--- title: "Clean Truck Check Testers in Delano, CA (6 listed)" description: "Find 6 CARB-credentialed Clean Truck Check testers in Delano, Kern County: 6 offer mobile testing, 0 do smoke opacity tests. Phone numbers, services and nearby…" url: "https://ctcfinder.com/testers/kern-county/delano/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Delano, CA 6 testing businesses in Delano (Kern County) are on CARB's public Clean Truck Check tester list (6 credentialed testers). 6 offer mobile testing, 0 do smoke opacity tests, 3 test motorhomes. > CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester. ## Testers in Delano - **[Bertha Gonzalez](https://ctcfinder.com/tester/bertha-gonzalez-delano/)** — Delano, CA 93215 — (661) 586-9130. Services: mobile testing, OBD testing. - **[CVM truck and trailer repair](https://ctcfinder.com/tester/cvm-truck-and-trailer-repair-delano/)** — 1230 Lexington St, Delano, CA 93215 — (661) 586-0995. Services: mobile testing, OBD testing, motorhome testing. - **[CVM Truck and Trailer Repair](https://ctcfinder.com/tester/cvm-truck-and-trailer-repair-delano-2/)** — 1230 Lexington Street, Delano, CA 93215 — (661) 370-7911. Services: mobile testing, OBD testing. - **[Hronis inc.](https://ctcfinder.com/tester/hronis-inc-delano/)** — 10443 Hronis Rd, Delano, CA 93215 — (661) 586-3221. Services: mobile testing, OBD testing. - **[Reyes Automotive LLC](https://ctcfinder.com/tester/reyes-automotive-llc-delano/)** — 315 High St, Delano, CA 93215 — (661) 778-5587. Services: mobile testing, OBD testing, motorhome testing. - **[Stop Smog](https://ctcfinder.com/tester/stop-smog-delano/)** — 829 Main St, Delano, CA 93215 — (661) 421-4096. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Reuchon Transport](https://ctcfinder.com/tester/reuchon-transport-mc-farland/)** — 12239 Garzoli Ave, Mc Farland, CA 93250 — (661) 709-0460 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Alcantar Truck and Diesel Services](https://ctcfinder.com/tester/alcantar-truck-and-diesel-services-terra-bella/)** — 25500 Avenue 88, Terra Bella, CA 93270 — (559) 719-0667 — 14 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[J and J diesel repair Inc.](https://ctcfinder.com/tester/j-and-j-diesel-repair-inc-terra-bella/)** — 9031 Road 248, Terra Bella, CA 93270 — (559) 719-7782 — 14 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Mc and sons auto repair and dism](https://ctcfinder.com/tester/mc-and-sons-auto-repair-and-dism-pixley/)** — 2289 N Cedar St, Pixley, CA 93256 — (559) 623-2864 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Sierra Heavy Duty Truck Parts & service](https://ctcfinder.com/tester/sierra-heavy-duty-truck-parts-and-service-pixley/)** — 236 S Market St, Pixley, CA 93256 — (559) 333-1605 — 15 mi. Services: mobile testing, OBD testing. - **[Tester - J&F Diesel Repair](https://ctcfinder.com/tester/tester-j-and-f-diesel-repair-pixley/)** — 10798 Avenue 88, Pixley, CA 93256 — (480) 826-5397 — 15 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Kern Diesel Repair LLC](https://ctcfinder.com/tester/kern-diesel-repair-llc-wasco/)** — 407 Quaking Aspen Ave, Wasco, CA 93280 — (661) 375-5936 — 17 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[L & M Truck and Equipment LLC](https://ctcfinder.com/tester/l-and-m-truck-and-equipment-llc-wasco/)** — 308 Sagebrush Ct, Wasco, CA 93280 — (661) 583-9700 — 17 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. ## Trucking in Delano Kern County, led by Bakersfield, mixes oil-field service, agriculture and long-haul trucking on SR-99, I-5 and SR-58. ## Cost Typical published prices in California: OBD test $50–$135 per vehicle; smoke opacity test $190–$200. Prices are set by each tester. ## Frequently asked questions ### How many Clean Truck Check testers are in Delano? CTC Finder lists 6 testing businesses in Delano from CARB's public tester list (6 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher. ### Is there mobile Clean Truck Check testing in Delano? Yes. 6 listed businesses in Delano offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them. ### How much does a Clean Truck Check test cost in Delano? Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the [cost guide](https://ctcfinder.com/guide/cost/). ### How often does my truck need a Clean Truck Check test? Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). ## Nearby cities - [Pixley](https://ctcfinder.com/testers/tulare-county/pixley/) — 3 listings, 15 mi - [Shafter](https://ctcfinder.com/testers/kern-county/shafter/) — 4 listings, 21 mi - [Porterville](https://ctcfinder.com/testers/tulare-county/porterville/) — 6 listings, 22 mi - [Tulare](https://ctcfinder.com/testers/tulare-county/tulare/) — 10 listings, 29 mi - [Bakersfield](https://ctcfinder.com/testers/kern-county/bakersfield/) — 78 listings, 31 mi