Diesel Engine Repair for Hydrovac Trucks.
Certified diesel mechanic with 25+ years repairing hydrovac and vacuum truck engines — keeping your equipment running strong across PA, NJ, and NY.
Hydrovac Diesel Engine Failed? Your Entire Hydrovac Operation Stops.
Don't let diesel engine problems shut down your vacuum excavation — get expert diagnostics and repair fast.
The Heart of Your Hydrovac System
Hydrovac diesel engine repair is critical because the engine powers not just the truck, but the entire vacuum excavation system. When your engine fails, everything stops.
All Major Engine Brands Serviced
Our certified diesel mechanics specialize in hydrovac truck engine repair and vacuum truck engine repair, servicing all major brands including Cummins, Caterpillar (CAT), Detroit Diesel, PACCAR, Navistar, Mack, and Volvo.
Complete Diagnostics & Overhaul
With comprehensive diesel engine diagnostics and diesel engine overhaul capabilities, we handle everything from fuel system repairs to turbocharging, cooling systems, and diesel emissions repair.
OEM-Certified Excellence
Our OEM-certified diesel mechanic expertise ensures your hydrovac powertrain service meets manufacturer specifications, protecting your warranty and investment.
Mobile or Shop Service
Whether you need mobile diesel engine repair at your job site or heavy truck engine repair in our shop, we minimize downtime and get your equipment back to work quickly throughout Pennsylvania, New Jersey, and New York.
Common Engine Problems We Fix
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Power Loss & Performance Issues
Turbo failures, fuel system problems, air intake restrictions
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Starting & Running Problems
Hard starting, rough idle, stalling, misfires
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Cooling System Failures
Overheating, coolant leaks, radiator issues
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Emissions & DPF Problems
Check engine lights, DEF system, regeneration issues
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Oil System Issues
Oil leaks, pressure problems, excessive consumption
Need other repairs? View all our hydrovac repair services, complete hydro excavation truck repair or emergency mobile service.
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Complete Diesel Engine Services for Hydrovac & Vacuum Trucks.
- •Engine diagnostics and performance testing
- •Overhauls and rebuilds for all major OEM engines
- •Fuel system repairs (injectors, pumps, filters)
- •Air intake and turbocharger service
- •Cooling system repairs (radiators, water pumps, thermostats)
- •Emissions system diagnostics and repairs (DEF, DPF, EGR)
- •Oil and filter changes with OEM-spec fluids
- •Powertrain integration checks with hydrovac systems
- •Preventive maintenance for long engine life
Why Choose HydroVac Pro for Engine Repairs.
- •25+ years as a certified diesel mechanic
- •Expertise with hydrovac truck engines and how they integrate with excavation systems
- •OEM-compliant diagnostics and repair procedures
- •Mobile service available for engine diagnostics and some repairs
- •Faster turnaround than dealerships
Diesel Engine Repair for Hydrovac Trucks Across PA, NJ & NY.
Professional mobile hydrovac truck repair within ~300 miles of Lansford, PA. Fast response times for emergency breakdowns and scheduled maintenance across three states.
Pennsylvania
Comprehensive hydrovac repair Pennsylvania businesses trust, with specialized Eastern PA coverage.
Major Service Areas:
- Lehigh Valley (Allentown, Bethlehem, Easton)
- Poconos & Monroe County
- Berks County (Reading)
- Bucks County
- Montgomery County
- Scranton/Wilkes-Barre
- All PA counties within service radius
New Jersey
Mobile hydrovac service New Jersey contractors rely on, from urban centers to industrial corridors.
Major Service Areas:
- Newark & Jersey City
- Paterson & Elizabeth
- Trenton & Princeton
- Morris County
- Somerset County
- Warren & Sussex Counties
- All NJ locations within 300 miles
New York
NYC hydrovac truck repair and vacuum truck repair NYC teams trust for complex urban projects.
Major Service Areas:
- NYC (All Five Boroughs)
- Bronx & Queens hydrovac repair
- Brooklyn & Staten Island
- Westchester County
- Hudson Valley Region
- Capital Region (Albany area)
- Orange & Rockland Counties
Recent Engine Repair Work.
Engine overheating under heavy load
Diagnosed coolant flow restriction; replaced water pump and flushed radiator system.
Fuel injector replacement on CAT engine
Replaced failed injectors; restored power and fuel efficiency on C15 engine.
Turbocharger repair on Cummins-powered hydrovac
Rebuilt turbo with new bearings and seals; eliminated oil leak and restored boost.
DEF system failure resolved on PACCAR engine
Diagnosed and replaced faulty DEF pump; cleared codes and restored emissions compliance.
Water pump replacement on Mack/Volvo unit
Proactive replacement during maintenance; prevented potential overheating failure.
Complete engine overhaul on Detroit Diesel
In-frame rebuild with new pistons, bearings, and gaskets; like-new performance restored.
Diesel Engine Repair FAQ
Keep Your Hydrovac Engine Running Strong
Expert diesel engine repair for hydrovac and vacuum trucks throughout PA, NJ, NY