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A member who recently purchased a 2015 Evergreen Amped 28FS toy hauler noticed a major discrepancy between the advertised 174-gallon freshwater tank capacity and the actual amount they could fill—only about 75-80 gallons. Despite consulting both paper and digital manuals, the member could not reconcile the difference and sought input from others with experience on this model.
Several experienced RVers and a moderator weighed in, noting that 174 gallons would be an unusually large and heavy...
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A member who recently purchased a 2015 Evergreen Amped 28FS toy hauler noticed a major discrepancy between the advertised 174-gallon freshwater tank capacity and the actual amount they could fill—only about 75-80 gallons. Despite consulting both paper and digital manuals, the member could not reconcile the difference and sought input from others with experience on this model.
Several experienced RVers and a moderator weighed in, noting that 174 gallons would be an unusually large and heavy water load for a trailer, even with the high payload and GVWR listed. Some speculated about the possibility of an auxiliary tank or a misprint in the literature, with one member suggesting the figure might actually refer to liters, not gallons. Others pointed out that the member’s measured fill amount aligns more closely with typical RV tank sizes, and that misprints in brochures are not uncommon.
Consensus emerged that the 174-gallon figure is likely a misprint, possibly meant to be 174 liters (about 45 gallons), though the member’s actual fill of 75-80 gallons suggests the real capacity is higher than that but far less than advertised. No evidence was found for a hidden auxiliary tank, and the group agreed the documentation is likely incorrect.
