Gearman

As gearman I have to see that the brakes are in perfect order; cars are in running order on 23d Street line at present.

Source: wiktionary

In this case the gearman's job consists simply in keeping the slime off the drum with bathbrick and attending to the oiling.

Source: wiktionary

Before a job is begun the nature of the cargo and the gear that will be required is determined; required gear is taken out of stock in the gear locker room by the gearman. It is then loaded on the gear trucks and driven to the pier […]

Source: wiktionary

It is therefore difficult to know where the gearmen's loyalty ends and their employer's dependence begins. Gearmen have an equally complicated relationship with fellow longshoremen.

Source: wiktionary