TRACTOAUTO LLC • WINDER, GEORGIA

Heavy-duty truck repair. Diagnosed right.

Advanced diagnostics, diesel repair, programming and electrical troubleshooting for modern commercial trucks across Winder and Northeast Georgia.

TRACTOAUTO LLC • WINDER, GEORGIA

750 Tucker Rd, Winder, GA 30680

Heavy-duty truck diagnostics & diesel repair • (470) 830-1170

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DIAGNOSTIC-FIRST
Test. Verify. Repair.
MULTI-BRAND
Heavy-duty platforms
WINDER, GA
750 Tucker Rd
Heavy-duty truck repair at TractoAuto LLC in Winder Georgia
HEAVY-DUTY
DIAGNOSTICS + REPAIR
Diesel engine diagnostics at TractoAuto LLC
ROOT CAUSE > PARTS SWAPPING
BUILT FOR LEADING HEAVY-DUTY PLATFORMS
PACCAR
CUMMINS
DETROIT
VOLVO
MACK
FREIGHTLINER
KENWORTH
PETERBILT
HEAVY-DUTY SHOP WORK

REAL TRUCKS. REAL WORK.

From vocational trucks to Class 8 tractors, TractoAuto diagnoses and repairs the equipment that keeps businesses moving.

HEAVY-DUTY SERVICEEngine repair • diagnostics • shop work
SHOP WORKCommercial-truck repair inside our Winder facility.
DIAGNOSTICSTesting first. Repair decisions second.
ENGINE REPAIR + OVERHAUL

HEAVY-DUTY ENGINE EXPERTISE

From diagnostics to complete engine overhauls, TractoAuto works on the engines that keep heavy-duty trucks moving.

01

MACK E7

Diagnostics, internal engine repair, cylinder-head service, turbo and fuel systems.

02

CATERPILLAR

Complete overhauls, internal inspection, cylinder-head and block work.

03

PACCAR

MX engine diagnostics, fuel pressure, turbo/air systems and mechanical repair.

04

CUMMINS

Engine diagnostics, fuel systems, top-end repair, in-frame work and overhaul.

COMPLETE OVERHAULSENGINE DIAGNOSTICSCYLINDER HEAD SERVICEINTERNAL ENGINE REPAIRTURBO & AIR SYSTEMSFUEL SYSTEMS
CAPABILITY

One shop. Deep capability.

Complex truck problems rarely fit into one category. Our workflow connects electronic data, electrical testing and mechanical inspection before repair decisions are made.

Advanced heavy-duty truck diagnostics at TractoAuto
01 / DIAGNOSTICS

Computer diagnostics & fault isolation

Live data, datalink, sensors, wiring and root-cause verification.

Heavy-duty diesel engine repair at TractoAuto
02 / ENGINE

Diesel engine repair

Performance, fuel, cooling, lubrication and major mechanical concerns.

Truck programming and diagnostic computers at TractoAuto
03 / ELECTRONICS

Programming & modules

Calibration support and electronic system service for modern trucks.

Volvo heavy-duty truck service at TractoAuto
04 / ELECTRICAL

Electrical diagnostics

Power, ground, harness, sensor and communication faults.

Heavy-duty aftertreatment and DEF system components
05 / EMISSIONS

Aftertreatment systems

Derates, emissions faults and system-level troubleshooting.

Heavy-duty dump truck preventive maintenance at TractoAuto
06 / UPTIME

Preventive maintenance

Commercial-truck maintenance focused on reliability and uptime.

Heavy-duty computer diagnostics and system testing at TractoAuto LLC
ADVANCED DIAGNOSTICS
LIVE DATA • DATALINK • ELECTRICAL
01 / ADVANCED DIAGNOSTICS

Computer diagnostics & system testing

Fault codes are only the starting point. We use live data, datalink checks, sensor validation and guided testing to isolate the actual failure before expensive parts are replaced.

LIVE DATA ANALYSIS
DATALINK VERIFICATION
SENSOR VALIDATION
ELECTRICAL TESTING
INSIDE TRACTOAUTO

The work behind the diagnosis.

Real trucks, real technicians and the shop environment behind every repair decision.

TRACTOAUTO LLC HEAVY-DUTY • WINDER, GA
Wendy Mendez at TractoAuto LLC
CO-MANAGER Wendy Mendez

Operations, customer communication and the day-to-day coordination behind the shop.

Angel Romero at TractoAuto LLC
MANAGER Angel Romero

Diagnostic direction, technical workflow and hands-on heavy-duty troubleshooting.

TractoAuto heavy-duty service work

ENGINE PERFORMANCE

Mechanical work backed by diagnosis.

Fuel, cooling, lubrication and engine-performance concerns are verified before repair decisions are made.

Heavy-duty dump truck inside the TractoAuto shop

HEAVY-DUTY REPAIR

Built around commercial trucks.

Truck repair, inspection and troubleshooting with the workflow and space required for heavy-duty platforms.

TractoAuto workshop

THE FACILITY

A shop designed for serious work.

Organized bays, diagnostic equipment and room to handle commercial trucks without compromising the process.

Diesel engine work at TractoAuto

ENGINE WORK

From evidence to verified repair.

Mechanical repairs are approached with the same diagnostic discipline used for electronic and electrical faults.

FOLLOW THE WORK

TractoAuto across social media.

80K+VISIBLE COMMUNITY • YOUTUBE + TIKTOK + INSTAGRAM
THE TRACTOAUTO METHOD

Stop replacing parts. Start proving failures.

01

Confirm

Verify the complaint before touching the repair.

02

Test

Use data and measurements to isolate the system.

03

Repair

Fix the actual failure—not the symptom.

04

Verify

Confirm operation before the truck leaves.

REAL SHOP WORK

Built around trucks that need answers.

WHY TRACTOAUTO
Diesel performance diagnosis at TractoAuto LLC
ENGINE PERFORMANCE

Data-driven troubleshooting

Heavy-duty truck repair inside TractoAuto facility
SHOP FLOOR

Commercial truck repair

TractoAuto heavy-duty service work
ELECTRICAL + MECHANICAL

One diagnostic process

TractoAuto LLC heavy-duty truck repair facility in Winder Georgia
VISIT THE SHOP
750 TUCKER RD
WINDER, GEORGIA

A heavy-duty shop built for modern diagnostics.

Professional workspace, diagnostic technology and a workflow designed around commercial trucks—not passenger vehicles.

NEED THE TRUCK BACK ON THE ROAD?

Bring us the problem. We'll bring the process.

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