According to a Google search for a 2004 coachmen cross country 376ds:
Length, 38.6 ft
GCWR: 36,850 lbs
GVWR: 26,850 lbs
UVW: 23,539 lbs
NCC: 3,311 lbs
FRESH WATER: 88.3 GALLONS
LP GAS: 38.4 GALLONS
Didn't find fuel or sewage tanks in the quick search. Call customer service on Monday.
Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.