Statewide pay Government data
Diesel mechanics in Connecticut earn a statewide median of $67,300 a year, 12% above the typical U.S. metro, ranking #12 of 50 states and DC. About 2,860 people work in the trade statewide.
Statewide pay range
States ranked near Connecticut
See all states on the diesel mechanic overview.
Pay by city Government data
BLS publishes diesel mechanic pay for 5 Connecticut metros. The highest-paying is Bridgeport at $75,940, followed by Norwich and New Haven.
| Metro | Median pay | Real pay | Jobs |
|---|---|---|---|
| BridgeportCONNECTICUT · CT | $75,940 | $71,062 | 420 |
| NorwichCONNECTICUT · CT | $66,700 | $66,404 | 190 |
| New HavenCONNECTICUT · CT | $65,140 | $62,300 | 520 |
| HartfordCONNECTICUT · CT | $64,530 | $62,805 | 1,310 |
| WaterburyCONNECTICUT · CT | $63,250 | $63,391 | 220 |
Pay: BLS OEWS, May 2025 (metro-level). Real pay: BEA price parities, 2024. How we calculate
Pay outside the cities Government data
BLS also reports pay for Connecticut's rural (nonmetropolitan) regions.
BLS OEWS nonmetropolitan areas, May 2025.
The job (national)
Diagnose, adjust, repair, or overhaul buses and trucks, or maintain and repair any type of diesel engines. Includes mechanics working primarily with automobile or marine diesel engines.
Nationally, jobs are projected to grow 3.6% from 2025 to 2035, with about 24,400 openings a year. Typical training: long-term on-the-job training.
Nationally, diesel mechanics have 163 injuries or illnesses serious enough to miss work per 10,000 full-time workers, 1.9× the rate for all jobs (87). The most common cause is being struck by or caught in objects and equipment.
What the work is like Government data
How often diesel mechanics deal with each condition, from surveys of workers in the job.
Getting started usually takes medium preparation (vocational training or an apprenticeship, often 1–2+ years).
O*NET 31.0 Work Context and Job Zones (U.S. Department of Labor), national.
Where to train in Connecticut Government data
5 schools in Connecticut offer vehicle maintenance and repair programs below the bachelor's level, 1 of them at public colleges. Many people in this trade learn through an apprenticeship instead; a program can shorten it or get you hired as a helper.
Where published, graduates earned a median of $40,387 in their first year out.
| School | Credential | Yearly cost | Recent grads | First-year pay |
|---|---|---|---|---|
| Lincoln Technical Institute-East Windsor East Windsor, CT · Private for-profit | Certificate | $40,221 | 225 | $40,232 |
| Porter & Chester Institute Bridgeport, CT · Private for-profit | Certificate | $28,576 | 97 | $44,695 |
| Connecticut State Community College New Britain, CT · Public | Associate degree | $17,211 | 26 | — |
| Connecticut State Community College New Britain, CT · Public | Certificate | $17,211 | 20 | — |
| Porter & Chester Institute of Hamden Hamden, CT · Private for-profit | Certificate | $28,442 | 15 | — |
| Lincoln Technical Institute-New Britain New Britain, CT · Private for-profit | Certificate | $42,516 | — | $40,232 |
| Lincoln Technical Institute-New Britain New Britain, CT · Private for-profit | Associate degree | $42,516 | — | $40,542 |
U.S. Department of Education College Scorecard (data updated October 2026). Cost is the school's average yearly cost of attendance before financial aid; earnings are the median for graduates one year after finishing, shown only where the school has enough graduates to publish. “—” means not published.
Licensing in Connecticut Official source
The main state licensing office in Connecticut is the Connecticut Department of Consumer Protection. Licenses trades and registers home improvement contractors. It can point you to the right license for diesel mechanics.
Official Connecticut licensing site ↗
Requirements for diesel mechanics vary by state and sometimes by city; always confirm with the official agency.
Union membership
In 2025, 16.1% of wage and salary workers in Connecticut were union members, above the U.S. rate of about 10% (#5 of 51 states and D.C.), and 17.2% were covered by a union contract. These figures cover all jobs in the state, not only diesel mechanics.
BLS Union Members, 2025 (Current Population Survey), table 5.
Cities in Connecticut
All trades in Connecticut.