--- title: "Ricardo Diesel smog — Clean Truck Check, Hanford, CA" description: "Ricardo Diesel smog in Hanford, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers." url: "https://ctcfinder.com/tester/ricardo-diesel-smog-hanford/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Ricardo Diesel smog Clean Truck Check tester in Hanford, CA (Kings 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 | 4062 13 1/4 Ave, Hanford, CA 93230 | | County | Kings County | | Phone | (559) 545-8561 | | Mobile testing | Yes | | OBD testing | Yes | | Smoke opacity (non-OBD) | No | | Motorhomes | No | | Credentialed testers | 1 | | Last verified | 2026-11-01 | ## Which trucks Ricardo Diesel smog 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 Alves & Sons Diesel Repair in Hanford, about 1 mile away. [See listing](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/). ## Clean Truck Check testers in Kings County Ricardo Diesel smog is one of 13 testing businesses in Kings County on CARB's public tester list. 11 of them offer mobile testing and 4 do smoke opacity tests. In Hanford itself there are 7 listed businesses, 5 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 Ricardo Diesel smog offer mobile Clean Truck Check testing? Yes. Ricardo Diesel smog 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 Ricardo Diesel smog test a 2012 or older diesel truck? Ricardo Diesel smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Alves & Sons Diesel Repair](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/) (about 1 mile). Trucks from 2013 on get an OBD scan instead. ### How much does Ricardo Diesel smog charge for a Clean Truck Check? Ricardo Diesel smog has not published prices with us; call (559) 545-8561 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 Ricardo Diesel smog a CARB-credentialed tester? Ricardo Diesel smog 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 - **[Alves & Sons Diesel Repair](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/)** — 11182 9 3/4 Ave, Hanford, CA 93230 — (559) 584-6769 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Alves & Sons Diesel Repair, Inc.](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-inc-hanford/)** — 11182 9 3/4 Ave, Hanford, CA 93230 — (559) 380-5398 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Holloway Construction, Inc.](https://ctcfinder.com/tester/holloway-construction-inc-hanford/)** — 13069 13th Rd W, Hanford, CA 93230 — (559) 772-9060 — 1 mi. Services: OBD testing, motorhome testing. - **[Little Worley's Auto Electric](https://ctcfinder.com/tester/little-worleys-auto-electric-hanford/)** — 351 W 4th St, Hanford, CA 93230 — (559) 589-3755 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ochoa Smog](https://ctcfinder.com/tester/ochoa-smog-hanford/)** — 307 E 4th St, Hanford, CA 93230 — (559) 707-9030 — 1 mi. Services: OBD testing. - **[Valley Wide Clean Truck Check](https://ctcfinder.com/tester/valley-wide-clean-truck-check-hanford/)** — 3384 N Discovery Way, Hanford, CA 93230 — (559) 904-2943 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.