Vari-Pak Series Reservoirs

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A Vari-Pak Series reservoir is a variation of the the vertical series reservoirs. This series reservoir has a flat bottom that extends past the reservoir body to serve as the mounting surface of the reservoir. Custom, bolt-on cover configurations are available for mounting the most common system components such as filler breathers and motor adapters.

Standard Features:

  • Reservoir capacities ranging from 2 to 25 gallons
  • Channel gasket installed on reservoirs with capacity <= 5 gallons
  • Flat cover plate gasket utilized on reservoirs with capacities > 5 gallons
  • Cover plates are sold separately, refer to Cover Series 4 for available options
  • Reservoir capacities > 5 gallons have an added 6 inch access cover on side surface
  • Reservoir bottom is flat
  • (1) 1/2 inch NPT drain for reservoir capacities <= 5 gallons (plugged)
  • (1) 3/4 inch NPT drain for reservoir capacities > 5 gallons (plugged)
  • 5 inch GT623 Series sight gage with card thermometer, dual scale 0°F to 220°F and -20°C to 110°C, location varies by reservoir selected
  • Exterior painted with a LDI gray primer
  • Interior coated with rust preventative oil

Sight gage, hardware to mount cover and cover flat gasket (when applicable) provided loose with reservoir

Standard Materials:

  • Carbon steel construction
  • Buna N sight gage seals and access cover gasket
  • Neoprene flat cover plate gasket
  • Molded, transparent nylon sight gage with black powder coated steel guard


  • Reservoirs are not designed for internal positive or negative pressure applications. For these applications, consult the factory.

Temperature Rating

  • Industry accepted design practice for hydraulic systems limits maximum operating temperature to 180° F (82° C), but materials used for fabrication of the reservoirs are capable of operating between -40° and 212° F (-40° and 100° C).

Product Options

Common Modifications Available

  • Unpainted (-UP)
  • Material: Stainless Steel
  • Sight gage with aluminum construction (-AG)

Custom Modifications Available

  • Include standard or custom cover
  • Suction ports, lines and filters
  • Return ports, down pipes and diffusers
  • Containment stands and trays
  • Heaters and level switches
  • Top coat finish
  • Component installation and packaging

Minimum quantities may apply.

Related Products

LDI offers other vertical series reservoirs that vary in construction and available options.

LDI also offers reservoir types other than vertical styles to meet a range of applications.

LDI specializes in custom reservoirs with experience designing and fabricating reservoirs of all shapes and sizes to meet our customers' specific needs.

Our capabilities in fabrications go beyond just reservoirs and sheet metal construction. Custom fabrication of brackets, frames and structures is also part of our business supported by our experience in design and manufacture of related products.




LDI - Corporate  Click for map LDI   Click for map
Precision Machining & Assembly Fabrication & Assembly
1864 Nagle Ave. 12901 Jim Dhamer Dr.
Manitowoc, WI  54220 Huntley, IL  60142
PH: 920.682.6877                         
FAX: 920.684.7210                                    



Our talented team of degreed and professionally certified Engineers, Quality Assurance, Production and Customer Service staff have many years of experience in the industry.  Their attention to detail and ability to collaborate with our clients to solve their problems is reflected in the 50+ years we have been in business.


Customer Service: 

920.682.6877, option 4

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