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Long Life Halogen Sealed Beam Headlamps for Trucks
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English
Abstract
In the past, the heavy duty truckers have been able to purchase sealed beam headlamps for the trucks using either a 2 round system or the 4 round system, with longer design life low beam filaments.
In the '80's, many of the new truck models use rectangular sealed beams, however, these sealed beams were only available in the standard automobile life design. Truck operators noted the increase in replacement frequency and the additional costs related to the rectangular sealed beams.
This paper covers the research, development and testing of the long life halogen sealed beam headlamps in the last several years. The final results of field testing are not yet completed, as only two filament failures have been reported after 19 months of use on heavy duty trucks.*
Authors
Citation
Ehrhardt, R., "Long Life Halogen Sealed Beam Headlamps for Trucks," SAE Technical Paper 922445, 1992, https://doi.org/10.4271/922445.Also In
References
- Rood Truck Study
- Lyons John C. Freightliner Corp. “Headlamps for Heavy Duty Trucks - an OEM's Perspective” SAE Truck and Bus Meeting Nov. 10 1986 King of Prussia, PA
- McRoberts George Beaumont Gary Kalkoske Michael “Headlamp Vibration Testing for Heavy-Duty Trucks” SAE Truck and Bus Meeting Nov. 10 1986 King of Prussia, PA
- Moore David W. Dr. Inland Fisher Guide Div. of GM “Vibration Testing of Halogen & Non-Halogen Sealed Beams” SAE Lighting Committee Meeting, SAE Truck and Bus Meeting Nov. 7 1988 Indianapolis, IN