750 Lowboy Datasheets Category:Septic Tanks Use:Residential, Shallow Bury Class:H-10, Old Style Type:Concrete, Septic Tank Size:750 gallon Weight:8,315 lbs Capacity:750 gallons Exterior Dimensions:49” H x 5 ’4” W x 8’ 0” L Invert Out:36 1/2"