---
title: "First Class Service Trucking — Clean Truck Check, French Camp, CA"
description: "First Class Service Trucking in French Camp, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone…"
url: "https://ctcfinder.com/tester/first-class-service-trucking-french-camp/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# First Class Service Trucking

Clean Truck Check tester in French Camp, CA (San Joaquin 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 | 161 Transportation Ct, French Camp, CA 95231 |
| County | San Joaquin County |
| Phone | (209) 625-5700 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks First Class Service Trucking 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 Leonel Acosta Jaime in French Camp, about 1 mile away. [See listing](https://ctcfinder.com/tester/leonel-acosta-jaime-french-camp/).

## Clean Truck Check testers in San Joaquin County

First Class Service Trucking is one of 124 testing businesses in San Joaquin County on CARB's public tester list. 111 of them offer mobile testing and 53 do smoke opacity tests. In French Camp itself there are 3 listed businesses, 3 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 First Class Service Trucking offer mobile Clean Truck Check testing?

Yes. First Class Service Trucking 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 First Class Service Trucking test a 2012 or older diesel truck?

First Class Service Trucking does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Leonel Acosta Jaime](https://ctcfinder.com/tester/leonel-acosta-jaime-french-camp/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does First Class Service Trucking charge for a Clean Truck Check?

First Class Service Trucking has not published prices with us; call (209) 625-5700 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 First Class Service Trucking a CARB-credentialed tester?

First Class Service Trucking 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

- **[Jose Meneses](https://ctcfinder.com/tester/jose-meneses-french-camp/)** — French Camp, CA 95231 — (209) 640-4682 — 1 mi. Services: mobile testing, OBD testing.
- **[Leonel Acosta Jaime](https://ctcfinder.com/tester/leonel-acosta-jaime-french-camp/)** — French Camp, CA 95231 — (209) 623-5819 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Manvir Bhaura](https://ctcfinder.com/tester/manvir-bhaura-lathrop/)** — Lathrop, CA 95330 — (510) 695-4836 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Priscila Vasquez](https://ctcfinder.com/tester/priscila-vasquez-lathrop/)** — Lathrop, CA 95330 — (650) 315-2445 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Rajinder Singh](https://ctcfinder.com/tester/rajinder-singh-lathrop/)** — Lathrop, CA 95330 — (510) 557-6988 — 4 mi. Services: mobile testing, OBD testing.
- **[Reliable Registration Svcs INC](https://ctcfinder.com/tester/reliable-registration-svcs-inc-lathrop/)** — 97 Darcy Pkwy, Lathrop, CA 95330 — (209) 670-5264 — 4 mi. Services: not listed.