News & Trade Shows

Hand inspection is a structured, manual evaluation process where trained inspectors assess every critical turbocharger component through visual examination, tactile feedback, and precise measurement before a unit is approved for resale. At Goldfarb & Associates, every incoming turbocharger passes through this process regardless of its source or apparent condition. This guide covers why manual evaluation is necessary for used turbochargers, the step-by-step inspection procedure, common defects and what they reveal, diesel-specific inspection demands, and how rigorous quality screening shapes long-term reliability. Used turbochargers arrive with unknown service histories, carrying hidden problems like hairline housing cracks, subtle shaft play, and early...

Sourcing quality used diesel parts is a multi-stage process that moves components from global salvage yards, fleet decommissions, and industrial teardowns through rigorous inspection and testing before they reach a buyer's hands. This guide covers global sourcing strategy, the most in-demand component types, supplier vetting and evaluation methods, quality control and storage protocols, and buyer protection through warranties and guarantees. Global sourcing has become necessary because the diesel engine market spans continents and industries at a scale no single region can supply alone. Certain engine models common in Europe, Asia, or South America were never widely distributed domestically, and manufacturers...

Goldfarb & Associates is a family-run diesel parts supplier operating a 10,000-square-foot Maryland warehouse stocked with over 20,000 injection pumps, fuel injectors, turbochargers, ECMs, and related components in new, used, and remanufactured condition. This guide covers warehouse organization and storage strategy, hand-inspection quality control, inventory management systems, same-day shipping logistics, workforce expertise, cross-industry applications, and the family heritage behind the operation. Dedicated zones separate parts by component type and condition, with reinforced shelving for heavy injection pumps, modular drawer systems for injectors, climate-controlled cabinets for ECMs, and high-traffic positioning for turbochargers near packing stations. FIFO rotation and clear physical boundaries...

Engine knock is abnormal combustion that produces destructive pressure waves inside the cylinder, but it occurs through fundamentally different mechanisms in diesel and gasoline engines. Diesel knock results from prolonged ignition delay that allows excess fuel to combust simultaneously, while gasoline knock happens when unburned end-gas auto-ignites before the spark-initiated flame front reaches it. This guide covers combustion fundamentals, diesel knock causes and prevention, gasoline knock causes and prevention, symptom identification, damage consequences, and the role of fuel ratings and injection component quality. Diesel and gasoline engines ignite fuel through opposing methods (compression vs. spark), and this distinction shapes every...

A diagnostic flowchart for low power in diesel engines is a structured, step-by-step decision path that isolates the root cause of reduced engine output by testing each major system in sequence. It eliminates guesswork by directing technicians through fuel, air, exhaust, electronic, and mechanical checks in a logical order. This guide covers the core causes of diesel power loss, systematic diagnostic procedures for each engine system, exhaust and emissions fault isolation, electronic control module troubleshooting, internal mechanical failure testing, and sourcing quality replacement parts. Diesel engines lose power when one or more systems fail to deliver correct fuel pressure, air...