Road service 24/7 · Mobile repair
24/7 Chassis, Trailer & Genset Repair in Florida, Delaware & Philadelphia
We keep your fleet moving. Mobile road service and shop repairs for chassis, trailers and gensets, day and night.
- Chassis
- Gensets
- Diagnostics
- Repairs
- Mobile services
What we do
Our services
Full-service repair and maintenance for chassis trailers and gensets.
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Chassis trailer repair
Structural repairs, frame straightening, axle and suspension work, twist locks, and full chassis inspections.
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Genset repair & maintenance
Generator set diagnostics, engine overhaul, electrical systems, fuel systems, and preventive maintenance.
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Inspection & certification
DOT compliance inspections, roadworthiness checks, and maintenance programs to keep your equipment certified.
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Roadside rescue
Broke down on the road? Get an instant rescue quote online, with fast dispatch to get your fleet moving again.
Get a quoteInteractive 3D
40' chassis: parts catalog
32 components with full technical specs. Pick a part from the list or click it on the model to see what it does and how we service it. Drag to rotate, scroll to zoom, and explode the view to separate every assembly.
What you'll see in the model: 32 parts in 7 assemblies
7 Structure
- Main rails
- Cross members
- Gooseneck
- Front bolster
- Rear bolster
- Twist locks
- Outriggers
3 Coupling
- Upper coupler plate
- Kingpin
- Front apron
3 Landing gear
- Landing gear legs
- Sand shoes
- Crank handle
7 Suspension & axles
- Suspension hangers
- Leaf springs
- Equalizer
- Tandem axles
- Hubs & bearings
- Wheels & rims
- Tires
5 Brakes & air
- Air reservoir
- Brake chambers
- Slack adjusters
- Air lines
- Gladhands
4 Electrical & lighting
- Wiring harness
- Rear light cluster
- Marker lights
- License plate bracket
3 Safety
- Rear impact guard (ICC bumper)
- Mud flaps
- DOT conspicuity tape
Every part in the model has its own sheet: what it does, how it fails and how we repair or replace it.
Book a chassis inspectionWhere we work
Service areas
Covering the East Coast with fast, reliable chassis trailer and genset repair.
Not sure we cover your location? Call and ask
About us
Dedicated to keeping your fleet moving
At JD M&R Services, we specialize in chassis trailer and genset repair with years of hands-on experience. We understand that downtime costs money, so we work efficiently to get your equipment back on the road.
From routine maintenance to complex structural repairs, our team has the tools and expertise to handle it all.
- Repairs completed
- 500+
- Years of experience
- 5+
- Available
- 24/7
Always available
24/7 support
Direct access to our specialized technical team. We guarantee immediate response to keep your fleet running.
Contact support
Get in touch
Contact us
Ready to get started? Reach out via WhatsApp or give us a call.