Test Method to Obtain Lug-Up Torque Data for Heavy-Duty Truck and Bus Engines

Standard:
Issued:
  • 2001-04-25
 
  • CURRENT
Publisher:
  • SAE International
Pages:
2
Scope:

This SAE Recommended Practice applies to all forms of diesel and natural gas engines fueled by the combination of diesel fuel and natural gas. This document provides a method to determine the torque generating capability of an engine as it accelerates away from idle at a specified acceleration rate. The data is typically used to aid in the proper matching of the engine to the available torque converters of a torque converter equipped transmission. The goal is to achieve acceptable off-idle transient engine acceleration against the load of a torque converter equipped vehicle as it moves away from a stop.

History:
Standard Published Revision Status
J2548_200104 2001-04-25 Latest Issued
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