About Caterpillar Inc Aurora Illinois

Caterpillar Inc. and Its Illinois Manufacturing Legacy

Caterpillar Inc.—formed through the 1925 merger of Holt Manufacturing Company and C.L. Best Tractor Co.—grew into one of the world’s largest industrial manufacturers, producing:

  • Construction and mining equipment
  • Diesel and natural gas engines
  • Industrial gas turbines
  • Diesel-electric locomotives

The company operated major Illinois facilities in Peoria, Decatur, East Peoria, Joliet, and the broader Chicago metropolitan area, including operations in Aurora—a heavy manufacturing hub approximately 40 miles west of Chicago in Kane and DuPage counties.

Why Asbestos-Containing Materials Were Used at Industrial Plants

From roughly the 1930s through the late 1970s—and in some cases into the 1980s—the Aurora facility and comparable industrial plants reportedly relied on asbestos-containing materials throughout their operations. Plant engineers and procurement managers selected these materials because asbestos fibers:

  • Withstand temperatures exceeding 1,000°F without degrading
  • Resist most industrial chemicals
  • Insulate against electrical current
  • Were inexpensive and widely available before safer alternatives existed

The Aurora facility’s high-temperature furnaces, steam and hydraulic systems, boilers, and electrical systems were all allegedly insulated, wrapped, or protected using asbestos-containing products—reportedly sourced Corporation and during its operational history.

The Regulatory Timeline That Came Too Late

Federal action to restrict asbestos-containing materials arrived long after widespread industrial exposure had already occurred:

  • 1971 — OSHA establishes first permissible exposure limits for asbestos
  • 1972 — OSHA begins requiring airborne asbestos monitoring in workplaces
  • 1976 — Toxic Substances Control Act enacted, giving EPA regulatory authority
  • 1986 — Asbestos Hazard Emergency Response Act signed into law
  • 1989 — EPA attempts near-total ban on asbestos products (partially overturned in 1991)

Workers employed at Aurora before and during these regulatory transitions may have been exposed to asbestos-containing materials without proper warnings, protective equipment, or safety protocols in place.

General Equipment at Caterpillar Inc Aurora Illinois

The equipment below represents the systems and infrastructure documented or typically present at this facility during the era when asbestos-containing materials were specified in industrial construction. This is general facility-equipment reference — not a legal attribution of any specific product, manufacturer, or exposure event to this facility. Material-category and manufacturer information is addressed in the AsbestosIndex Product Crosswalk linked under the records table below.

Industrial Boilers View crosswalk › Process Piping View crosswalk › Pipe Insulation View crosswalk › Block Insulation View crosswalk › Valves View crosswalk › Gaskets View crosswalk › Pumps View crosswalk › Heat Exchangers View crosswalk › Cooling Equipment View crosswalk ›

Documented Asbestos Evidence — Illinois

The records below are verified, state-documented asbestos removals at this facility. Each entry represents a regulated abatement project where the Illinois Environmental Protection Agency (Illinois EPA) was notified under federal NESHAP rules, the work was logged, and the asbestos-containing material was confirmed and removed under regulated conditions. These are not allegations or estimates — they are paper records tying documented asbestos-containing material to this specific site.

No Illinois EPA NESHAP abatement notifications have been identified for this facility in current public records. Per the framing above, absence of state-agency documentation should not be read as absence of asbestos — only as absence of a formal, regulated abatement event meeting reporting thresholds. Workers who recall encountering pipe insulation, block insulation, gaskets, or other asbestos-era construction materials at this facility may still have viable claims regardless of whether a state record exists.

Material Categories in Documented Records

The materials documented above (and similar asbestos-containing materials commonly encountered in records of this type) appear in the AsbestosIndex catalog with historical manufacturer and trust-fund information. Click a category to view manufacturers historically associated with that material:

Thermal System Insulation View crosswalk › Asbestos-Cement Board View crosswalk › Pipe Insulation View crosswalk › Roofing & Flashing View crosswalk › Spray Fireproofing View crosswalk › Floor Tile & Mastic View crosswalk › Ceiling Tile View crosswalk › Gaskets & Packing View crosswalk ›

Who May Have Been Exposed at Caterpillar Inc Aurora Illinois

Insulators and Insulation Workers

Insulators faced among the highest documented exposure risks in any industrial setting. Their work required them to:

  • Wrap pipes, boilers, and furnaces with asbestos-containing pipe and block insulation
  • Apply and remove asbestos-containing insulating cements and adhesives
  • Install and repair asbestos-containing blankets and jacketing on high-temperature systems
  • Strip deteriorated asbestos-containing insulation during plant renovations

Every cut, every trim, every removal of asbestos-containing insulation releases airborne fibers. Insulators were exposed both to materials they handled directly and to fibers released by other trades working in the same space.

Pipefitters and Plumbers

Pipefitters and plumbers at the Aurora facility may have been exposed through:

  • Working with asbestos-containing pipe insulation on steam and hot water lines
  • Handling asbestos-containing gaskets used to seal flanged pipe connections
  • Applying and removing asbestos-containing packing material in valves and pumps
  • Working in confined pipe chases where asbestos-containing insulation had deteriorated

Pipefitter work routinely required disturbing existing insulation to access, repair, or replace pipe sections and fittings. There was no way to do the job without disturbing those materials.

Boilermakers

The Aurora plant’s steam boiler systems were central to facility operations. Boilermakers may have been exposed when:

  • Installing and maintaining boilers allegedly wrapped in asbestos-containing insulation products and similar manufacturers
  • Replacing asbestos-containing refractory cement and gasket materials inside and around boilers
  • Cutting and fitting asbestos-containing rope packing and door gaskets
  • Working in boiler rooms where accumulated asbestos dust from deteriorating insulation was present

Boilermaker work is inherently dusty and routinely occurs in confined or poorly ventilated spaces—conditions that dramatically increase airborne fiber concentration.

Electricians

Asbestos appeared extensively in electrical systems of this era. Electricians at the Aurora facility may have been exposed through:

  • Handling asbestos-containing electrical cloth, wiring insulation, and arc chutes in switchgear
  • Working around panel boards and electrical rooms allegedly containing asbestos-containing products
  • Drilling or cutting through walls and ceiling assemblies that may have contained asbestos-containing materials
  • Working in proximity to other trades actively disturbing asbestos-containing materials

Maintenance Workers and Millwrights

Maintenance workers had broad exposure potential because their duties took them throughout the entire plant. They may have been exposed when:

  • Repairing and replacing asbestos-containing gaskets on machinery and equipment
  • Removing and replacing asbestos-containing floor and ceiling tiles during facility repairs
  • Cleaning accumulated asbestos dust and debris—often without adequate respiratory protection
  • Performing building system work that disturbed asbestos-containing materials

Production Workers and Machinists

Workers who never directly handled asbestos-containing materials were still at risk through bystander exposure. Asbestos fibers released by insulators, boilermakers, pipefitters, and maintenance workers travel across large manufacturing floors, settling on nearby workers who had no idea they were being exposed. Courts have consistently recognized bystander exposure as a valid basis for asbestos claims.

Sheet Metal Workers

Sheet metal workers at the Aurora facility may have been exposed when:

  • Cutting and installing ductwork lined with asbestos-containing insulation materials
  • Working around asbestos-containing duct insulation and fireproofing materials applied to structural steel and building components
Illinois — Filing Deadline & Next Steps

Illinois law gives mesothelioma and asbestos-disease claimants 2 years from the date of medical diagnosis to file a personal-injury lawsuit (735 ILCS 5/13-202). For wrongful-death claims after an asbestos-related death, the filing window is 2 years from the date of death (740 ILCS 180/2). The two deadlines run on separate tracks — preserving one does not extend the other.

The personal-injury clock runs from diagnosis, not from exposure. Mesothelioma latency is typically 20 to 50 years, so workers exposed in the 1950s–1980s are being diagnosed today.

Practical first steps

  1. Document what you remember. Pay stubs, W-2s, union cards, photographs, coworker names, and dates of employment. The WorkChain widget on this page can save a copy you can email yourself.
  2. Preserve medical records. Pathology reports, biopsy results, imaging, and pulmonary-function tests are central to both civil claims and trust-fund filings.
  3. Identify household members. Spouses who laundered work clothing and children of plant workers are eligible for secondary-exposure claims when diagnosed with an asbestos-related disease.
  4. Speak with an asbestos attorney with Illinois experience. The first conversation is free and confidential. Asbestos trust-fund claims and civil claims run on different tracks — both can be pursued in parallel.
Asbestos-Related Diseases — Illinois

Asbestos fiber exposure can cause several specific diseases that typically appear decades after the original exposure. The latency period — the gap between exposure and diagnosis — usually runs 20 to 50 years. That's why workers exposed in the 1960s, 1970s, and 1980s are receiving diagnoses today.

Mesothelioma

A rare, aggressive cancer that affects the lining of the lungs (pleural mesothelioma), abdomen (peritoneal), or heart (pericardial). Mesothelioma is almost exclusively caused by asbestos exposure, which is why a mesothelioma diagnosis often points directly to historical workplace exposure. Average latency from first exposure to diagnosis is 30-50 years.

Asbestosis

A chronic, non-cancerous scarring of lung tissue caused by inhaled asbestos fibers. Asbestosis causes progressive shortness of breath, persistent cough, and reduced lung function. It does not improve with treatment, and it is a recognized basis for a claim under most trust schedules and civil claims.

Lung Cancer

Asbestos exposure significantly increases the risk of lung cancer, particularly when combined with a history of smoking. Asbestos-related lung cancer is compensable under the same trust schedules and civil claim avenues as mesothelioma.

Other Recognized Diseases

Pleural plaques, pleural thickening, laryngeal cancer, ovarian cancer, and certain gastrointestinal cancers are also recognized as asbestos-related under various trust schedules and case-law authorities, though eligibility and proof requirements vary by claim type.

If you have any of these diagnoses and you worked at this facility, lived with someone who did, or were exposed in any documented capacity, you may have a claim worth pursuing. Speak with an attorney before assuming you don't qualify.

Data Sources — Illinois

Information about facility equipment, industrial materials, and occupational records referenced on this page is drawn from publicly available sources where applicable, including:

If specific equipment or product claims in this article are sourced from a non-public database, the source is identified parenthetically within the text above.