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Navy NEC · Engineering

730B LCAC Mechanical Systems Maintenance Technician

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.

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Overview

An LCAC Mechanical Systems Maintenance Technician maintains LCAC propulsion and lift systems. The technician performs this work at both organizational and intermediate maintenance levels.

Core Skills

  • LCAC propulsion system maintenance
  • LCAC lift system maintenance

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Mobile Heavy Equipment Mechanics, Except Engines

Organizational and intermediate-level maintenance of LCAC propulsion and lift systems provides a mechanical-maintenance foundation for servicing heavy equipment.

How to prepare: Complete hands-on heavy-equipment service training focused on equipment inspection, component replacement, and post-repair testing.

What the civilian work involves
  • Repair and replace damaged or worn parts.
  • Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
  • Operate and inspect machines or heavy equipment to diagnose defects.
Civilian tools and software (examples)
  • Maintenance management software

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC 730B

    [1] NEC entry "730B - LCAC Mechanical Systems Maintenance Technician"; cached text line 17323; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: LCAC propulsion system maintenance, LCAC lift system maintenance, Mobile Heavy Equipment Mechanics, Except Engines (O*NET 49-3042.00)

  2. O*NET: Mobile Heavy Equipment Mechanics, Except Engines

    [2] O*NET 30.3 occupational data

    Supports: Mobile Heavy Equipment Mechanics, Except Engines (O*NET 49-3042.00)

Defense contractor jobs for 730B

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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