mos.directory

Navy NEC · Engineering

U22E General Motors EMD (645) Diesel Engine 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.

Browse Navy

Overview

The General Motors EMD 645 Diesel Engine Technician operates General Motors Electro Motive Division 645 diesel engines. This technician performs organizational or intermediate maintenance on the engines and their associated auxiliary equipment.

Core Skills

  • Organizational and intermediate diesel engine maintenance
  • Diesel engine auxiliary equipment 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.

Bus and Truck Mechanics and Diesel Engine Specialists

Operating and maintaining EMD 645 diesel engines and associated auxiliary equipment transfers directly to diesel engine service work.

How to prepare: Complete hands-on training in truck diesel diagnostics, including brake and steering systems if targeting full-vehicle repair roles.

What the civilian work involves
  • Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
  • Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
Civilian tools and software (examples)
  • Computerized maintenance management system software CMMS
  • Cummins INSITE

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC U22E

    [1] NEC entry "U22E - General Motors EMD (645) Diesel Engine Technician"; cached text line 11654; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Organizational and intermediate diesel engine maintenance, Diesel engine auxiliary equipment maintenance, Bus and Truck Mechanics and Diesel Engine Specialists (O*NET 49-3031.00)

  2. O*NET: Bus and Truck Mechanics and Diesel Engine Specialists

    [2] O*NET 30.3 occupational data

    Supports: Bus and Truck Mechanics and Diesel Engine Specialists (O*NET 49-3031.00)

Defense contractor jobs for U22E

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

Report an error on this page