Examples from the Web for tractive
As may be conceived, the tractive stress is, as a consequence, considerably diminished.
The Mallet locomotives with a tractive effort of 100,000 lbs., at present seem to have reached the limit of size and weight.Railroads: Rates and Regulations|William Z. Ripley
If H could be increased without limit, so also could the tractive force.
The crowded rip tracks reflect the tractive power of the big engines.
It does not show up in grate surface, tractive power, or weight on the drivers.