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20 lut 2023 · Long story short, according to my calculations, with an engine idle speed of 700 RPM, this pulley spins my alternator at just over 1700 RPM. So according to the charts below, my humble 10SI is putting out a decent 30+ amps at idle speed. Alternator charts provided by @mallen a couple of years ago.
From 12 volt applications such as utility & work trucks, fire trucks, and long haul trucks with auxiliary power units to 24 volt applications like wheel loaders, graders and mining equipment, the Delco Remy 55SI is designed to take on the demanding electrical loads of today's heavy duty vehicles.
Eco-Tech patented low RPM alternators excel in applications where high electrical output is needed at low engine RPM’s. Quick-Mount Low RPM Alternators by Eco-Tech 14V/325A J180 Mount
3 mar 2021 · A quick look yields 90-120A for cars, and 200A or more for trucks (especially diesels.) To get a rough idea of torque, consider a typical engine at a cruising speed of 2000 RPM. The alternator has a smaller pulley, let's assume 1/2 the size of the crank, so 4000 RPM.
27 sie 2024 · Best For: This alternator is best for owners of 1996-2004 GM trucks and SUVs who need a high-performance alternator to power their vehicle's electrical system. Pros: Delivers high amperage output, with over 400 amps at driving RPMs and over 200 amps at idle RPMs
26 maj 2021 · In both ISO 8854 and SAE J 56, alternator testing and labeling standards indicate that the “rated output” of an alternator is the amount of current that it is capable of producing at 6,000 RPM. Each standard also indicates a range of other speeds that an alternator needs to be tested at and defines “idle output” and “maximum” output ...
1 sie 2012 · If you need 100 amps continuously at a specific rpm, for example, get an alternator that produces 160 amps at that speed. For many in the heavy construction, DOT and utility trades, the most important consideration is alternator output at idle.
