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Allison Truck Repair Services, Jacksonville
Are you searching for Allison truck repair services near me in Jacksonville? Then, you have come to the right place. We provide reliable repairs for commercial vehicles using Allison automatic transmissions.
904 Truck Repair is a US-based manufacturer that produces automatic transmissions for trucks, buses, and other commercial vehicles.We specialize in the inspection, repair, and replacement of Allison automatic transmissions.

With a team of ASE-certified mechanics, we are your #1 solution for maintaining optimal performance in all Allison-equipped vehicles. Whether you operate a delivery fleet, transit buses, or military vehicles, our team diagnoses the issue quickly. By using OEM parts, we restore your transmission to like-new condition. We focus on downtime reduction, ensuring you get back on track safely and fast.
Allison Transmission Repairs For Every Make & Model
Our company offers reliable and premier Allison transmission repair to clients in Jacksonville, Florida. We specialize in providing repairs for every make and model of Allison transmissions. By using modern diagnostic tools, we find the issue quickly and precisely. Our technicians have the training, tools, and experience needed to repair transmission issues efficiently.
We use high-quality parts to ensure long-term reliability. We handle everything from minor adjustments and fluid changes to complete overhauls and rebuilds. Every job is backed by a commitment to performance and durability. No matter the age or use case of your vehicle, we provide dependable Allison transmission repair service that meets your needs.
24-Hour Mobile Allison Truck Repair Services Available in Jacksonville!
Our mobile mechanics are available around the clock to provide emergency roadside assistance in Jacksonville, FL!
Specific Allision Truck Issues We Fix in Jacksonville
Overheating from Florida Heat & Heavy Loads
Jacksonville’s hot and humid climate means high temperatures almost all year. Allison transmissions, especially in 3000 and 4000 Series units, are prone to overheating. This can also happen due to towing, hauling, or frequent low-speed operation. Overheating leads to degraded transmission fluid, reduced lubrication, and accelerated wear on internal components. We provide changes to transmission fluid and other repairs to ensure smooth operations.
Torque Converter Failures Due to Idling
Frequent stop-and-go traffic and prolonged idling often leads to torque converter stress. The result is delayed acceleration, shuddering during take-off, or complete failure. This is a common issue in delivery and construction vehicles using Allison transmissions in Jacksonville. Our mechanics provide repairs and replace the needed parts.
Worn Clutches in Stop-and-Go Vehicles
In garbage trucks, school buses, and delivery trucks using 3000 or 4000 Series Allison transmissions, repeated acceleration and braking wear out clutch packs. These symptoms often present as slipping gears, delayed shifts, or surging during acceleration. Our services include clutch replacement using genuine Allison parts.
Fluid Leaks in Older 1000/2000 Series Units
As these light and medium-duty transmissions age, especially in RVs and smaller fleet trucks, we often see external leaks from pan gaskets, cooler lines, or input seals. If left unresolved, leaks lead to fluid loss, overheating, and eventual transmission failure. We address the symptom and find the underlying cause, from worn seals to cracked cases.
Reduced Efficiency in Hybrid and eGen Models
For hybrid-electric buses and vocational vehicles using eGen Power® and H 40/50 EP™ systems, integration faults between the transmission and battery modules can cause reduced power delivery, braking faults, or warning lights. Our technicians are trained in conventional and hybrid diagnostics to support electric and hybrid fleets.
Why Choose Our Allison Truck Repairs in Jacksonville?
FAQs
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Customer Reviews





Managing a busy fleet is tough, but their Allison fleet maintenance program keeps everything running smoothly. They catch issues before they become problems, saving us both time and money. Huge lifesaver for our business.
Kevin Harris

I brought my truck in for Allison automatic transmission repairs, and the team was amazing. They explained everything clearly and got the job done right the first time. Never felt so confident driving my rig again.
Jason Lee

Routine Allison transmission maintenance is critical for our long hauls, and this company absolutely delivers. They’re thorough, reliable, and keep us rolling stress-free. Highly recommend their top-notch service to any truck owner.
Ryan Hall

We had a transmission failure with our fleet truck, and their Allison transmission repairs were top-notch. The workmanship and attention to detail were excellent. This repair shop has earned our trust for any future needs.
Sarah Young








