---
title: "JNA Equipment Services — Clean Truck Check, Bakersfield, CA"
description: "JNA Equipment Services in Bakersfield, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/jna-equipment-services-bakersfield/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# JNA Equipment Services

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 | 4725 Panama Ln Ste D3 #475, Bakersfield, CA 93313 |
| County | Kern County |
| Phone | (661) 491-1411 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks JNA Equipment Services 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

JNA Equipment Services 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 JNA Equipment Services offer mobile Clean Truck Check testing?

Yes. JNA Equipment Services 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 JNA Equipment Services test a 2012 or older diesel truck?

Yes. JNA Equipment Services 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 JNA Equipment Services charge for a Clean Truck Check?

JNA Equipment Services has not published prices with us; call (661) 491-1411 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 JNA Equipment Services a CARB-credentialed tester?

JNA Equipment Services 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

- **[Anmol Vohra](https://ctcfinder.com/tester/anmol-vohra-bakersfield/)** — Bakersfield, CA 93313 — (661) 454-4806 — 1 mi. Services: not listed.
- **[B & B Registration](https://ctcfinder.com/tester/b-and-b-registration-bakersfield/)** — 3400 Panama Ln Ste J, Bakersfield, CA 93313 — (661) 832-5500 — 1 mi. Services: OBD testing.
- **[DOT mobile inspection services](https://ctcfinder.com/tester/dot-mobile-inspection-services-bakersfield/)** — 6111 Martinique Ct, Bakersfield, CA 93313 — (661) 699-2232 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Guru JI Transport INC](https://ctcfinder.com/tester/guru-ji-transport-inc-bakersfield/)** — 5907 Marconi Ave, Bakersfield, CA 93313 — (661) 447-1809 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Jatin Jatin](https://ctcfinder.com/tester/jatin-jatin-bakersfield/)** — Bakersfield, CA 93313 — (616) 323-8890 — 1 mi. Services: mobile testing, OBD testing.
- **[Kaylee Mckibbon](https://ctcfinder.com/tester/kaylee-mckibbon-bakersfield/)** — Bakersfield, CA 93313 — (951) 760-9467 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.