1

Diesel Emissions Testing Jobs (NOW HIRING)

... systems, emissions systems, preventive maintenance, and fleet repairs in a fast-paced industrial ... Complete road calls, equipment inspections, operational testing, and post-repair quality checks as ...

Diesel Truck Mechanic

Roseville, MI · On-site

$25.50 - $30/hr

Perform advanced troubleshooting using diagnostic software and electronic testing equipment ... Troubleshoot emissions systems including DEF and DPF systems * Perform welding and fabrication ...

Diesel Mechanic

Decherd, TN · On-site

$21.50 - $28.25/hr

Conduct safety inspections and emissions-related testing when required * Accurately document all ... Diesel technology certification preferred * 3-5 years of hands-on diesel repair experience ...

Diesel Truck Mechanic - 2nd Shift

Holland, MI

$23.25 - $30.75/hr

Perform advanced troubleshooting using diagnostic software and electronic testing equipment ... Troubleshoot emissions systems including DEF and DPF systems * Perform welding and fabrication ...

Diesel Truck Mechanic - 2nd Shift

Lansing, MI

$25.25 - $33.50/hr

Perform advanced troubleshooting using diagnostic software and electronic testing equipment ... Troubleshoot emissions systems including DEF and DPF systems * Perform welding and fabrication ...

Diesel Truck Mechanic - 2nd Shift

Holland, MI · On-site

$23.25 - $30.75/hr

Perform advanced troubleshooting using diagnostic software and electronic testing equipment ... Troubleshoot emissions systems including DEF and DPF systems * Perform welding and fabrication ...

Diesel Truck Mechanic - 2nd Shift

Lansing, MI · On-site

$25.25 - $33.50/hr

Perform advanced troubleshooting using diagnostic software and electronic testing equipment ... Troubleshoot emissions systems including DEF and DPF systems * Perform welding and fabrication ...

... emissions testing • Maintain maintenance logs, inspection reports, oil analysis reports, and ... diesel, or internal combustion engines • Experience in pipeline, compressor station, or gas ...

Mechanic

Glendale, AZ

$22.50 - $29.25/hr

Schedules and/or conducts emissions testing on-site or at State Vehicle Inspection Stations. Cleans and maintains vehicles, shop equipment, tools, and workshop areas. Maintains Diesel Fuel Station ...

next page

Showing results 1-20

Diesel Emissions Testing information

See salary details

$15

$30

$45

How much do diesel emissions testing jobs pay per hour?

As of Jul 15, 2026, the average hourly pay for diesel emissions testing in the United States is $30.77, according to ZipRecruiter salary data. Most workers in this role earn between $25.48 and $35.58 per hour, depending on experience, location, and employer.

How much do emissions testers make per hour?

Emissions testers typically earn between $15 and $25 per hour, depending on experience, location, and certification level. The role often requires knowledge of testing equipment and adherence to environmental regulations, with some positions offering overtime or benefits.

How to become an emission tester?

To become a diesel emissions tester, you typically need to complete a training program or certification in emissions testing, which covers vehicle inspection procedures and environmental regulations. Many states or regions require certification or licensing, and familiarity with testing equipment and diagnostic tools is essential for the role.

What jobs pay 500,000 a year in the US?

In the field of diesel emissions testing, high-paying roles such as senior technical managers or specialized environmental consultants can reach or exceed $500,000 annually, especially with extensive experience, certifications, and leadership responsibilities. These positions often require advanced knowledge of emissions regulations, testing procedures, and industry standards, and may involve overseeing large teams or operations. However, such salaries are rare and typically found in executive or highly specialized roles across industries.

What is the difference between Diesel Emissions Testing vs Diesel Mechanics?

AspectDiesel Emissions TestingDiesel Mechanics
CertificationsEnvironmental or emissions-specific certificationsASE certifications, diesel engine certifications
Work EnvironmentTesting labs, vehicle inspection sitesRepair shops, garages, fleet maintenance facilities
Job FocusMeasuring and ensuring emissions complianceDiagnosing and repairing diesel engine issues
Industry UsageRegulatory agencies, environmental complianceVehicle repair, maintenance, and service

While Diesel Emissions Testing focuses on measuring and ensuring diesel vehicles meet environmental standards, Diesel Mechanics are responsible for diagnosing and repairing diesel engines. Both roles require technical skills, but emissions testers concentrate on compliance testing, whereas mechanics handle repairs and maintenance.

What jobs pay 4000 a week without a degree?

In the field of diesel emissions testing, most roles such as technicians or inspectors typically do not pay $4,000 weekly without specialized experience or certifications. High-paying jobs in this area usually require technical training, certifications, or experience, and salaries vary based on location and employer. Generally, earning $4,000 a week without a degree is uncommon in this industry without advanced skills or supervisory responsibilities.
More about Diesel Emissions Testing jobs
What cities are hiring for Diesel Emissions Testing jobs? Cities with the most Diesel Emissions Testing job openings:
What states have the most Diesel Emissions Testing jobs? States with the most job openings for Diesel Emissions Testing jobs include:
Infographic showing various Diesel Emissions Testing job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 4% Part Time, and 1% Nights. Highlights an 100% Physical job distribution, with an average salary of $64,003 per year, or $30.8 per hour.
Diesel Mechanic - Fort Worth

Diesel Mechanic - Fort Worth

Fort Worth Carrier Corporation

Fort Worth, TX • On-site

$35/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago


Job description

Class 8 Diesel Mechanic - Heavy Duty Trucks
Job Type: Full-Time
Pay: Up to $35 per hour (Based on experience)
Schedule: Day Shift Mon - Fri 8:00 AM - 4:30 PM / Some Weekends may be required
Location: Fort Worth, Texas
Job Description
Fort Worth Carrier Corporation is a dedicated carrier servicing a major retailer's private fleet since 1980. Our fleet consists of Cummins powered T680 Kenworth tractors, dollies, yard trucks, various makes of dry van pup trailers, and service vehicles. We are hiring an experienced Class 8 Diesel Mechanic to perform maintenance and repairs on heavy-duty tractors. This role focuses on keeping our fleet safe, compliant, and road-ready through accurate diagnostics, timely repairs, and preventative maintenance.
This is a hands-on position for mechanics with strong diesel engine, electrical, and DOT inspection experience.
Responsibilities
  • Diagnose and repair Class 8 diesel tractors
  • Perform preventative maintenance and scheduled services
  • Repair diesel engines, transmissions, clutches, brakes, suspension, steering, HVAC, and electrical systems
  • Conduct DOT inspections and ensure compliance
  • Troubleshoot ECMs and emissions systems (DPF, DEF, SCR)
  • Use diagnostic OEM software and tools
  • Complete repair documentation accurately
  • Maintain shop safety and cleanliness
  • Respond to breakdowns as needed

Requirements
  • 5+ years of Class 8 diesel mechanic experience
  • Strong knowledge of diesel engines and heavy-duty truck systems
  • Ability to diagnose electrical and mechanical issues
  • DOT inspection experience (required or preferred)
  • Valid driver's license (CDL preferred, not required)
  • Ability to lift up to 75 lbs
  • Reliable attendance and strong work ethic
Essential Functions:
  • Inspections
    • FMCSA Inspections
    • Bumper-to-Bumper Preventive Maintenance Inspection and Service
    • Maintain Preventive Maintenance Schedule
  • Diagnostics
    • Diagnose all fleet maintenance issues
    • Experience with OEM software for electronic diagnosis
    • Identify source of malfunctions using a variety of testing equipment including electronic testing equipment
    • Identify electrical issues and electronic troubleshooting
    • ABS Service including diagnostics
  • Emissions
    • Diagnose and repair exhaust after treatment systems
  • Repairs
    • Follow policy and procedures designated to routinely repair all fleet-owned equipment
    • Engine Repairs including transmissions and differentials
    • Steering Mechanisms
    • Air Conditioning System Repairs
    • Brake replacement and repair
    • Wheel replacement and repair including bearings
    • Perform routine repair and maintenance to tractor safety systems including collision avoidance and collision mitigation
  • Safety
    • Safety oriented and completes required safety training
    • Keeps work area and shop clean and clutter free
  • Other Routine Duties
    • Monitor inventory and notify shop manager to maintain proper inventory levels
    • Some Fabrication and welding
    • Enter electronic work orders and charge out parts

Preferred Qualifications
  • ASE Diesel Certifications (T2-T8)
  • Experience with Cummins, Detroit, Paccar, Volvo, or Freightliner
  • Emissions and aftertreatment experience
  • Fleet or transportation industry background
  • Welding or fabrication experience

Benefits
  • Competitive hourly pay + minimal overtime
  • Medical insurance with either Health Savings Account (HSA) or Flex Spending Account (FSA) option (Zero cost medical option available)
  • Voluntary vision, dental, life, short/long term disability insurance plan options
  • 401(k) with company match up to 6%, 100% vested from day 1
  • $25,000 company-paid term life insurance with voluntary buy up options
  • Paid time off & paid holidays
  • Company-provided uniforms & PPE
  • 25% retail discount

Work Environment
  • Qualified mechanics must possess their own basic mechanic tools to effectively service class 8 tractors
  • Well-equipped maintenance facility
  • Safety-first culture
  • Stable workload with modern equipment