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 declined 0.6% from the prior period; pay averages $94,068, which pays below the federal-wide $117,339.
- Employees
- 4,639
- Share of workforce
- 0.2%
- Avg salary
- $94,068
- Avg tenure
- 13.9 yrs
FedScope read on Heavy Mobile Equipment Mechanic (dense series)
Federal agencies employ 4,639 people in the Heavy Mobile Equipment Mechanic occupation (OPM code 5803), accounting for 0.2% of the total federal civilian workforce of 1,953,300 for the June 2026 reporting window. Headcount in this occupation moved down by -0.6% versus the prior period, a modest but trackable signal for anyone considering this specialized federal career path.
The average salary for Heavy Mobile Equipment Mechanic is $94,068 per year. Salaries moved up by 1.5% from the prior period, a modest shift, consistent with routine locality pay and grade-level movement. Average length of service in this role is 13.9 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.
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.
Heavy Mobile Equipment Mechanic makes up 39.2% of the 11,831 employees across the Transportation/mobile Equipment Maintenance Family family, ranking #2 of 5 occupations in that family by headcount. 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 of $117,339
Occupation Average
$94,068
Federal Average
$117,339
vs. Federal Avg
-19.8%
Where Heavy Mobile Equipment Mechanic ranks on federal pay
Its average salary of $94,068 is higher 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; Heavy Mobile Equipment Mechanic ranks higher than 49%.
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
- Heavy Mobile Equipment Mechanic pays below the federal average by 19.8% ($94,068 vs $117,339 federal-wide), at the 49th percentile for pay among 541 tracked occupation series.
- A smaller, specialized federal occupation by headcount: 4,639 employees, 0.2% of the federal civilian workforce, and headcount declined 0.6% from the prior period.
- According to OPM FedScope June 2026, Heavy Mobile Equipment Mechanic ranks #93 of 663 federal occupation series by headcount (the same employee_count ordering as our occupations directory).
- Heavy Mobile Equipment Mechanic makes up 39.2% of the 11,831 employees across the Transportation/mobile Equipment Maintenance Family family, ranking #2 of 5 occupations in that family by headcount.
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.