission, differential, or fuel system.
JASPER® Engines extends a remarkable 3-year, 100,000-mile nationwide transferable warranty on all their products. With a specialization in remanufacturing engines, transmissions, diesel, differentials, and fuel systems, JASPER® has maintained its presence in the United States since 1942. When you choose JASPER®, you’re choosing confidence.
The Nation's Leading Supplier of Car & Truck Engines
COMMON DIESEL ISSUES
WE FIX
PowerStroke • Cummins • Duramax — our experienced techs diagnose and repair these problems fast so you get back on the road.
Loss of Power / Limp Mode
Sluggish acceleration, poor towing, or sudden power drop — often caused by turbo, EGR, or fuel delivery issues.
Advanced diagnostics, turbo repair, EGR service & fuel system overhaul
Excessive Smoke
Black, white, or blue smoke on startup or under load — typically injectors, turbo, or DPF related.
Injector service, turbo rebuilds, DPF cleaning & regeneration
Hard Starting / No Start
Glow plugs, high-pressure fuel pump, battery, or air intake problems making your diesel crank too long.
Glow plug replacement, fuel system flush & complete diagnostics
Turbocharger Failure
Whining noises, loss of boost, or oil in the intake — very common in heavy-duty PowerStroke and Cummins trucks.
Turbo inspection, rebuilds, replacements & full boost testing
Fuel System Problems
Clogged injectors, failing high-pressure pump, contaminated fuel, or worn filters.
Injector cleaning/replacement, pump repair & full fuel system service
DPF / EGR / Emissions Issues
Frequent regens, check engine light, reduced power from clogged DPF or faulty EGR valve.
DPF cleaning & delete options (where legal), EGR repair & emissions service
Charging & Electrical Problems
Dead batteries, failing alternator, or complex wiring issues common in modern diesels.
Battery & alternator testing, replacement & custom diesel wiring
Air Intake & Glow Plug Failure
Restricted airflow or faulty glow plugs causing rough idle and difficult cold starts.
Intake system cleaning, glow plug replacement & sensor calibration
📍 Serving Hammond, WI and surrounding areas • Same-day service available on most diagnostics
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What our customers are saying
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The One-Stop Shop for All Your Diesel Needs
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