---
title: "Gastelum Truck and Trailer Repair LLC — Clean Truck Check, Escalon, CA"
description: "Gastelum Truck and Trailer Repair LLC in Escalon, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/gastelum-truck-and-trailer-repair-llc-escalon/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Gastelum Truck and Trailer Repair LLC

Clean Truck Check tester in Escalon, 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 | 22323 State Highway 120, Escalon, CA 95320 |
| County | San Joaquin County |
| Phone | (209) 701-9838 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Gastelum Truck and Trailer Repair LLC 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 San Joaquin County

Gastelum Truck and Trailer Repair LLC 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 Escalon itself there are 10 listed businesses, 10 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 Gastelum Truck and Trailer Repair LLC offer mobile Clean Truck Check testing?

Yes. Gastelum Truck and Trailer Repair LLC 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 Gastelum Truck and Trailer Repair LLC test a 2012 or older diesel truck?

Yes. Gastelum Truck and Trailer Repair LLC 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 Gastelum Truck and Trailer Repair LLC charge for a Clean Truck Check?

Gastelum Truck and Trailer Repair LLC has not published prices with us; call (209) 701-9838 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 Gastelum Truck and Trailer Repair LLC a CARB-credentialed tester?

Gastelum Truck and Trailer Repair LLC 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

- **[Brazil Dairy Transport](https://ctcfinder.com/tester/brazil-dairy-transport-escalon/)** — 11535 S Henry Rd, Escalon, CA 95320 — (209) 985-2410 — 1 mi. Services: mobile testing, OBD testing.
- **[Dillon Dunson](https://ctcfinder.com/tester/dillon-dunson-escalon/)** — Escalon, CA 95320 — (209) 816-0119 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Dimas Sousa](https://ctcfinder.com/tester/dimas-sousa-escalon/)** — Escalon, CA 95320 — (209) 456-2252 — 1 mi. Services: mobile testing, OBD testing.
- **[Elias Rodriguez](https://ctcfinder.com/tester/elias-rodriguez-escalon/)** — Escalon, CA 95320 — (916) 271-1787 — 1 mi. Services: mobile testing, OBD testing.
- **[Hill Truck & Trailer Repair](https://ctcfinder.com/tester/hill-truck-and-trailer-repair-escalon/)** — 22044 Henry Rd, Escalon, CA 95320 — (209) 541-7079 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[J Sanchez Hauling Inc.](https://ctcfinder.com/tester/j-sanchez-hauling-inc-escalon/)** — 9733 Escalon Bellota Rd, Escalon, CA 95320 — (209) 701-8740 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.