29 CFR 1910 · General Industry · Subpart N

1910.180(d)(4): Periodic Mobile Crane Inspections

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 Data updated octubre 22, 2026 3 min read

In plain words:

Complete periodic inspections of crawler, locomotive and truck cranes must be done at intervals based on activity, severity of service and environment. They include frequent inspection items plus checks for deformed or cracked members, loose bolts, worn sheaves and parts, brake wear, indicator accuracy, power plants, chain stretch, travel and steering devices, and worn tires.

Key takeaways

  • 1910.180(d)(4) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart N).
  • OSHA cited it 13 times in the last 3 years, in 13 inspections, with $24,028 in current penalties.
  • 2 deaths are linked to inspections that cited this rule.
  • Most citations: IL (2), OR (2), NJ (1).
  • Related part: 1910.180(d) Inspection classification (49 citations).
  • Free 5-minute toolbox talk for your crew below.
13citations, 3 years
$24,028current penalties
13inspections
2linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Related parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1910.180(d)(4) ("Periodic inspection") is one requirement inside 1910.180 Crawler locomotive and truck cranes, an OSHA general industry standard (Part 1910, Subpart N). It includes 10 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.

Official text

(4) Periodic inspection. Complete inspections of the crane shall be performed at intervals as generally defined in paragraph (d)(2)(ii) of this section depending upon its activity, severity of service, and environment, or as specifically indicated below. These inspections shall include the requirements of paragraph (d)(3) of this section and in addition, items such as the following. Any deficiencies such as listed shall be carefully examined and determination made as to whether they constitute a safety hazard: 13 citations

(i) Deformed, cracked, or corroded members in the crane structure and boom.

(ii) Loose bolts or rivets.

(iii) Cracked or worn sheaves and drums.

(iv) Worn, cracked, or distorted parts such as pins, bearings, shafts, gears, rollers and locking devices.

(v) Excessive wear on brake and clutch system parts, linings, pawls, and ratchets.

(vi) Load, boom angle, and other indicators over their full range, for any significant inaccuracies.

(vii) Gasoline, diesel, electric, or other power plants for improper performance or noncompliance with safety requirements.

(viii) Excessive wear of chain-drive sprockets and excessive chain stretch.

(ix) Travel steering, braking, and locking devices, for malfunction.

(x) Excessively worn or damaged tires.

Source: eCFR, text current as of 2026-10-15. Read all of 1910.180.

Injuries linked to this rule

2 deaths are linked to inspections where OSHA cited 1910.180(d)(4).

Employee is caught between counterweight arm and base of pum
2024-09-12 · Fatal · GIDDINGS, TX

At 1:45 p.m. on September 12, 2024, Employee #1, employed by a manufacturing company, was assisting with the assembly of a Mark II Pump Sending Unit. He was standing next to the sending pump unit as a crane moved the Sampson post into place. The…

See all 2 cases

Full case list with employer, penalty, filters and download is part of OSHA Data (Purple Belt).

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Where and how often it was cited

YearCitations
20231
20246
20253
20263

Top states: IL (2), OR (2), NJ (1), MN (1), NY (1)

Largest penalties

EmployerLocationPenalty for this rule
INDUSTRIAL METAL ENTERPRISE, INC.CHICAGO, IL$5,793
Q.T. RENTS, L.L.C.ROCKDALE, IL$5,647
HOLLY BLUFF MARINA, INC.DELAND, FL$3,230
317737974 - PACIFIC WOOD LAMINATES INCBROOKINGS, OR$3,112
J & P SERVICE INCORPORATEDGIDDINGS, TX$2,837

Free toolbox talk

A 5-minute crew talk on 1910.180(d)(4), plus alerts when this rule changes. Free.




OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.180(d)(4).

Related parts of this rule

Get your crew competent

Trainers on Black Belt Safety: Marc Harvey, Dana Reyes

Trainers and suppliers: feature your business on this rule for $25/month.

Frequently asked questions

How often are periodic crane inspections done?

At intervals depending on the crane's activity, severity of service and environment, or as specifically indicated.

What is checked?

Items like deformed or cracked members, loose bolts or rivets, worn sheaves and drums, worn parts, brake and clutch wear, indicators, power plants, chain stretch, travel devices and tires.

What happens when a deficiency is found?

It must be carefully examined to determine whether it is a safety hazard.

About this page

Sources

3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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