---
title: "Bertha Gonzalez — Clean Truck Check, Delano, CA | CTC Finder"
description: "Bertha Gonzalez in Delano, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/bertha-gonzalez-delano/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Bertha Gonzalez

Clean Truck Check tester in Delano, CA (Kern County).

> 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.

| Field | Value |
|---|---|
| Location | Delano, CA 93215 |
| County | Kern County |
| Phone | (661) 586-9130 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Bertha Gonzalez can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Reuchon Transport in Mc Farland, about 8 miles away. [See listing](https://ctcfinder.com/tester/reuchon-transport-mc-farland/).

## Clean Truck Check testers in Kern County

Bertha Gonzalez is one of 107 testing businesses in Kern County on CARB's public tester list. 89 of them offer mobile testing and 53 do smoke opacity tests. In Delano itself there are 6 listed businesses, 6 of them mobile.

## When your truck is due

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/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Bertha Gonzalez offer mobile Clean Truck Check testing?

Yes. Bertha Gonzalez says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can Bertha Gonzalez test a 2012 or older diesel truck?

Bertha Gonzalez does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Reuchon Transport](https://ctcfinder.com/tester/reuchon-transport-mc-farland/) (about 8 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Bertha Gonzalez charge for a Clean Truck Check?

Bertha Gonzalez has not published prices with us; call (661) 586-9130 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is Bertha Gonzalez a CARB-credentialed tester?

Bertha Gonzalez appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[CVM truck and trailer repair](https://ctcfinder.com/tester/cvm-truck-and-trailer-repair-delano/)** — 1230 Lexington St, Delano, CA 93215 — (661) 586-0995 — 1 mi. 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 — 1 mi. Services: mobile testing, OBD testing.
- **[Hronis inc.](https://ctcfinder.com/tester/hronis-inc-delano/)** — 10443 Hronis Rd, Delano, CA 93215 — (661) 586-3221 — 1 mi. 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 — 1 mi. 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 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[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.