Heavy Equipment Mechanic

Heavy Equipment Mechanic (Port Arthur, TX)

SALARY: $31.6581 - $39.2485, Hourly (DOE&Q) EXEMPT
OPENING DATE: 08/08/2025
CLOSING DATE: Continuous until filled.

The Heavy Equipment Mechanic performs a variety of activities designed to service, repair and maintain city-owned heavy equipment. The work is performed through the application of a body of knowledge and specific certifications that denote expertise in heavy equipment maintenance. The mechanic performs a range of maintenance, repair and service activities on all heavy equipment, using considerable independent judgment in making decisions without the availability of supervision.

Received supervision from the Equipment Maintenance Manager.

• Perform maintenance and repair activities on various pieces of heavy equipment, including but not limited to heavy-duty trucks, material spreaders, excavators, skidders, high pressure pumps, bulldozers, graders, underbody blades, dump bodies, crawler tractors and trailers, compactors, backhoes, trailers, street sweepers, aerial towers, and man lifts.
• Diagnose, service and repair various systems found on pieces of heavy equipment such as mechanical and computer electronic controls, air brake systems, transmissions, computer controlled automatic transmissions, high voltage generators, propane powered equipment and pneumatic systems.
• Troubleshoot malfunctions in the equipment and repair.
• Repair and service track drive sprockets, rails, idler wheels, hard bars, track adjusters, hydraulic reversers, final drives, brake bands, steering clutches, and hydrostatic transmissions.
• Perform routine maintenance checks and adjustments on such things as fluid levels, hoses, belts, brakes, tires, and clutches; change filters, oil and lubricates on vehicles and motor driven equipment.
• Service, diagnose, repair and maintain speed tandem drive axles, with air or electric shift, hydrostatic driven and heavy-duty multi-axle suspensions, both conventional steel or air springs.
• Tune gas and diesel engines, service valves, fuel filters and turbo chargers, pressure checks fuel filters, adjust injector heights, fuel racks, governors, etc.
• Diagnose problems, disassemble units, repair or replace parts and reassemble units in the following systems:
• Brakes:
  Repair or replace shoes, pads, drums, hoses, calipers, cylinders, and heavy-duty air brakes.
• Cooling:
  Flush radiator, replace hoses and thermostat, repair or replaces radiator and water pump, fan drives, DCA treatment filters, air intercoolers and oil coolers.
• Drive:
  Repair and replace drive shaft, differential, axle, manual, automatic and sophisticated computer-controlled transmissions, clutches, transfer cases, power take-off systems, transmission reversers, all-wheel drive steering axles and final drives.
• Electrical:
  Repair or replace fuses, batteries, lights, instruments, warning devices, controls and switches, computer controls, modules, alternators, starters and defective cables and wiring. This will include 12 and 24-volt systems.
• Exhaust and Emissions Control:
  Replace mufflers, manifolds, catalytic converters, turbochargers, blowers and pipes. Be knowledgeable in modern DPF and SCR systems.
• Heating and Air Conditioning:
  Repair or replace heater cores, condensers, compressors, hoses and controls; recharge air conditioning systems. Hydraulic:
  Repair or replace pumps, hoses, valves, winches and cylinders.
• Air:
  Repair or replace compressors, air dryers, brake valves, air tanks and hoses.
• Steering and Suspension System:
  Repair or replace tie rods, ball joints, gear boxes, shock absorbers, springs, steering linkage, kingpins, power steering, hoses, pumps, walking beam suspensions and air suspensions.
• Coupling Devices:
  Adjust, repair, inspect and replace fifth wheel hitches and pintle hitches. Overhaul engines, replaces engines and rebuilds components.