Mobile Heavy Equipment Mechanics, Except Engines in the St. Louis Metro

BLS metro-level wage data places Mobile Heavy Equipment Mechanics, Except Engines pay in St. Louis, MO-IL at a median of $65,640 per year ($31.56/hr), drawn from the OEWS May 2025 release for this Metropolitan Statistical Area. Compared with the national median of $65,510, the metro estimate is same as. OEWS reports the difference but does not identify its cause. Approximately 1,340 mobile heavy equipment mechanics, except engines are employed across the St. Louis MSA in SOC 49-3042.

The St. Louis pay distribution spans from $46,910 at the 10th percentile to $93,870 at the 90th, a 2.0× observed spread. Differences in specialization, employer, sector, location, credentials, schedule, and experience may all contribute, but OEWS does not isolate their effects. The 25th percentile sits at $56,200 and the 75th at $82,090, so half of St. Louis-based mobile heavy equipment mechanics, except engines earn within that middle band.

Metro figures use establishment work location, not worker residence. BLS draws metro boundaries from the OMB MSA definitions, so St. Louis, MO-IL covers the central city plus outlying counties tied to the metro economically. OEWS includes straight-time pay, tips, commissions, incentive pay, and production bonuses. It excludes employer health and retirement benefits, overtime premiums, stock compensation, signing bonuses, and other nonproduction bonuses. The same occupation's national profile, statewide MO estimate, and peer-metro rows provide distinct geographic comparisons. A published median is a benchmark, not a prediction or ceiling for one worker.