---
title: "Velox Clean Truck Certification — Clean Truck Check, Bakersfield, CA"
description: "Velox Clean Truck Certification in Bakersfield, CA is on CARB's Clean Truck Check tester list with 3 credentialed testers. Offers mobile testing, OBD testing…"
url: "https://ctcfinder.com/tester/velox-clean-truck-certification-bakersfield/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Velox Clean Truck Certification

Clean Truck Check tester in Bakersfield, 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 | 4905 Oak Canyon Ct, Bakersfield, CA 93308 |
| County | Kern County |
| Phone | (661) 625-7863 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 3 |
| Last verified | 2026-11-01 |

## Which trucks Velox Clean Truck Certification 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in Kern County

Velox Clean Truck Certification 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 Bakersfield itself there are 78 listed businesses, 63 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 Velox Clean Truck Certification offer mobile Clean Truck Check testing?

Yes. Velox Clean Truck Certification 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 Velox Clean Truck Certification test a 2012 or older diesel truck?

Yes. Velox Clean Truck Certification lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Velox Clean Truck Certification charge for a Clean Truck Check?

Velox Clean Truck Certification has not published prices with us; call (661) 625-7863 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 Velox Clean Truck Certification a CARB-credentialed tester?

Velox Clean Truck Certification appears on CARB's public Clean Truck Check tester list with 3 credentialed testers, 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

- **[Alpine Truck Sales INC](https://ctcfinder.com/tester/alpine-truck-sales-inc-bakersfield/)** — 7156 Golden State Hwy, Bakersfield, CA 93308 — (682) 715-8423 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Bakersfield Truck Center](https://ctcfinder.com/tester/bakersfield-truck-center-bakersfield/)** — 8140 Golden State Hwy, Bakersfield, CA 93308 — (661) 340-8112 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Cal Lowbed Service](https://ctcfinder.com/tester/cal-lowbed-service-bakersfield/)** — 6837 Krebs Rd, Bakersfield, CA 93308 — (559) 300-0182 — 1 mi. Services: mobile testing, OBD testing.
- **[Cheapest InTown Price](https://ctcfinder.com/tester/cheapest-intown-price-bakersfield/)** — Bakersfield, CA 93308 — (661) 348-8708 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Circle M Truck & Heavy Equipment Repair](https://ctcfinder.com/tester/circle-m-truck-and-heavy-equipment-repair-bakersfield/)** — 4233 Foster Ave, Bakersfield, CA 93308 — (661) 610-8212 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Dttr inc](https://ctcfinder.com/tester/dttr-inc-bakersfield/)** — 3610 Gilmore Ave, Bakersfield, CA 93308 — (661) 401-6002 — 1 mi. Services: mobile testing, OBD testing.