Technical Details of the Caterpillar 185-8786 Air Filter

Type & Purpose

• Filter Type: Ultra High Efficiency (UHE) primary engine air filter

• Design Goal: Significantly enhanced filtration and dirt-holding capacity compared to standard filters

Efficiency & Performance

• Efficiency Rating: Ultra High Efficiency

• Lifespan: Engineered to last up to six times longer than a standard filter by rapidly forming a dust cake that enhances filtration

Airflow & Restriction

• Performance Benefit: Offers less airflow restriction and higher air flow, enabling the engine to breathe better—boosting performance and protection

Seal Type

• Seal Configuration: Axial seal—ensures a secure, leak-proof connection to the engine’s air housing without lateral misalignment

Compatibility

• Engine Models Compatible:

  • CG137-12

  • G3516

  • G3520C

  • 3508

  • 3512
    These models span industrial gas and diesel engines used in generator, power generation, and heavy-duty applications

Cross-Reference Option

• Alternative Replacement: HIFI-FILTER SA160110—serves as a comparable aftermarket alternative, though fit and performance should be carefully validated

Physical Attributes (from an Amazon listing)

• Item Weight: Approximately 13.2 pounds

• Package Size: Roughly 11.81 × 11.81 × 7.87 inches