Information Relating to Duty Cycles and Average Power Requirementsof Truck and Bus Engine Accessories

Standard:
Revised:
  • 2000-08-31
 
  • CURRENT
Publisher:
  • SAE International
Pages:
7
Scope:

This report is intended to provide the information to estimate the accessory load of a typical heavy truck or bus. The components covered include: air compressors, alternators, refrigerant compressors, engine cooling fans and power steering pumps. The values show an estimate of the average power requirements and duty cycles for these accessories. This report does not address loads required for engine operation. Required systems include those needed for engine performance such as fuel pumps and electronic control modules (ECM).

History:
Standard Published Revision Status
J1343_200008 2000-08-31 Latest Revised
1981-07-01 Historical Issued
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