Navy NEC · Engineering

Q33B SSN 774 Diesel Engine (Caterpiller) Maintenance Technician

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

Overview

An SSN 774 diesel engine maintenance technician performs preventive, organizational, and intermediate maintenance on Caterpillar diesel engines and their components. This technician takes readings, makes operating and repair adjustments, and performs shipboard lubricant oil, trend, and water analysis duties.

Minimum clearance: Secret

Core Skills

  • diesel engine maintenance
  • preventive maintenance
  • engine diagnostics
  • fuel system service
  • lubrication system analysis
  • cooling system maintenance
  • precision measurement
  • trend analysis
  • shipboard repair

Civilian Software & Tools

  • Autodesk AutoCAD
  • Dassault Systemes SolidWorks
  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Word
  • SAP software
  • Computerized maintenance management system software CMMS
  • Cummins INSITE

Civilian Career Paths

  • Mechanical Engineering
  • Fleet Management

Training & Development

Getting Started

  • ASE T2 Diesel Engines
  • OSHA 10-Hour General Industry

Career Growth

  • ASE Certified Master Medium/Heavy Truck Technician
  • Certified Maintenance and Reliability Professional (CMRP)
  • Project Management Professional (PMP)

Also Common

  • ASE Truck Equipment Certification (E Series)
  • ASE Diesel Engines Certification
  • ABYC Diesel Engines and Support Systems Certification
  • EPA Section 609 Technician Certification

What the 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.
  • Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
  • Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
  • Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
  • Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.

Related Occupations

  • Mobile Heavy Equipment Mechanics, Except Engines
  • Rail Car Repairers
  • Automotive Service Technicians and Mechanics
  • Motorboat Mechanics and Service Technicians

Typical preparation for these civilian roles: vocational training or an associate degree.

Defense contractor jobs for Q33B

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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