Best Hydraulic Tanks & Reservoirs for Heavy Equipment Hydraulic Systems (2026)
We compared polyethylene reservoirs by capacity, material durability, user ratings, and value to heavy-equipment hydraulic applications
This roundup covers hydraulic tanks and reservoirs suited for heavy-equipment hydraulic systems, focusing on polyethylene power-unit reservoirs in common capacities. Selections prioritize fit for typical mobile and industrial power units, material durability, and overall value as reflected in ratings and capacity options
Top Picks
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1
6 quart poly power unit reservoir for hydraulic systems
Polyethylene hydraulic fluid reservoir with 6 quart capacity and 7" L x 8" W x 13" H. Suitable for various hydraulic systems and vehicles. Customer note: fits well and quality is appreciated
- polyethylene material
- 6 quart capacity
- universal hydraulic compatibility
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2
5 Quart Poly Power Unit Reservoir for Hydraulic Systems
Polyethylene hydraulic reservoir with 5 quart capacity, compact 7" x 8" x 11.5" dimensions and 4" square bolt style opening. Widely applicable to hydraulic systems and vehicles such as heavy tractors, trucks, RVs, and boats
- 5 quart capacity
- universal hydraulic compatibility
- compact installation footprint
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3
8 quart poly power unit reservoir for hydraulic systems
Polyethylene hydraulic fluid reservoir with 8 quart capacity, suitable for various hydraulic systems and vehicles. customers note fit and quality improvements over originals
- 8 quart capacity
- polyethylene tank
- universal application