---
title: "Ontime Truck and Trailer LLC — Clean Truck Check, Crestwood, IL"
description: "Ontime Truck and Trailer LLC in Crestwood, IL is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/ontime-truck-and-trailer-llc-crestwood-il/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Ontime Truck and Trailer LLC

Clean Truck Check tester in Crestwood, IL.

> 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 | 3955 135Th Street, Crestwood, IL 60418 |
| Phone | (419) 973-4484 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Ontime Truck and Trailer 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 | 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 Central Truck Repair in Markham, about 4 miles away. [See listing](https://ctcfinder.com/tester/central-truck-repair-markham-il/).

## Clean Truck Check testers in Illinois

Ontime Truck and Trailer LLC is one of 65 testing businesses in Illinois on CARB's public tester list. 44 of them offer mobile testing and 19 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 Ontime Truck and Trailer LLC offer mobile Clean Truck Check testing?

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

Ontime Truck and Trailer LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Central Truck Repair](https://ctcfinder.com/tester/central-truck-repair-markham-il/) (about 4 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Ontime Truck and Trailer LLC charge for a Clean Truck Check?

Ontime Truck and Trailer LLC has not published prices with us; call (419) 973-4484 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 Ontime Truck and Trailer LLC a CARB-credentialed tester?

Ontime Truck and Trailer 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

- **[Central Truck Repair](https://ctcfinder.com/tester/central-truck-repair-markham-il/)** — 2125 West 162Nd Street, Markham, IL 60428 — (914) 512-6179 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Atlas Truck Center](https://ctcfinder.com/tester/atlas-truck-center-harvey-il/)** — 15101 Commercial Ave, Harvey, IL 60426 — (815) 854-8899 — 5 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[FIXSTAR, Rafael](https://ctcfinder.com/tester/fixstar-rafael-bedford-park-il/)** — 7050 S. Archer Rd., Bedford Park, IL 60458 — (773) 491-8713 — 9 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Max Carriers](https://ctcfinder.com/tester/max-carriers-summit-argo-il/)** — 5200 W Lawndale Ave, Summit Argo, IL 60501 — (708) 639-5595 — 10 mi. Services: OBD testing.
- **[Cheetah Repair Services Inc](https://ctcfinder.com/tester/cheetah-repair-services-inc-mokena-il/)** — 11109 W 189th Pl, Mokena, IL 60448 — (331) 444-9282 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Red Mechanic Shop Corp](https://ctcfinder.com/tester/red-mechanic-shop-corp-mokena-il/)** — 8450 W 191st St Ste 14, Mokena, IL 60448 — (779) 707-9777 — 11 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.