Transformer Oil – 55 Gal Drum

Bear Power Solutions supplies new Type II mineral transformer oil in sealed 55-gallon steel drums for utilities, electrical contractors, transformer service shops, OEMs, and industrial end users. This high-grade naphthenic insulating oil is manufactured to ASTM D3487 specifications and engineered for dielectric strength, thermal stability, and extended service life in liquid-filled transformers, switchgear, reclosers, regulators, and capacitor banks.

The 55-gallon drum is the right size for top-offs, single-unit fills, mobile service trucks, and field repairs where a 275-gallon tote is more product than the job calls for. Each drum ships sealed with a fresh product certificate of analysis — no reclaimed or reprocessed oil, no PCBs. Drums are standard 22.5″ diameter and palletize four to a 48×48 pallet for efficient freight.

Need a different volume? Bear Power Solutions also stocks Type II mineral oil in 275-gallon IBC totes and tanker quantities. For pricing, current stock, or freight quotes, email Quote@bearpowersolutions.com for a same-day response.

Key Features & Specifications

• Product: New Type II inhibited mineral insulating oil [verify inhibited vs. uninhibited for your stock]
• Volume: 55 gallons per sealed steel drum
• Standard: Manufactured to ASTM D3487 Type II
• Base stock: Naphthenic, severely hydrotreated
• Dielectric breakdown: (typical, per ASTM D877)
• PCB content: PCB-free, certified
• Applications: Distribution transformers, pad-mount transformers, power transformers, voltage regulators, reclosers, oil-filled switchgear, capacitors
• Container: Sealed 55-gallon steel drum, palletizable (4 per 48×48 pallet)
• Shipping: Nationwide LTL or FTL; freight quotes available
• Also available: 275-gallon IBC totes, tanker quantities