24/7 Mobile Truck Repair & Roadside Assistance
When your truck breaks down, every hour of downtime costs you money.
PH Fleet Services dispatches experienced mobile technicians to your location to diagnose and repair truck problems fast — whether you’re on the highway, at a terminal, or stuck at a shipper’s dock. We serve Pennsylvania, New Jersey, Delaware, Maryland, and New York around the clock.
- 24/7 services
Why reliable mobile truck repair matters
A disabled truck is more than a mechanical inconvenience. It disrupts delivery schedules, triggers detention charges, and puts pressure on dispatchers, fleet managers, and drivers alike. When a breakdown happens far from the home shop, the cost of towing adds up quickly, and waiting for a service appointment the following business day is not an option for time-sensitive freight.
Mobile truck repair solves this problem by bringing the technician to the truck. PH Fleet Services operates throughout the mid-Atlantic and Northeast, providing on-site repairs that get trucks rolling again without the cost and delay of a tow. Whether you operate a single truck or manage a regional fleet, having a reliable mobile repair partner in your contacts can mean the difference between a minor delay and a missed delivery.
Why choose PH Fleet Services
Fast on-site response
When a truck breaks down, every hour costs money. Our technicians are dispatched quickly to your location to minimize time off the road.
Available 24/7/365
Breakdowns don't follow business hours. PH Fleet Services provides emergency truck repair around the clock, including nights, weekends, and holidays.
Mobile service — we come to you
Our technicians bring the tools and parts to your location. Whether you're at a truck stop, a shipper's dock, or on the side of the highway, we respond on-site.
Multi-state coverage
We serve Pennsylvania, New Jersey, Delaware, Maryland, and New York, covering major freight corridors and urban areas across the region.
Broad range of truck repairs
From air brakes and electrical systems to ABS faults and suspension issues, our technicians are equipped to handle a wide range of truck problems in the field.
Service for owner operators and fleets
We work with independent owner operators, small carriers, and large fleet managers. Our service adapts to the scale of your operation.
Truck repair services
Air brake repair
Air brake problems are among the most serious issues a truck can develop. Symptoms include slow brake application, spongy pedal feel, air leaks audible from the cab or chassis, brakes dragging on one side, or a low-air warning that won’t clear. Air brake failures create compliance issues and safety risks, and most jurisdictions require trucks to be removed from service until the problem is corrected. PH Fleet Services diagnoses and repairs truck air brake systems in the field, including brake chambers, slack adjusters, valves, and related components.
Electrical repairs
Truck electrical failures affect lighting, ABS systems, brake controllers, and cab systems. Common symptoms include marker lights that won’t illuminate, brake lights that stay on or don’t respond, intermittent tail light failures, and fault codes related to electrical connections. Many roadside inspections cite lighting violations, which can result in out-of-service orders. Our technicians diagnose truck wiring problems and complete electrical repairs on-site to bring trucks back into compliance.
ABS repairs
Antilock braking system faults generate warning lights on the truck dash and often result in out-of-service violations during roadside inspections. Common causes include wheel speed sensor failures, damaged wiring to ABS components, modulator valve problems, and ECU faults. ABS warning lights should never be ignored. PH Fleet Services diagnoses truck ABS faults and performs the sensor, wiring, and component repairs needed to clear the warning and restore proper function.
Air lines and hoses
Damaged or deteriorated air lines cause air pressure drops that affect braking performance across the entire truck. Cracks, abrasion damage, connection failures, and fitting corrosion are common causes of air line problems. A truck with compromised air lines should not be operated until the lines are repaired. Hoses and fittings connect critical air and fluid systems throughout the truck. A failed hose or loose fitting can disable air suspension, affect brake performance, or cause fluid leaks. Our technicians carry air line materials, hoses, and fittings to complete repairs on-site, restoring proper system pressure and function.
Suspension and air bag repair
Truck suspension systems often use air bags that can fail due to age, road debris, or weather exposure. A failed air bag causes the truck to lean to one corner, affects ride quality, and can lead to tire wear and handling problems. In severe cases, the truck may sit low enough to bottom out over bumps or cause clearance issues with fifth wheel height. PH Fleet Services replaces air bags and related suspension components on-site, including height control valves, air lines, and mounting hardware.
Fifth wheel and coupling repair
The fifth wheel connects the tractor to the trailer, and problems here stop the combination from moving safely. Issues include a fifth wheel that won’t latch or release, damaged locking mechanisms, worn slide rails, or air leaks in the fifth wheel air release system. A driver who cannot couple or uncouple is stranded at a dock or terminal. PH Fleet Services diagnoses and repairs fifth wheel problems in the field, addressing mechanical and air system issues that prevent proper coupling operation.
24/7 emergency truck repair
A truck breakdown never happens at a convenient time. Whether it is a brake failure at 2 a.m., an electrical problem that triggers a DOT inspection hold, or an air leak that won’t let the truck build pressure, the need for a fast response is immediate. PH Fleet Services provides emergency mobile truck repair around the clock. When you call, our dispatch team locates the nearest available technician and sends them to your position with the equipment needed to address your specific problem.
Emergency repair calls receive the same attention as scheduled service. Our technicians carry diagnostic tools and commonly needed parts so that many emergency repairs can be completed in a single visit without waiting for parts to be sourced. For drivers broken down on the highway, we respond directly to the location and coordinate with the driver on safe access to the truck for the repair.
Common truck problems we fix
The following issues represent some of the most frequent reasons operators contact PH Fleet Services for mobile truck repair:
- Air brake problems: Air leaks, dragging brakes, weak stopping performance, and brake chamber failures that require immediate attention to keep trucks compliant and safe.
- Electrical failures: Lighting violations are among the most common roadside inspection citations. Wiring faults, corroded connections, and failed components leave trucks out of compliance.
- ABS warning lights: Sensor failures, wiring damage, and modulator problems that trigger warning lights and can result in out-of-service orders during roadside inspections.
- Air line and hose failures: Cracked, abraded, or burst air lines and hoses that cause pressure drops, air suspension collapse, or fluid leaks.
- Air bag suspension failure: Trucks that lean to one side, ride roughly, or sit low due to failed air bags or height control valves.
- Fifth wheel coupling issues: Fifth wheel that won’t latch or release, damaged locking mechanisms, or air release system failures.
- Air system leaks: Audible air leaks from fittings, valves, or air tanks that prevent the truck from building or holding pressure.
Service areas
PH Fleet Services provides mobile truck repair throughout Pennsylvania, New Jersey, Delaware, Maryland, and New York. Our technicians operate across the region, covering major freight corridors and urban centers where commercial trucking activity is concentrated.
In Pennsylvania, we serve Philadelphia, Reading, Allentown, Harrisburg, and Lancaster, along with the surrounding counties and I-78, I-76, and I-81 freight corridors. In New Jersey, we cover Newark, Edison, Trenton, Cherry Hill, Atlantic City, and Toms River, with access to the busy freight routes connecting the ports and distribution centers along the Northeast Corridor.
Delaware is served throughout the state, with particular coverage in and around Wilmington and the I-95 corridor. In Maryland, our service area includes Baltimore and the surrounding region, covering the major highways used for mid-Atlantic freight movement. In New York, we provide mobile truck repair in New York City and the surrounding metropolitan area.
If you are unsure whether your breakdown location falls within our service area, call us at (888) 991-8657. Our dispatch team will confirm coverage and provide an estimated response time.
How our process works
1 : Call PH Fleet Services
Call (888) 991-8657 and describe the problem. Have the truck location, truck type, and a brief description of the issue ready. Our dispatch team will confirm service availability for your location and gather the information needed to prepare the technician.
2: Technician dispatch
We locate the nearest available technician and dispatch them to your location with the appropriate tools and commonly needed parts for your repair type. You will receive an estimated arrival time so your driver knows what to expect.
3: Diagnosis and repair
The technician arrives on-site, assesses the problem, and completes the repair. For most common truck issues, repairs can be completed in the field without requiring parts to be ordered. If parts need to be sourced, we will communicate clearly about timing.
4: Get back on the road
Once the repair is complete and the truck is confirmed operational, your driver can continue their route. For fleet customers, we provide documentation of the repair for maintenance records upon request.
Frequently Asked Questions
We service semi-trucks, box trucks, dump trucks, and other commercial trucks. We handle a broad range of mechanical, electrical, and air system issues across all types.
Yes. PH Fleet Services operates 24 hours a day, seven days a week, including evenings, weekends, and holidays. Emergency truck repair is always available when you need it.
Response times depend on your location and current call volume. When you contact us, we dispatch the nearest available technician and provide an estimated arrival time.
Yes. Our technicians are equipped for roadside truck repair and carry the tools and common parts needed to complete many repairs on-site at your breakdown location.
We provide mobile truck repair in Pennsylvania, New Jersey, Delaware, Maryland, and New York. Service is available throughout these states, including major cities and freight corridors.
We focus on the chassis, brake, electrical, ABS, air system, and suspension components that affect safe operation. For major engine or transmission repairs, contact us to discuss your specific situation.
Do not ignore an ABS warning light. Contact PH Fleet Services immediately. We can diagnose the fault and repair the ABS system to bring the truck back into compliance.
Yes. Fifth wheel coupling problems are common roadside issues. Our technicians diagnose and repair fifth wheel latching mechanisms and air release systems in the field.
Yes. We regularly work with fleet managers and dispatchers handling breakdowns for multiple units. Contact us to set up efficient service coordination for your fleet.
Have the truck location, truck type, unit number if available, and a brief description of the problem ready. This allows us to dispatch the right technician with the appropriate equipment.
Need Emergency Mobile Truck Repair?
PH Fleet Services provides fast, dependable mobile truck repair throughout Pennsylvania, New Jersey, Delaware, Maryland, and New York. From air brake problems and electrical failures to ABS faults and suspension repairs, our technicians are available 24 hours a day, 7 days a week.
