Salary Confidential
Position range in Hardin County $45k - $63k Per Year
Diesel Mechanic
Delta Truck Services Corporation
Occupation: Mobile Heavy Equipment Mechanics, Except Engines
Location: Sour Lake, TX - 77659
Job Type: Regular, Full Time (30 Hours or More), Permanent Employment
Posted: 05/14/2026
Positions available: 1
Source: WorkInTexas
Web Site: WorkInTexas
Onsite / Remote: Work onsite all of the time
Updated: 05/17/2026
Expires: 06/13/2026
Job #: 17015052
Job Requirements and Properties
Help for Job Requirements and Properties.
Work Onsite
Full Time
Experience
12 Month(s)
DL
Required
Schedule
Full Time
Job Type
Regular
Duration
Permanent Employment
Public Transit
Available
Help for .
An 18-wheeler mechanic is responsible for diagnosing, repairing, and maintaining diesel-powered semi-trucks, trailers, and heavy-duty commercial vehicles. This role ensures vehicles operate safely, efficiently, and in compliance with transportation regulations.
Duties and Responsibilities
Inspect and diagnose mechanical, electrical, and hydraulic issues on semi-trucks and trailers
Perform preventative maintenance services such as oil changes, brake inspections, tire rotations, and fluid checks
Repair diesel engines, transmissions, clutches, suspensions, and steering systems
Troubleshoot air brake systems and ABS components
Repair electrical systems, lighting, wiring, and battery components
Conduct DOT inspections and ensure FMCSA compliance
Use diagnostic software and computerized testing equipment
Replace damaged or worn parts and components
Maintain accurate service and repair records
Respond to roadside breakdowns or emergency repairs when needed
Keep work areas clean and follow safety procedures
Required Skills and Qualifications
Knowledge of diesel engines and heavy truck systems
Ability to use diagnostic tools and repair equipment
Strong troubleshooting and problem-solving skills
Understanding of DOT and safety regulations
Physical ability to lift heavy parts and work in various weather conditions
Good communication and teamwork skills
High school diploma or GED preferred
Technical training or diesel mechanic certification preferred
Position range in Hardin County $45k - $63k Per Year
Diesel Mechanic
Delta Truck Services Corporation
Occupation: Mobile Heavy Equipment Mechanics, Except Engines
Location: Sour Lake, TX - 77659
Job Type: Regular, Full Time (30 Hours or More), Permanent Employment
Posted: 05/14/2026
Positions available: 1
Source: WorkInTexas
Web Site: WorkInTexas
Onsite / Remote: Work onsite all of the time
Updated: 05/17/2026
Expires: 06/13/2026
Job #: 17015052
Job Requirements and Properties
Help for Job Requirements and Properties.
Work Onsite
Full Time
Experience
12 Month(s)
DL
Required
Schedule
Full Time
Job Type
Regular
Duration
Permanent Employment
Public Transit
Available
Help for .
An 18-wheeler mechanic is responsible for diagnosing, repairing, and maintaining diesel-powered semi-trucks, trailers, and heavy-duty commercial vehicles. This role ensures vehicles operate safely, efficiently, and in compliance with transportation regulations.
Duties and Responsibilities
Inspect and diagnose mechanical, electrical, and hydraulic issues on semi-trucks and trailers
Perform preventative maintenance services such as oil changes, brake inspections, tire rotations, and fluid checks
Repair diesel engines, transmissions, clutches, suspensions, and steering systems
Troubleshoot air brake systems and ABS components
Repair electrical systems, lighting, wiring, and battery components
Conduct DOT inspections and ensure FMCSA compliance
Use diagnostic software and computerized testing equipment
Replace damaged or worn parts and components
Maintain accurate service and repair records
Respond to roadside breakdowns or emergency repairs when needed
Keep work areas clean and follow safety procedures
Required Skills and Qualifications
Knowledge of diesel engines and heavy truck systems
Ability to use diagnostic tools and repair equipment
Strong troubleshooting and problem-solving skills
Understanding of DOT and safety regulations
Physical ability to lift heavy parts and work in various weather conditions
Good communication and teamwork skills
High school diploma or GED preferred
Technical training or diesel mechanic certification preferred
Job ID: 521689328
Originally Posted on: 5/19/2026
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