---
title: "Windwalker Transportation — Clean Truck Check, Sioux Falls, SD"
description: "Windwalker Transportation in Sioux Falls, SD is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing…"
url: "https://ctcfinder.com/tester/windwalker-transportation-sioux-falls-sd/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Windwalker Transportation

Clean Truck Check tester in Sioux Falls, SD.

> 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 | Sioux Falls, SD 57104 |
| Phone | (605) 585-3664 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Windwalker 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in South Dakota

Windwalker Transportation is one of 3 testing businesses in South Dakota on CARB's public tester list. 2 of them offer mobile testing and 1 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 Windwalker Transportation offer mobile Clean Truck Check testing?

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

Yes. Windwalker Transportation 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 Windwalker Transportation charge for a Clean Truck Check?

Windwalker Transportation has not published prices with us; call (605) 585-3664 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 Windwalker Transportation a CARB-credentialed tester?

Windwalker 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

- **[Ernest Yurkoits](https://ctcfinder.com/tester/ernest-yurkoits-sioux-falls-sd/)** — Sioux Falls, SD 57104 — (605) 681-6367 — 1 mi. Services: mobile testing, OBD testing.
- **[Dakota Carriers](https://ctcfinder.com/tester/dakota-carriers-sioux-falls-sd/)** — 5105 W Foundation Ct, Sioux Falls, SD 57107 — (605) 214-7534 — 6 mi. Services: OBD testing.
