2027 Forest River Riverstone42FSKG

The Riverstone 42FSKG leaves Forest River's factory at 19,256 lbs dry, with a published GVWR of 24,000 lbs and 4,744 lbs of cargo capacity between the two. Cargo capacity is 20% of the loaded rating, and Forest River's own definition is worth reading before you plan against it: cargo capacity is what remains for fresh water, gear, food, batteries and every dealer-installed accessory. Fresh water alone is 8.3 lb per gallon, so filling this trailer's 79-gallon fresh tank spends 656 lbs of that 4,744 lbs before anything else is loaded.

Tongue weight is 4,235 lbs, or 22% of the dry weight. Ten to fifteen percent is the conventional band for a bumper-pull trailer, and this plan sits above it as published. Tongue weight is not fixed: it moves with how the trailer is loaded, and weight added ahead of the axles raises it. A weight-distribution hitch is the normal fitment at this tongue load, and the tow vehicle's tongue-weight limit is a separate number from its trailer-weight limit.

Tank capacities are 79 gallons fresh, 100 grey and 50 black, 150 gallons of waste capacity against 79 gallons of supply. The ratio is what governs how long the trailer can sit off hookups: waste capacity exceeds fresh, so the fresh tank is the binding constraint and refilling extends the stay. Forest River publishes these three figures per floorplan, and they are the factory's numbers rather than a segment average.

Against the rest of the Riverstone roster this is the 8th of 10 floorplans by dry weight, in a line that runs from 16,511 lbs to 19,771 lbs. It sits in the heavier third of the line. Comparing floorplans inside one line is more reliable than comparing across brands, because every figure here comes from the same factory channel on the same day.

A useful way to read the pair of weights is to stop planning against the dry figure. Nobody tows a trailer at 19,256 lbs: that is the weight before water, batteries, propane, bedding, food, tools and anything the dealer bolted on. Load half the published cargo capacity, which is modest for a family trip, and this plan is already near 21,628 lbs on the road. Compare that number against the tow vehicle, not the dry weight, and leave margin on top of it - the published GVWR of 24,000 lbs is a limit rather than a target.

Every number above was captured twice from Forest River and checked against itself before it was published. The line listing and the individual floorplan page are two separate factory renderings of the same trailer, and this plan's 4 shared figures agree exactly on both. Dry weight plus cargo capacity also equals the published GVWR exactly, which is the arithmetic check this site runs on every profiled floorplan. Where a figure is missing from this page it is because Forest River does not publish it in this channel, not because it was hard to find - and the row says so rather than being quietly dropped.

Forest River's own description of this floorplan reads: “The Riverstone Series isn’t just about luxury, it’s about convenience. Our toy hauler models allow you to take your favorite hobbies on the road. The cargo area features motion sensor floor lighting and is capable of fitting a lifted golf cart or a tricked-out motorcycle.” That is the factory's marketing copy rather than a specification, and nothing in it is treated as a verified field on this page - layout descriptions, sleeping arrangements and feature claims in factory copy are not carried into the spec table unless the factory also publishes them as specifications.

How the 42FSKG differs from the other nine Riverstone floorplans. Most distinctive first. Each rank counts only the siblings that publish that field, and a figure most of them share is left out. Not every one of these pages covers the same model years as this one (2027); each figure is the one its own page prints, so a rank compares pages, not one model year.

• Exterior height, 13 ft 6 in: tallest of ten; next are the 38BMB, 39RKFB and six others (13 ft 5 in).
• Dry weight, 19,256 lb: third-heaviest of ten, between the 43BFC (18,971 lb) and the 44DBL (19,271 lb).
• Cargo capacity, 4,744 lb: fifth-smallest of ten, between the 44DBL (4,669 lb) and the 43BFC (4,929 lb).
• Cargo capacity as a share of GVWR, 19.8%: fifth-smallest of ten, between the 44DBL (19.5%) and the 43BFC (20.6%).
• GVWR, 24,000 lb: highest of ten, level with the 420RE, 421FK and two others; next is the 44DBL (23,940 lb).
• Length, 44 ft 5 in: shared with the 44DBL; of ten, four shorter and four longer, nearest the 421FK (44 ft) and the 425FO (44 ft 7 in).
• Black tank, 50 gal: shared with the 38BMB, 420RE and 45FLE; of ten, two smaller and four larger, nearest the 421FK and 425FO (40 gal) and the 39RKFB, 442MC and 44DBL (80 gal).
• Grey tank, 100 gal: shared with the 38BMB, 420RE and two others; of ten, three smaller and two larger, nearest the 39RKFB, 425FO and 442MC (80 gal) and the 421FK and 44DBL (120 gal).

Next to the 43BFC (2026 page), the nearest lighter floorplan by dry weight, the 42FSKG is 285 lb heavier by dry weight, has a GVWR 100 lb higher, has 185 lb less cargo capacity, is 5 in shorter, stands 1 in taller and has a black tank 50 gal smaller; the two publish the same fresh tank and grey tank.

Next to the 44DBL (2026 page), the nearest heavier floorplan by dry weight, the 42FSKG is 15 lb lighter by dry weight, has a GVWR 60 lb higher, has 75 lb more cargo capacity, stands 1 in taller, has a grey tank 20 gal smaller and has a black tank 30 gal smaller; the two publish the same length and fresh tank.

Ten 2027 Riverstone floorplans with a full factory record, read from Forest River on 22 Oct 2026. They run 16,121 to 19,771 lb dry on lengths of 39 feet 7 inches to 45 feet 3 inches, with hitch weights of 2,845 to 4,235 lb and cargo capacities of 2,064 to 5,629 lb. Forest River publishes a GVWR for all ten, from 18,950 to 24,000 lb, and dry weight plus cargo capacity equals it exactly on every one.

A full 79-gallon fresh tank is about 656 lb of water (water counts as cargo: 49 CFR 571.120 S10.4.2), 14% of the 42FSKG’s 4,744 lb cargo capacity, leaving 4,088 lb. Across 10 Riverstone floorplans the water share runs 11% to 32%, and 4 give up more than this one. Nearest on that share: Riverstone 43BFC at 13% and Riverstone 44DBL at 14%. Your own unit’s figure is on the label inside its entry door (49 CFR 571.120 S10.4.3).

Closest sibling: the Riverstone 45FLE, nearest on the published figures. It differs on 4 of the 8 fields both publish (this plan first): length 44 ft 5 in vs 44 ft 11 in; dry weight 19,256 lb vs 19,771 lb; cargo capacity 4,744 lb vs 4,229 lb; hitch weight 4,235 lb vs 3,820 lb. They match on GVWR, fresh tank, grey tank and black tank.

Either side of it by GVWR: Riverstone 425FO matches it at 24,000 lb GVWR; Riverstone 45FLE matches it at 24,000 lb GVWR.

All 10 Riverstone floorplans: Riverstone line hub.

Against the 42FSKG: the Momentum 381MS is 500 lb lighter; the Solitude 414LJMJ is 500 lb lighter and 2 ft shorter; the Model G 3950 is 1,000 lb lighter and 1 ft longer.

11 of the 18 fields this catalogue tracks are published for the 42FSKG. Not published: interior height, sleeps, slide count, axle count, tire specification, refrigerator, air conditioning.

Sourcing rules: methodology.