S S Transmission
- Price
- Mechanical
- Truck
24 mechanics listed · 9 in Decatur · 7 open weekends · 18 rated 4.5+
Data verified October 16, 2026
Listed for drivers in and around Decatur, IL, these 24 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.

Of the 24 mechanics we list here, 9 are in Decatur itself and 15 come from towns including Lincoln (3, 30 mi), Clinton (2, 21 mi) and Macon (1, 10 mi). 23 of the mechanics on this page have a rating, from 4.0 to 5.0 across 900 reviews; 4 have 50 or more reviews and 18 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price" and "fair". 7 are open on Saturdays and 1 on Sundays. 2 list staff certifications (ASE) and 3 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 63 years. 1 offers emergency or roadside call-outs; 1 offers financing; 1 gives free estimates; 4 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 10 of the mechanics on this page; 9 publish a contact page; 6 list a public email and 1 takes bookings online. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
7 of the 24 shops on this page run a weekend shift. Weekend slots are how a lot of fleets get preventive maintenance done without losing a working day, so they book out early. Parts counters keep shorter hours, which is the usual reason a Saturday job waits until Monday.