(470) 850-5121

Alpharetta, GA · Fair Prices · Same-Day Service

HEAVY
TRUCK
REPAIR.
DONE RIGHT.

From oil changes to engine rebuilds — we handle it all. Honest pricing, no surprises. Call us, get your quote, and we get to work.

Call Now — (470) 850-5121 Schedule Service →
💰 Fair, upfront pricing · 🔧 Any job, any size · 📞 Quote in minutes
ASE Certified Mobil Delvac DOT Compliant Easy Truck Access
(470) 850-5121
📍 Address
865 McFarland Pkwy
Alpharetta, GA 30004
🕐 Hours
Mon–Fri 9AM–6PM
Sat by appt
Freightliner truck being serviced at Garant Express shop in Alpharetta, GA
📍 Location 865 McFarland Pkwy Alpharetta, GA 30004 · Easy truck access ● Open Now
15+
Years Experience
Alexander & Eric, ASE certified
<1H
Callback Guarantee
During business hours
4
Brands Specialized
Deep expertise, not general
Same Day
Diagnostics
Bring it in, we assess it today

What We Fix

FULL SERVICE MENU

From engine rebuilds to oil changes — all work done in-house, fair pricing, documented in Fullbay.

01

ENGINE OVERHAUL

Full teardown, inspection, and rebuild. Pistons, rings, bearings, head gaskets — pressure tested before reassembly. D13, ISX, X15 and more.

Volvo D13Cummins ISXDetroit DD15
→
02

TRANSMISSION REBUILD

Manual, automatic, and AMT repair. Clutch packs, torque converters, shift forks — diagnosed and rebuilt in-house.

Eaton FullerAllisonVolvo I-Shift
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03

ECM DIAGNOSTICS

Full ECM programming and diagnostics using Infomax and brand-specific software. Fault codes, DPF/EGR resets, sensor calibration.

InfomaxDPF/EGR ResetCAN-BUSOBD
→
04

BRAKE SYSTEM

Air brake inspection, S-cam, slack adjusters, drums, shoes, and ABS system service. Full DOT compliant documentation.

Air BrakesABSDOT CompliantAll Axles
→
05

AC SYSTEM SERVICE

Full AC diagnosis, recharge, compressor replacement using Robinair equipment. Cab & sleeper. Keep your driver comfortable year-round.

R-134AR-1234YFRobinair
→
06

PREVENTIVE MAINTENANCE

Oil & filter, brake adjustments, valve lash, coolant flush, belt inspection. Full Fullbay documentation — keep your DOT records clean.

All BrandsMobil DelvacFullbay Docs
→
+

ROUTINE REPAIRS & GENERAL SERVICE

Don't need a full overhaul? We handle everyday truck work too — tire swaps, light replacements, battery service, belts & hoses, fluid top-ups, minor electrical. Fair pricing, no upsells. If your truck needs it, we do it.

Tire ServiceOil ChangeBelts & HosesLights & ElectricalBatteryAll Brands
→

Specialized In

4 BRANDS.
DEEP EXPERTISE.

We don't work on everything. We go deep on the four platforms that run America's flatbed and long-haul freight.

VOLVO
D11D12D13D16
FREIGHTLINER
DD13DD15DD16
KENWORTH
ISXX12X15
PETERBILT
MX-11MX-13

Customer Reviews

WHAT DRIVERS SAY

Real feedback from carriers and owner-operators who've trusted us with their trucks.

"Brought in my Volvo with a D13 knocking. They diagnosed it same day, gave me a straight quote, and had it back in three days. No upsells, no run-around. Will come back."

DK
Dmytro K.
Owner-operator · Alpharetta, GA
Verified Customer

"Our Freightliner had a DPF issue three other shops couldn't fix. Garant ran full Infomax diagnostics, reset the system — been clean for 40k miles since. Solid team."

MR
Mike R.
Fleet manager · Atlanta, GA
Verified Customer

"Quick callback, fair pricing, good diagnostics. Using them for preventive maintenance on three Kenworths now. Location is easy — big rig access, no issues getting in."

SL
Sergiy L.
Carrier · Marietta, GA
Verified Customer
G 4.9 · Google Reviews View us on Google Maps →
⚡ Emergency Response TRUCK DOWN RIGHT NOW?

Call directly — we pick up immediately and dispatch within the hour.

(470) 850-5121
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Get In Touch

SCHEDULE YOUR TRUCK TODAY

Fill the form and we'll call you back within 1 hour. Or call directly — we pick up.

📞
Phone
(470) 850-5121
Tap to call · We respond within 1 hour
📍
Address
865 McFarland Pkwy
Alpharetta, GA 30004
Easy truck & trailer access · Ample space
🕐
Hours
Mon–Fri: 9:00 AM – 6:00 PM
Sat by appointment · Sun closed
✉️

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