National Gear&Piston - The Heavy Duty Diesel, Automotive, Service and Repair Resource.

REPAIR SERVICES
ENGINE REMANUFACTURING PROCEDURES

The broad range of engineering services our shop provides is incredible. Re-powering your vehicle with a updated reman power plant has become a specialty of ours. We are currently piloting a project removing antiquated Scania engines from otherwise reliable oil work trucks and replacing them with reman 8.3 Cummins engines, breathing new life to a tired vehicle, cost efficiently. Our engine reman process is also listed within this site. This process ensures top quality performance for your 12 cylinder Detroit or 4 cylinder perkins - whatever your diesel reman or casting repair requirements.

We maintain a complete auto machine shop for engine rebuilding and maintenance, pin fitting, king pins, brake drums recutting, cylinder heads, reconditioning conn rods and drive shaft. Industrial and construction equipment engine specialists.

Head
Magnafluxing
Machining
New seats
Surface grinding
Pressure Testing- Water-180 degrees

Block
Magnafluxing
Inspection
Pressure tested
Main Bearing Saddles (if required) line bored
Pressure testing water -180 degrees Cylinders bored (if required)
Final Wash, Flush Galleries Rebuilt Turbo
Exchange blower

Crankshaft
Magnaglux for cracks
Check for straightness
Grinding
Rockwell Hardness Test
Polishing
Shot Peen Stress Relieving
Final wash and reflush galleries

Connecting Rods
Magnafluxing
New Bushings
Align honing of crank pin bores
New Bolts & Nuts
Alignment Check

Quality Control
Reinspection 0.1,..M. tolerance Check of machine parts
New bearings
New Pistons, Pins and Retainers
New Rings
New Filters
New Oil Pump kit(with Rotors)

Fuel System
Remanufactured unit injectors
Remanufactured fuel supply pump

Camshaft
Magnafluxing
OEM Check of lobes
Inspection of straightness
Polishing

Final Assembly
Testing under various loads for 3 plus hours including all phases of governor adjustments and every comprehensive test report.