Heavy Equipment Mechanic 4 pay range
State of Washington · class code 600S
- Class code
- 600S
- Salary range
- 67G
- Pay unit
- Year
- State
- Washington
- The State of Washington published pay range for Heavy Equipment Mechanic 4 is $98,064 to $113,736 per year.
- Washington State Office of Financial Management (OFM) keys this classification as class code 600S.
- This is the range the plan authorises, not the salary of any individual employee.
Step progression
Washington State Office of Financial Management (OFM) assigns this class to salary range 67G in the General Service Salary Schedule. The range pays 7 steps, and this class starts at step G rather than at the bottom of the range; a step is normally earned on a periodic increment date, not negotiated.
| Basis | G | H | I | J | K | L | M |
|---|---|---|---|---|---|---|---|
| Annual | $98,064 | $100,488 | $102,996 | $105,612 | $108,228 | $110,952 | $113,736 |
| Monthly | $8,172 | $8,374 | $8,583 | $8,801 | $9,019 | $9,246 | $9,478 |
| Hourly | $46.97 | $48.13 | $49.33 | $50.58 | $51.83 | $53.14 | $54.47 |
Steps as published. The monthly and hourly rows are the state's own, not conversions of the annual row.
Class specification
The OFM classified job specification for this class is published by Washington State Office of Financial Management (OFM). The passages below are quoted from it as published, not paraphrased, and cut to their opening sentences; the full specification is the authority on duties and qualifications.
What the state says the job is
Supervises Heavy Equipment Mechanics; OR, acts as a technical expert performing evaluations and inspections of heavy vehicles and equipment.
Examples of the work
Performs as a heavy equipment mechanic and supervises heavy equipment mechanics and shop or field operations; Trains employees in mechanical maintenance and repair techniques, troubleshooting and determining the cause and extent of component or system failure through industry standards of diagnostics or trouble-shooting procedures and logic, test drives, pressure and temperature checks, uses disassembly, inspection, computerized and electronic diagnostic equipment, and reference to technical manuals, blueprints, and schematic manuals; Communicates with users and agency customers regarding equipment deficiencies, preventive maintenance scheduling, replacement recommendations, and parts re-use ...
Minimum qualifications
Four years of experience repairing and maintaining heavy equipment to include experience leading mechanics. Successful completion of vocational technical training in heavy equipment may substitute year for year for experience. Equivalent education and/or training may substitute for experience. Some positions may require a Commercial Driver’s License. Equivalent education/experience.
Quoted from the OFM classified job specification, read 2026-10-21.
Where this comes from
Washington State Office of Financial Management (OFM) publishes this figure in Classified Job Listing joined to the OFM salary schedules effective July 1, 2026. Every number on this page is read from that document; nothing is estimated, modelled or averaged.
The dollar figures come from the salary schedule the listing assigns this range to.