The Style 4 Series DIN type steel reservoir is constructed with a recessed welded top and clean-out access on each end. A baffle positioned front to back with circulation passages divides the reservoir into two chambers.The reservoir has a low profile bottom sloped toward front wall with a drain port exiting out the front. Mounting feet our located outward from the ends. Each reservoir is supplied with a sight gage, filler breather and access covers. Standard Features: Reservoir capacities ranging from 20 to 200 gallons Internal baffle positioned front to back with circulation passages Clean-out access on each end Reservoir bottom sloped toward front Straight thread, SAE dash 12 or dash 16 o-ring drain port - bottom exit Recessed top cover/containment tray Exterior painted with a LDI gray primer Interior coated with rust preventative oil 5 inch front mount GT623 Series sight gauge (less than 100 gallons) 10 inch front mount G1615 Series sight gauge (100 gallon and above) Card thermometer integral to sight gage, dual scale 0° to 220°F and -20° to 110°C graduations 5275 riser for mounting 5201 filler breather Sight gage and filler breather provided loose with reservoir 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). Caution: Reservoirs are not designed for internal positive or negative pressure applications. For these applications, consult the factory.