---
title: "McM Transportation — Clean Truck Check, Medford, OR"
description: "McM Transportation in Medford, OR is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/mcm-transportation-medford-or/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# McM Transportation

Clean Truck Check tester in Medford, OR.

> 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 | Medford, OR 97501 |
| Phone | (916) 599-5754 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks McM Transportation 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Homeland Fleet Service in Eagle Point, about 18 miles away. [See listing](https://ctcfinder.com/tester/homeland-fleet-service-eagle-point-or/).

## Clean Truck Check testers in Oregon

McM Transportation is one of 25 testing businesses in Oregon on CARB's public tester list. 21 of them offer mobile testing and 6 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 McM Transportation offer mobile Clean Truck Check testing?

Yes. McM Transportation 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 McM Transportation test a 2012 or older diesel truck?

McM Transportation does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Homeland Fleet Service](https://ctcfinder.com/tester/homeland-fleet-service-eagle-point-or/) (about 18 miles). Trucks from 2013 on get an OBD scan instead.

### How much does McM Transportation charge for a Clean Truck Check?

McM Transportation has not published prices with us; call (916) 599-5754 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 McM Transportation a CARB-credentialed tester?

McM Transportation 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

- **[Quality Service and Repair](https://ctcfinder.com/tester/quality-service-and-repair-medford-or/)** — 2054 Lars Way, Medford, OR 97501 — (541) 944-2995 — 1 mi. Services: OBD testing, motorhome testing.
- **[Homeland Fleet Service](https://ctcfinder.com/tester/homeland-fleet-service-eagle-point-or/)** — 125 CRESCENT DR, Eagle Point, OR 97524 — (541) 285-3162 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Homelandfleet Services LLC](https://ctcfinder.com/tester/homelandfleet-services-llc-eagle-point-or/)** — 125 Crescent Dr, Eagle Point, OR 97524 — (888) 860-2195 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[A&J Farms Inc](https://ctcfinder.com/tester/a-and-j-farms-inc-white-city-or/)** — 565 Industrial Cir, White City, OR 97503 — (541) 941-5481 — 22 mi. Services: mobile testing, OBD testing.