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ELD24K IOSIX ELD
ELD24K (ELD ID TMX121) is on FMCSA's registered ELD list dated Oct 24, 2026. Source: FMCSA ELD list.
- ELD IDTMX121
Made by Cromton Systems, Corp · ELD ID TMX121 · model IOSIX ELD · version V 1.0
- On FMCSA's list
- Registered
- FMCSA list dated
- Oct 24, 2026
Registered on FMCSA's list dated Oct 24, 2026. Check that the ELD ID on your screen is TMX121 and your app is on version V 1.0. FMCSA can revoke a device without advance notice, so look it up again if you hear about a removal.
Source: FMCSA registered ELD list, dated Oct 24, 2026, last compared with FMCSA Oct 25, 2026.
Watching for changes? The RSS feed adds an item for each device that lands on FMCSA's revoked list.
Device details on FMCSA's list
- Unit at the diagnostic portModel on FMCSA's list: “IOSIX ELD” (IOSiX hardware)
| Device name | ELD24K |
|---|---|
| ELD ID | TMX121 |
| Model | IOSIX ELD |
| Software version | V 1.0 |
| Company on the list | Cromton Systems, Corp |
| Data transfer | not listed |
| Provider website | cromptonsystems.com (as listed by FMCSA) |
| User manual | Manual on FMCSA's site |
Source: FMCSA ELD list, dated Oct 24, 2026. FMCSA notes that providers self-certify their devices; FMCSA publishes no registration date.
Other Cromton Systems, Corp devices
- ELD24K (TMX121)Registered
Questions
Is ELD24K FMCSA approved?
FMCSA doesn't approve ELDs: makers self-certify them, and FMCSA lists them as registered. ELD24K (ELD ID TMX121) is on FMCSA's registered ELD list dated Oct 24, 2026, the list 49 CFR 395.22(a) says carriers must pick from.
How do I tell if my ELD is this ELD24K?
Match the ELD ID on your screen to TMX121 and check that your app is on version V 1.0. FMCSA lists each model and software version separately, and one maker can have one version registered and another revoked.
What happens if FMCSA revokes ELD24K?
FMCSA's revocation notices say "Motor carriers have up to 60 days to replace the revoked ELDs with a compliant ELD." Drivers still using it on or after the date in the notice are put out of service. FMCSA doesn't announce investigations before a removal, so look the device up again when you hear about one.