Mon – Fri 8:30AM – 6:00PM / Sat 8:30AM – 2:00PM

  • (281) 727-9374

  • Info@alltechdiesel.com

AllTech Diesel Houston TX certified diesel shop
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Houston, Texas · Built to Last

The Shop
Behind the
Wrench

AllTech Diesel was built for one reason: Houston's diesel operators deserve better. Better diagnostics. Faster turnarounds. Technicians who actually know what they're doing.

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Shop at a Glance
10+
Years in Business
10K+
Trucks Serviced
4.7★
Google Rating
99%
Satisfaction Rate
Certified TechniciansTrained on all major diesel platforms
Fast TurnaroundMost repairs completed same-day
OEM Diagnostic EquipmentFactory-level ECM & ECU access
AllTech Diesel technicians working on diesel engine Houston TX
10K+Trucks Repaired
Our Story

Built on Diesel,
Driven by Results

AllTech Diesel was established in Houston, Texas with a straightforward mission: provide honest, expert diesel repair that owner-operators and fleet managers can actually rely on. No runaround. No unnecessary parts. Just accurate diagnostics and real fixes.

We've built our reputation one truck at a time. From a single Cummins engine that needed an ECM recalibration to full fleet maintenance contracts covering dozens of heavy-duty vehicles, every job gets the same standard of care — the highest possible.

Today, AllTech Diesel is one of Houston's most trusted diesel repair shops, with over 10,000 trucks serviced and a 4.7-star Google rating backed by more than 126 verified reviews from real operators across the Gulf Coast region.

  • Specialized exclusively in heavy-duty diesel — no gas cars, no distractions
  • OEM-grade diagnostic equipment for factory-level ECM and ECU access
  • Transparent estimates — you approve every repair before we start
  • Fast same-day and next-day turnaround on most diagnostics and repairs
  • Fleet accounts available with priority scheduling and maintenance plans
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What We Stand For

Our Core Values

Every decision at AllTech Diesel starts with these four principles — from how we diagnose your truck to how we talk to you at the front desk.

Integrity First
We don't upsell repairs you don't need. Every estimate is honest, every diagnosis is backed by data, and you always know what you're paying for before we touch your truck.
Speed Without Shortcuts
Downtime costs money. We work fast — most diagnostics completed same-day — but we never cut corners. Fast and right, every time, no exceptions.
Technical Excellence
Our technicians are trained on the latest diesel systems and we invest in OEM diagnostic tools to give you factory-level accuracy on every platform we service.
Operator-First Mindset
Your truck is your livelihood. We communicate clearly, respect your time, and treat every vehicle like it's the only truck we're working on that day.
Our Journey

Key Milestones

From a small Houston shop to one of the Gulf Coast's most trusted diesel repair specialists — here's how we grew.

Day One
Doors Open in Houston
AllTech Diesel opens its first shop in East Houston, TX, focusing exclusively on heavy-duty diesel repair and ECM diagnostics for owner-operators.
Early Growth
OEM Diagnostic Investment
We invest in factory-grade ECM and ECU diagnostic tools, enabling us to service Cummins, Detroit Diesel, Caterpillar, and Volvo with manufacturer-level accuracy.
Expansion
Fleet Programs Launch
Demand from trucking companies leads to our first formal fleet maintenance contracts, offering priority scheduling and multi-unit pricing for Houston fleets.
Recognition
4.7★ on Google · 126 Reviews
Consistent five-star service earns AllTech Diesel a 4.7-star Google rating, making us one of the highest-rated diesel repair shops in the Houston metro area.
Today
10,000+ Trucks & Counting
AllTech Diesel has now serviced over 10,000 heavy-duty vehicles across Houston and the Gulf Coast, continuing to grow as the most trusted name in diesel repair in Texas.
Why Trust Us

Certified Expertise

Our technicians are trained and equipped to service every major diesel platform with precision — not guesswork.

Certified Technicians
All technicians are fully trained and certified on heavy-duty diesel platforms, staying current with the latest engine and emissions technologies.
OEM Diagnostic Tools
Factory-level diagnostic equipment for Cummins, Detroit Diesel, Caterpillar, Volvo, Paccar and more — dealer access at a fraction of dealer prices.
ECM & ECU Specialists
We read, reprogram, and resolve fault codes that other shops can't even identify. ECM diagnostics and calibration is our core specialty.
Free Initial Diagnostic
New customers receive a free initial diagnostic scan. We tell you exactly what's wrong before quoting anything — no pressure, no surprises.
The People Behind The Work

Meet the Team

Every technician at AllTech Diesel brings specialized knowledge and a commitment to getting your truck back on the road right — the first time.

Chief Executive Officer
CEO & Founder
Leads AllTech Diesel with over 10 years of experience in the heavy-duty diesel industry. Responsible for company vision, strategic growth, and setting the standard of excellence across every department.
Leadership Business Strategy Diesel Industry
Operations Manager
Shop Manager
Oversees day-to-day shop operations, technician scheduling, customer service, and quality control. Ensures every job meets AllTech Diesel's standards before the truck leaves the bay.
Operations Customer Service Fleet Coordination
ECM / ECU Programmer
Diesel Programmer
Specialist in ECM and ECU calibration, fault code diagnostics, and custom tuning across all major diesel platforms. The technician who reads the code other shops can't decode.
ECM Programming ECU Calibration Fault Code Analysis

Diesel Brands We Service

CumminsDetroit DieselCaterpillarVolvoPaccarMackInternationalNavistarIsuzuFreightlinerKenworthPeterbiltHino
What Operators Say

Real Reviews

4.7
★★★★★
Based on 126 verified reviews
GGoogle Reviews · Houston TX
★★★★★
"Very good place — they tested my computer at no charge, the diagnostic was excellent. They cleared up my doubts when other shops couldn't even tell me what the problem was."
AM
Adan Molina
★★★★★
"The technicians were excellent at finding the problem and the office staff was very friendly. A great place to bring your truck — made sure I was comfortable while I waited."
JR
Javier Rosario
★★★★★
"Excellent service and excellent results on the work they did. You can go with confidence — they know what they're doing and they communicate everything clearly."
EC
Eduardo Calderin
★★★★★
"Talented team, very helpful and willing to assist. The quality of their work is outstanding. Highly recommended for any diesel truck repair in the Houston area."
AS
Adalberto Suarez
★★★★★
"Great work and fast service. Best shop in Houston for electrical and ECM problems. They diagnosed and fixed my truck within a few hours when other shops gave up."
ZP
Zayda Peralta
★★★★★
"Professional and efficient. They diagnosed the fault codes, ordered the right parts, and had my truck back on the road same day. No guesswork, no wasted time."
TW
Verified Customer
Our Commitment

Your Truck Deserves
The Best

AllTech Diesel is Houston's home for diesel operators who refuse to accept mediocre service. Bring us your hardest problems. We'll give you straight answers, fast repairs, and results you can count on.

Call (281) 727-9374 Book Appointment

Mon–Fri 8:30AM–6PM  ·  Sat 8:30AM–2PM  ·  4215 Guessena St., Houston TX

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