MON–FRI 7AM–5PM · SAT 7AM–2PM·4.9★ 360+ GOOGLE REVIEWS·3 MIN OFF I-94 · RIGHT BY US-41 (SKOKIE HWY)·MOBILE ROADSIDE SERVICE AVAILABLE·
Diesel mechanic repairing a semi truck at RT Group in Zion, IL

Freightliner, Volvo, Kenworth & Peterbilt Repair Near You

Independent heavy-duty truck repair in Zion, IL · 3 minutes off I-94

RT Group repairs Freightliner, Volvo, Kenworth, Peterbilt, International and Mack trucks at 700 Trumpet Pk Dr, Zion, IL — about 3 minutes off I-94. We are an independent shop, not a dealer. Call (224) 588-3442 for a diagnosis and quote.
Call (224) 588-3442 Get Directions Mon–Fri 7am–5pm · Sat 7am–2pm · Sun closed
Makes We Repair

Heavy-Duty Truck Repair by Make

Freightliner Truck Repair

Cascadia, M2 and other Freightliner trucks: diagnostics, engine, after-treatment, electrical, suspension and brakes.

Volvo Truck Repair

VNL and VNR series: diagnostics, engine, after-treatment, electrical, suspension and brakes.

Kenworth Truck Repair

T680, W900 and other Kenworth models: diagnostics, engine, after-treatment, electrical, suspension and brakes.

Peterbilt Truck Repair

579, 389 and other Peterbilt models: diagnostics, engine, after-treatment, electrical, suspension and brakes.

International Truck Repair

LT, RH and other International trucks: diagnostics, engine, after-treatment, electrical, suspension and brakes.

Mack Truck Repair

Anthem, Pinnacle and Granite: diagnostics, engine, after-treatment, electrical, suspension and brakes.

One Shop for Mixed Fleets

Most fleets run more than one make. Instead of sending each truck to a different dealer, bring them to one independent shop near I-94. Our diesel mechanics diagnose before we quote, so you know the actual cause and the price before work starts.

What We Repair on Every Make

  • Diesel engine repair and computer diagnostics
  • After-treatment systems (DPF, SCR, EGR)
  • Electrical and wiring harness repair
  • Suspension and steering components
  • Air brake service and repair
  • PM service, oil changes and DOT inspections

See also: semi truck repair, engine repair & diagnostics, fleet service.

FAQ

Common Questions

Are you a Freightliner or Volvo dealer?
No. RT Group is an independent truck and trailer repair shop in Zion, IL. We are not affiliated with any truck manufacturer or dealer; we repair trucks from all of these makes.
Which engines do you work on?
Our diesel mechanics work on the major heavy-duty diesel engine platforms used in Class 6-8 trucks. Call (224) 588-3442 and tell us your engine model and the problem.
How far is your shop from I-94?
About 3 minutes. We are at 700 Trumpet Pk Dr, Zion, IL 60099, near Route 173 and right by US-41.

Ready When You Are

Call now to talk to a live person, or request a quote and we'll follow up fast.

Call Now: (224) 588-3442