Smoke, stalling, knocking, or power loss all point to one thing: your engine’s in trouble. Heavy-duty engine repair, rebuild, overhaul, and conversion address damage at every level to restore power and long-term performance. Book your service now!
Diesel Engine Repair in Mount Horeb, WI
Whether your engine needs a quick fix or a full transformation, we’ve got you covered. We handle everything from basic repairs to full engine rebuilds, major component overhauls, and complete engine conversions for updated performance and reliability.
At River Valley Diesel Services & Construction, we diagnose and repair all major diesel engine problems for commercial trucks, semis, and heavy-duty work vehicles. Whatever is powering your rig, we've got the solution for you.
Here’s what we can repair or replace:
- Complete engine diagnostics and troubleshooting
- Truck engine overhaul and top-end rebuilds
- Cylinder head gasket replacement
- Crankshaft, camshaft, and valve repair
- Turbohargers, injectors, and sensors
- Oil and cooling system repairs
- Engine conversions and truck engine rebuild services
If your engine is worn out, underpowered, or damaged beyond minor fixes, we’ll help you decide whether a rebuild, full overhaul, or a performance-focused conversion is the best long-term move for your truck and business.
Experience the River Valley Difference!
Service Multiple Trucks at Once: We handle up to six trucks at the same time, getting your rig in and out faster than single-bay shops.
Customer Service Focus: You’ll always get a clear explanation of what’s wrong, how we’ll fix it, and why it matters without the runaround.
Transparent Pricing: Expect accurate, upfront quotes with no hidden costs, needless upsells, or vague labor fees. You’ll know what to expect from start to finish.
Easily Accessible: Located off I-94 and I-151 in Mount Horeb, WI, our shop is easy to reach whether you’re local or passing through.
FAQs
How can I get heavy-duty engine repair?
Just call 608-574-5785 to book your heavy-duty engine repair. We’ll assess your engine, explain the best solution, and restore your truck’s power with precision and speed. Whether it's a rebuild, repair, conversion, or overhaul, whatever you need, we've got you covered.
How do I know if my truck engine needs to be overhauled?
Signs your heavy-duty diesel truck engine needs an overhaul include excessive oil consumption, loss of power, hard starts, blue or black exhaust smoke, and knocking noises. Frequent breakdowns or low compression readings also indicate internal wear requiring a complete engine inspection.
What areas do you serve for heavy-duty engine repair?
We are based at 3200 Hwy 78, Mount Horeb, WI, near I-94 and I-151.
As well as Mount Horeb, WI, we also proudly service the following areas: Madison, WI; Janesville, WI; Wisconsin Dells, WI; Beaver Dam, WI; Fitchburg, WI; Middleton, WI; Sun Prairie, WI; Verona, WI; Stoughton, WI; Baraboo, WI; Portage, WI; Lake Delton, WI; Reedsburg, WI; Dodgeville, WI; Monroe, WI; Columbus, WI; Fort Atkinson, WI; Waunakee, WI; and Evansville, WI.
What does a full engine rebuild include?
A full engine rebuild for heavy-duty diesel vehicles includes disassembling the engine and cleaning components, machining or replacing the block, crankshaft, pistons, bearings, gaskets, and seals. Cylinder heads are inspected and reconditioned. The goal is to restore the engine to like-new performance and reliability.
Contact Us About Semi Truck DPF Filter Cleaning in Mount Horeb, WI Now: Call 608-574-5785!
If you're dealing with soot buildup, regen issues, or a stuck EGR valve, call 608-574-5785 to schedule your semi-truck DPF filter cleaning or full emissions repair. Get it fixed fast—before it becomes a roadside problem.
What They're Saying About Us
See why our customers consider River Valley Diesel Services & Construction their go-to repair shop in Mount Horeb, WI and the surrounding areas!
I was in a jam and they came out and got me fixed up quick I would definitely recommend them if you’re in a jam
Contact Us
Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch, we're open Monday through Friday from 7:00am to 5:00pm.