---
title: "SpeedTrucking Inc — Clean Truck Check, El Monte, CA"
description: "SpeedTrucking Inc in El Monte, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, smoke opacity (non-OBD) testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/speedtrucking-inc-el-monte/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# SpeedTrucking Inc

Clean Truck Check tester in El Monte, CA (Los Angeles 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 | 3641 Rockwell Avenue, El Monte, CA 91731 |
| County | Los Angeles County |
| Phone | (626) 852-3356 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks SpeedTrucking Inc 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 | Not listed |

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Byron Marroquin in El Monte, about 1 mile away. [See listing](https://ctcfinder.com/tester/byron-marroquin-el-monte/).

## Clean Truck Check testers in Los Angeles County

SpeedTrucking Inc is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In El Monte itself there are 11 listed businesses, 7 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 SpeedTrucking Inc offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Byron Marroquin](https://ctcfinder.com/tester/byron-marroquin-el-monte/) (about 1 mile).

### Can SpeedTrucking Inc test a 2012 or older diesel truck?

Yes. SpeedTrucking Inc 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 SpeedTrucking Inc charge for a Clean Truck Check?

SpeedTrucking Inc has not published prices with us; call (626) 852-3356 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 SpeedTrucking Inc a CARB-credentialed tester?

SpeedTrucking Inc 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

- **[Byron Marroquin](https://ctcfinder.com/tester/byron-marroquin-el-monte/)** — El Monte, CA 91731 — (626) 378-0342 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Jason Diesel Quick Test](https://ctcfinder.com/tester/jason-diesel-quick-test-el-monte/)** — El Monte, CA 91731 — (626) 780-9519 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Manzur Test Only](https://ctcfinder.com/tester/manzur-test-only-el-monte/)** — 11240 Lower Azusa Rd, El Monte, CA 91731 — (626) 450-5129 — 1 mi. Services: OBD testing, motorhome testing.
- **[Sam Smog](https://ctcfinder.com/tester/sam-smog-el-monte/)** — 11027 lower azusa rd d, El Monte, CA 91731 — (626) 377-6252 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Alex Yu](https://ctcfinder.com/tester/alex-yu-el-monte/)** — El Monte, CA 91732 — (562) 307-4661 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Arturo Basurto](https://ctcfinder.com/tester/arturo-basurto-el-monte/)** — El Monte, CA 91732 — (626) 274-1065 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.