---
title: "Smog Axis — Clean Truck Check, Lamont, CA | CTC Finder"
description: "Smog Axis in Lamont, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/smog-axis-lamont/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Smog Axis

Clean Truck Check tester in Lamont, 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 | 10011 Main St Suite B, Lamont, CA 93241 |
| County | Kern County |
| Phone | (661) 378-4413 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Smog Axis 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Advanced Distribution in Bakersfield, about 2 miles away. [See listing](https://ctcfinder.com/tester/advanced-distribution-bakersfield/).

## Clean Truck Check testers in Kern County

Smog Axis 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.

## 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 Smog Axis offer mobile Clean Truck Check testing?

Yes. Smog Axis 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 Smog Axis test a 2012 or older diesel truck?

Smog Axis does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Advanced Distribution](https://ctcfinder.com/tester/advanced-distribution-bakersfield/) (about 2 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Smog Axis charge for a Clean Truck Check?

Smog Axis has not published prices with us; call (661) 378-4413 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 Smog Axis a CARB-credentialed tester?

Smog Axis 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

- **[Advanced Distribution](https://ctcfinder.com/tester/advanced-distribution-bakersfield/)** — Bakersfield, CA 93307 — (661) 496-0780 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Auto Compliance Pros](https://ctcfinder.com/tester/auto-compliance-pros-bakersfield/)** — 4220 Kenny St, Bakersfield, CA 93307 — (661) 549-8706 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Brandons Truck Repair Inc.](https://ctcfinder.com/tester/brandons-truck-repair-inc-bakersfield/)** — 2572 S Union Ave, Bakersfield, CA 93307 — (661) 477-0001 — 2 mi. Services: OBD testing.
- **[Cummins inc](https://ctcfinder.com/tester/cummins-inc-bakersfield/)** — 4601 E Brundage Ln, Bakersfield, CA 93307 — (661) 325-9404 — 2 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Fernando Amezcua](https://ctcfinder.com/tester/fernando-amezcua-bakersfield/)** — Bakersfield, CA 93307 — (213) 595-7952 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gurinder Singh](https://ctcfinder.com/tester/gurinder-singh-bakersfield/)** — Bakersfield, CA 93307 — (661) 487-3564 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.