Heavy Mobile Equipment Mechanic
Everything OPM FedScope (June 2026) reports about the Heavy Mobile Equipment Mechanic occupation series (code 5803): headcount, average salary, length of service, and pay comparison.
The verdict
In the Transportation/mobile Equipment Maintenance Family family, Heavy Mobile Equipment Mechanic counts 4,639 employees, a smaller, specialized federal occupation at 0.2% of the federal civilian workforce, and headcount edged down from the prior period; pay averages $94,068, which pays below the federal-wide average.
- Headcount change
- -0.6%
- Pay change
- +1.5%
- Avg tenure
- 13.9 yrs
- Rank in family
- #2 of 5
FedScope read on Heavy Mobile Equipment Mechanic (dense series)
On pay, the move between reporting periods was a modest shift, consistent with routine locality pay and grade-level movement. On length of service, this series shows a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career. Headcount moved down versus the prior period, a modest but trackable signal for anyone considering this specialized federal career path.
Heavy Mobile Equipment Mechanic sits inside the Transportation/mobile Equipment Maintenance Family family (code 58), which contains 5 related occupations across the federal government. Candidates browsing USAJOBS for Heavy Mobile Equipment Mechanic postings should also review these sibling occupations in the Transportation/mobile Equipment Maintenance Family family. The Transportation/mobile Equipment Maintenance Family family totals 11,831 employees, and Heavy Mobile Equipment Mechanic accounts for 39.2% of them. Its average salary ranks in the top half (60th percentile) of pay among Transportation/mobile Equipment Maintenance Family occupations.
Salary Context
How Heavy Mobile Equipment Mechanic pay compares to the federal average
Occupation Average
$94,068
Federal Average
$117,339
vs. Federal Avg
-19.8%
Where Heavy Mobile Equipment Mechanic ranks on federal pay
Heavy Mobile Equipment Mechanic earns more on average than 49% of federal occupation series (263 of 541). The highlighted bar marks where Heavy Mobile Equipment Mechanic sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; the highlighted bar marks Heavy Mobile Equipment Mechanic.
Related Occupations in Transportation/mobile Equipment Maintenance Family
4 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Misc Transportation/mobile Equipmt Maintne | 5,977 | $97,254 | 10.2 yrs |
| Automotive Mechanic | 1,079 | $81,292 | 15.1 yrs |
| Mobile Equipment Servicing | 95 | $57,358 | 6.9 yrs |
| Electromotive Equipment Mechanic | 41 | $89,407 | 15.3 yrs |
Nationwide peers near this dense headcount
Two peer sets for Heavy Mobile Equipment Mechanic outside the Transportation/mobile Equipment Maintenance Family family, on headcount and average salary axes that vary across all OPM occupation series.
Similar dense headcount
Nearest employee counts in other occupation families (4,639 here).
Similar average salary
Nearest average salaries in other occupation families ($94,068 here).
Key takeaways
- Place Heavy Mobile Equipment Mechanic pay in context with the pay-rank chart above, then compare it with another occupation.
- Turn an average salary into a grade: the GS pay grade tables show how grades and steps map to pay.
- Browse the Transportation/mobile Equipment Maintenance Family family occupations in the table above, or search current Heavy Mobile Equipment Mechanic postings on USAJOBS.
OPM FedScope and Federal Workforce Data figures are federal civilian headcounts, average salaries, and length-of-service statistics - not job-quality scores, hiring advice, or a live vacancy listing. A larger or higher-paid agency is not a better employer.