Style D, L-Shaped Reservoirs

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The Style D, L-Shaped Series provides users with a vertical reservoir and an adjacent platform for mounting system components. The Style D reservoirs can be customized with standard construction options including a bolt-on or welded cover, variable platform lengths, with or without access covers (DIN or stamped) and with base kick plate or containment tray. The reservoir and platform are fully supported by and welded to a skid allowing for most system assemblies to be completed remotely and then transported to another location for drop in installation.

Standard Features:

  • Reservoir capacities ranging from 10 to 200 gallons
  • Channel gasket installed on reservoirs with bolt-on top
  • Mounting hardware is supplied with bolt-on tops
  • Reservoir bottom is flat
  • (1) 3/4 inch NPT drain (plugged)
  • (1) return connection from 1/2 to 2 inch NPT depending on reservoir capacity
  • Platform base plate thicknesses range from 7 Ga to .38 inch
  • 3 inch wide kick plate on front of skid on reservoirs without containment tray
  • Access covers for reservoir capacity <80 gallons: 12 inch dia stamped or cast DIN324, 16 inch dia stamped or cast DIN449 on larger capacity reservoirs
  • Exterior painted with a LDI gray primer
  • Interior coated with rust preventative oil
  • 5 inch back mount G1620 Series sight gage
  • Card thermometer integral to sight gage, dual scale 0° to 220°F and -20° to 110°C graduations
  • 5201 filler breather

Sight gage and filler breather provided loose with shipment

Standard Materials:

  • Carbon steel reservoir
  • Buna N seals
  • Aluminum sight gage
  • Zinc plated fill cap with nylon strainer basket


  • 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 250° F (-40° and 121° C).

Product Options

Common Modifications Available

  • Customer specified extension length
  • Stainless Steel Construction
  • Unpainted (add -UP to part number)

Custom Modifications Available

  • Suction ports, lines, strainers and filters
  • Return ports, down pipes and diffusers
  • Sight gage locations and features
  • Machined mounting plates or blocks
  • Modifications to internal baffle
  • Heaters and level switches
  • Top coat finish
  • Component installation and packaging

Minimum quantities may apply

Related Products

LDI offers other product series with platform and reservoir combinations that are supported with a skid.

LDI also offers product series without integrated skid or adjacent platform to satisfy the requirements of 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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