Trempealeau's Diesel Specialists

Your rig stays on the road. We make sure of it.

From routine maintenance to complex engine overhauls, Ridgetop Diesel Service keeps heavy-duty trucks and equipment running at peak performance across Western Wisconsin.

20+
Years Experience
100%
Commitment
All
Makes & Models
Heavy-duty diesel truck on Wisconsin highway

Professional diesel diagnostics & repair

Diesel engine bay close-up
Mechanic working on diesel engine
Open Today
Mon–Fri, 7:30 AM – 5:00 PM

Comprehensive diesel
repair & maintenance

Every job gets the same attention to detail — whether it's a quick oil change or a full turbo rebuild. Your truck deserves nothing less.

Engine Diagnostics

Advanced diagnostic equipment to pinpoint issues fast — from check-engine lights to complex electrical faults. We read the data so you don't have to guess.

Preventive Maintenance

Scheduled oil changes, filter replacements, and inspections that catch small problems before they strand you on the highway. Stay ahead of the curve.

Brake & Suspension

Complete brake service, air brake systems, and suspension repairs for Class 4–8 vehicles. Your safety isn't negotiable, and neither are we.

Transmission Service

Automatic and manual transmission repairs, fluid changes, and rebuilds. We handle everything from minor tune-ups to complete powertrain replacements.

Turbo & Exhaust Systems

Turbocharger repair and replacement, DPF services, and complete exhaust system work. Get your power back and stay compliant with emissions standards.

Emergency Roadside

Broken down on Route 35 or somewhere further out? We provide emergency diesel roadside assistance to get you back on the road as fast as possible.

Ridgetop Diesel Service workshop interior
Close-up of diesel engine maintenance
Heavy equipment diesel service

Built on hard work,
kept running by expertise

Ridgetop Diesel Service has been serving Trempealeau and the surrounding region for over two decades. We're not a franchise or a chain — we're your neighbors, and your truck's reliability is our reputation.

All Makes & Models

Cummins, Detroit Diesel, Caterpillar, International, Freightliner, and more — we've seen it and fixed it.

Minimal Downtime, Maximum Output

We know every hour off the road costs money. We work fast without cutting corners.

Locally Owned, Locally Trusted

Based right here in Trempealeau. We show up for our community because this is our home too.

The difference is in the details

We don't just fix trucks. We build lasting relationships with every driver and fleet owner who pulls into our shop.

01

Expert Technicians

Our team brings decades of combined diesel experience. Certified, trained, and always up to date on the latest technology.

02

Transparent Pricing

No surprises on your bill. We explain the problem, the solution, and the cost before we touch a single bolt.

03

Quality Parts

We use OEM and high-quality aftermarket parts because we stand behind every repair we make — for the long haul.

04

Convenient Location

Right off State Road 35 in Trempealeau. Easy access for local routes and through traffic heading through Western Wisconsin.

Your diesel deserves a shop that treats it right.

Whether it's a scheduled service or an unexpected breakdown, Ridgetop Diesel Service is ready when you need us. Call today or stop by the shop.

Let's get your rig back on the road

Have a question, need a quote, or ready to schedule service? Reach out however works best for you — we respond quickly.

Address

N12561 State Road 35
Trempealeau, WI 54661-8232

Business Hours

Mon – Fri: 7:30 AM – 5:00 PM
Sat – Sun: Closed

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Located in the heart of Trempealeau

We're conveniently situated on State Road 35, easily accessible from major routes through Western Wisconsin. Free parking available on-site.

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