PublicPay

Heavy Mobile Equipment Mechanic federal salary series 5803

Full-time federal employees in the Heavy Mobile Equipment Mechanic series earned a median of $84,472 in annualized adjusted basic pay in September 2026, 23% below the all-federal median of $109,641. The middle half earned between $75,367 and $114,722.

Median pay
$84,472
full-time, September 2026
Middle 50%
$75,367–$114,722
25th–75th percentile
Employees
4,535
in this series, all schedules
Change in median
+4.5%
vs. September 2025
Pay distribution, full-time employees with published pay, September 2026
Heavy Mobile Equipment Mechanic
All federal (full-time)

What shapes heavy mobile equipment mechanic pay

The most common grade with published pay is WG-10 (1,592 employees, median $78,492). The largest employer of this series with published pay is the Department of the Interior (76 employees). Federal pay depends mostly on grade and step, plus a locality adjustment for where the job is located; see the GS pay scale explainer.

OPM withheld pay for 96% of employees in this series. The figures here describe only employees with published pay; withholding is concentrated in certain agencies (see data coverage).

Heavy Mobile Equipment Mechanic pay by grade

Grades with at least 30 full-time employees with published pay. GS grades are listed first; other pay plans follow.

Heavy Mobile Equipment Mechanic pay by grade
Pay plan–grade Employees Median pay Middle 50%
BB (ungraded) 32 $137,220 $119,027–$137,220
WG-10 1,592 $78,492 $72,372–$83,819

middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)

Heavy Mobile Equipment Mechanic pay by agency

Heavy Mobile Equipment Mechanic pay by agency
Agency Employees Median pay Middle 50%
Department of the Interior 76 $80,600 $71,818–$92,136
Department of Veterans Affairs 34 $75,268 $71,177–$83,156
Department of Energy 34 $147,509 $137,220–$154,375

middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)

Compare heavy mobile equipment mechanic pay across all states and agencies →

Change since September 2025

The median moved +4.5% from $80,871 in September 2025 to $84,472 in September 2026. Headcount went from 4,958 to 4,535 (−8.5%). A change in the median reflects both pay adjustments and who joined or left the workforce, so it is not the same as a pay raise.

Related occupations in Transportation/Mobile Equipment Maintenance Family