2026 Forest River Viking18BH

The Viking 18BH has 609 lbs of cargo capacity between 3,479 lbs dry and its 4,088 lbs GVWR, 15% of that rating; filling its 40-gallon fresh tank at 8.3 lb a gallon uses 332 lbs of it (how to read trailer weights).

Tongue weight is 445 lbs, 13% of the dry weight as published; it rises as the trailer is loaded and counts against the tow vehicle’s tongue-weight and payload limits (tongue weight by size).

Off hookups: 64 gallons of grey and black capacity against 40 gallons of fresh water, so fresh water runs out first (tank sizes by length).

Against the rest of the Viking roster this is the 6th of 16 floorplans by dry weight, in a line that runs from 2,499 lbs to 8,052 lbs. It sits in the middle of the line by weight.

Plan the tow on loaded weight, not the 3,479 lbs dry figure: half the published cargo capacity brings this plan to about 3,783 lbs, and the published GVWR of 4,088 lbs is the limit (how to read trailer weights).

Forest River’s line listing and this floorplan’s own factory page agree on all 4 shared figures. Dry weight plus cargo capacity equals the published GVWR exactly. A missing row means Forest River does not publish that figure (how figures are verified).

Forest River publishes no floorplan description for this plan in the channel this page is built from - only the numeric specification block. Rather than describe a layout from the floorplan code, which would be a guess dressed as a fact, this page carries what the factory publishes and says where it stops. 18BH is a Viking designation and this site does not decode it into a layout claim.

How the 18BH differs from the other fifteen Viking floorplans. Most distinctive first. Sibling pages may cover other model years than this one (2026). How these ranks are worked out.

• Cargo capacity, 609 lb: smallest of sixteen; next is the 17FQ (766 lb).
• Cargo capacity as a share of GVWR, 14.9%: smallest of sixteen; next is the 18DBS (16.3%).
• Dry weight, 3,479 lb: sixth-lightest of sixteen, between the 17FQ (3,084 lb) and the 18DBS (4,114 lb).
• GVWR, 4,088 lb: sixth-lowest of sixteen, between the 12BH and 12RD (3,968 lb) and the 18DBS (4,915 lb).
• Tongue weight, 445 lb: sixth-lightest of sixteen, between the 16FB (375 lb) and the 26BH (450 lb).
• Tongue weight as a share of dry weight, 12.8%: shared with the 12RD; of sixteen, nine smaller and five larger, nearest the 16FB (12.7%) and the 282DORM (12.9%).
• Length, 23 ft: shared with the 18DBS; of sixteen, five shorter and nine longer, nearest the 17BH and 17FQ (20 ft 5 in) and the 22BHSR (26 ft).
• Exterior height, 10 ft: lowest of sixteen, level with the 12BH, 12RD and four others; next is the 25TH (10 ft 7 in).
• Grey tank, 32 gal: shared with the 22BHSR, 242MK and 26BH; of sixteen, three smaller and nine larger, nearest the 17BH and 17FQ (27 gal) and the 12BH, 12RD and two others (37 gal).
• Fresh tank, 40 gal: largest of sixteen, level with the 22BHSR, 242MK and five others; next is the 18DBS (39 gal).

Next to the 17FQ, the nearest lighter floorplan by dry weight, the 18BH is 395 lb heavier by dry weight, has a GVWR 238 lb higher, has 157 lb less cargo capacity, has a tongue weight 115 lb heavier, is 2 ft 7 in longer, has a fresh tank 13 gal larger, has a grey tank 5 gal larger and has a black tank 5 gal larger; the two publish the same exterior height.

Next to the 18DBS, the nearest heavier floorplan by dry weight, the 18BH is 635 lb lighter by dry weight, has a GVWR 827 lb lower, has 192 lb less cargo capacity, has a tongue weight 70 lb lighter, has a fresh tank 1 gal larger and has a grey tank 5 gal smaller; the two publish the same length, exterior height and black tank.

Viking is organised by weight rather than by layout, and the factory names the groupings accordingly: 3K, 4K, 5K and 6K Series. That makes it the most readable roster in this group for anyone shopping to a tow limit, because the series name is the weight class. Eighteen floorplans run 2,499 to 7,208 lb dry on lengths of 16 feet to 36 feet 8 inches, with tongue weights of 325 to 930 lb.

A full 40-gallon fresh tank is about 332 lb of water (water counts as cargo: 49 CFR 571.110 S9.3.2), 55% of the 18BH’s 609 lb cargo capacity, leaving 277 lb. Across 16 Viking floorplans the water share runs 11% to 55%, and this plan’s is the highest. Nearest on that share: Viking 18DBS at 40%. Your own unit’s figure is on the label inside its entry door (49 CFR 571.110 S9.3.3).