WG-5803

Heavy Mobile Equipment Mechanic

This standard covers nonsupervisory work involved in the maintenance, repair, and modification of heavy duty vehicles and mobile equipment which have utility systems or special hydraulic, pneumatic, mechanical, electrical, or electronic systems, features, or controls designed for such purposes as construction, combat, earth moving, ship loading, firefighting, and comparable industrial or special applications. Examples of heavy duty equipment covered by this series include bulldozers, road grader

📊Administrative📈WG-1 through WG-15📁5800

💰WG-5803 Salary Information

Federal Wage System Pay

Federal Wage Grade (WG) pay varies by geographic location and is determined by local prevailing wage surveys.

Look Up WG Pay by Location

Source: DoD Civilian Personnel Advisory Service

Qualification Requirements

Official OPM qualification standards for WG-5803

Heavy Mobile Equipment Mechanic

Federal Wage System Position

Work Performed

This standard covers nonsupervisory work involved in the maintenance, repair, and modification of heavy duty vehicles and mobile equipment which have utility systems or special hydraulic, pneumatic, mechanical, electrical, or electronic systems, features, or controls designed for such purposes as construction, combat, earth moving, ship loading, firefighting, and comparable industrial or special applications. Examples of heavy duty equipment covered by this series include bulldozers, road graders, crawler tractors, power shovels, locomotives, combat tanks, cranes, large missile transporters, and fire trucks. The repair of major systems (such as diesel, gasoline, multifuel, and turbine engines; automatic, standard, and cross-drive transmissions; heavy duty drive line systems; and hydraulic, electrical, and mechanical utility systems) is included, whether accomplished as part of or apart from repair of the total piece of heavy mobile equipment involved. The work requires knowledge of how heavy duty machinery, engines, parts, and systems work; ability to detect faulty items, determine causes of malfunction, and determine best repair methods; and skill to assemble, disassemble, repair, or modify components and systems.

Physical Effort

: Heavy mobile equipment repairers at the

🎖️Tips for Veterans

  • Translate military experience: Map duties to civilian terminology.
  • Highlight training: Include courses and certifications.
  • Veterans preference: Claim your 5 or 10-point preference.
  • Experience substitution: Military experience may substitute for education.

📝How to Qualify for WG-5803

Step-by-step guide to landing a federal heavy mobile equipment mechanic position

  1. 1

    Review Trade/Craft Requirements

    WG positions require demonstrated skill in a specific trade or craft. Review the job announcement for required certifications, licenses, and hands-on experience.

  2. 2

    Document Your Experience

    WG positions are experience-based, not grade-based. Document your years of hands-on trade experience, apprenticeships completed, and journeyman status if applicable.

  3. 3

    Gather Credentials

    Collect your DD-214, trade certifications (welding, electrical, HVAC, etc.), apprenticeship completion certificates, and any specialized licenses required for your trade.

  4. 4

    Build Your Federal Resume

    Create a detailed federal resume highlighting your hands-on trade experience, tools and equipment operated, safety training, and specific projects completed. Include hours worked per week.

  5. 5

    Apply on USAJOBS

    Search for WG positions in your trade specialty, carefully answer assessment questions about your skill level and experience, and submit before the closing date.

🎖️Military to Federal Crosswalk

Military jobs that transition to WG-5803

Army88P
Match

Railway Equipment Repairer

88Ps map directly to WG-5803 Heavy Mobile Equipment Mechanic. Diesel-powered mobile equipment repair and the federal inspection mindset transfer without friction.

Skills:
Diesel-electric repairHeavy mobile equipmentAir brake systemsFederal inspection standards
Entry Grades:
WG-8WG-9WG-10
NavyCM
Match

Construction Mechanic

Heavy Mobile Equipment Mechanic. Repair and maintain heavy mobile equipment at federal construction sites and military installations. Same equipment types as NMCB fleet.

Skills:
Heavy equipment repairPower train systemsBrake systemsElectrical troubleshooting
Entry Grades:
WG-10WG-11WG-12
Army12N
Match

Horizontal Construction Engineer

WG-5803 Heavy Mobile Equipment Mechanic is the maintenance lane for 12Ns. Hydraulic systems, undercarriage wear, and field-level repair on dozers, loaders, and graders are direct transfers.

Skills:
Hydraulic systemsHeavy diesel maintenanceField-level repairEquipment troubleshooting
Entry Grades:
WG-8WG-9WG-10

💡 Tip:Your unique military experience may qualify you even if your MOS isn't listed.

📋Typical Duties

  • Perform heavy mobile equipment mechanic tasks as assigned
  • Follow safety procedures and regulations
  • Maintain and operate tools and equipment
  • Complete work orders and documentation
  • Coordinate with team members and supervisors

🎯Key Competencies

Ability to follow safety procedures and regulations
Knowledge of tools and equipment for the trade
Skill in performing physical tasks requiring manual dexterity
Ability to work independently and as part of a team
Ability to read and interpret instructions and procedures

🔑Resume Keywords

heavymobileequipmentmechanicheavy mobile equipment mechanicvehicle maintenanceautomotive repairmechanicalpreventive maintenancesafetyquality controlproceduresregulationscompliance

💡 Use these phrases to help ATS systems and human recruiters find your qualifications.

Grade Levels

WG-5Entry
WG-8Intermediate
WG-10Journey
WG-11Senior

Typical grades for Federal Wage System positions

Frequently Asked Questions about WG-5803

What is a Heavy Mobile Equipment Mechanic?

A Heavy Mobile Equipment Mechanic (WG-5803) maintains, repairs, and modifies heavy-duty vehicles and mobile equipment with specialized systems for construction, combat, earthmoving, firefighting, and industrial applications including bulldozers, graders, cranes, and combat vehicles.

How much does a federal Heavy Mobile Equipment Mechanic make?

Federal Heavy Mobile Equipment Mechanics (WG-5803) are paid under the Federal Wage System based on local prevailing rates. Journeyman wages (WG-10/11) typically range $28-$45 per hour. Annual earnings range $58,000-$94,000. Combat vehicle mechanics earn premium rates.

What are the requirements for WG-5803 positions?

WG-5803 requires skill maintaining heavy equipment with hydraulic, pneumatic, mechanical, and electrical systems. Qualifications include engine repair, transmission work, hydraulic system maintenance, and ability to diagnose complex equipment problems.

Can military experience substitute for education in WG-5803?

Absolutely. Military heavy equipment experience directly qualifies. Army 91L (Construction Equipment Repairer), 91A (Abrams Tank System Maintainer), Seabee Construction Mechanics (CM), and any MOS involving heavy equipment repair provides directly relevant experience.

What is the career progression for Heavy Mobile Equipment Mechanic?

Heavy Mobile Equipment Mechanics progress to journeyman (WG-10/11) and lead positions. Career specializations include construction equipment, combat vehicles, or material handling equipment. Supervisor and shop management positions are advancement paths.

How do I apply for WG-5803 jobs on USAJOBS?

Search USAJOBS for 'Heavy Equipment Mechanic' or series '5803.' Positions exist at construction units, depots, and maintenance facilities. Highlight your equipment specializations, certifications, and troubleshooting experience. Veterans receive strong preference.

Ready to Apply for WG-5803?

Create a tailored federal resume that meets OPM standards.