01 What makes it unique
Coachmen lists the 2025 Chaparral 393MBX at 13,080 lb dry, a GVWR of 15,500 lb, a net carrying capacity of 2,420 lb and a pin weight of 2,498 lb. Its dry weight plus its carrying capacity comes to exactly its GVWR.
It is 42' 6" long and 13' high. Coachmen prints its tanks as 48 gal fresh, 85 gal grey, 45 gal black.
Among the 19 Chaparral floorplans Coachmen’s 2025 fifth-wheel brochure lists with a published dry weight, it is number 19 from the lightest, in a range from 6,950 lb (Chaparral Lite 235RK) to 13,080 lb (Chaparral 393MBX). Every figure in that comparison is Coachmen’s, for the same model year.
Every number on this page was read on 5 Nov 2026 from Coachmen’s 2025 fifth-wheel brochure, the maker’s own dated document for model year 2025.
How the 393MBX differs from the other eighteen Chaparral floorplans. Most distinctive first. How these ranks are worked out.
- Dry weight, 13,080 lb: heaviest of nineteen; next is the 373MBRB (13,031 lb).
- Pin weight, 2,498 lb: second-heaviest of nineteen, between the 389DEK (2,320 lb) and the 334FL (2,708 lb).
- Cargo capacity as a share of GVWR, 15.6%: fourth-smallest of eighteen, between the 375BAF (14.3%) and the 381DBL (16%).
- Pin weight as a share of dry weight, 19.1%: fourth-largest of nineteen, between the 254RLS (18.5%) and the 368TBH (20%).
- GVWR, 15,500 lb: highest of nineteen, level with the 367BH; next are the 334FL and 373MBRB (15,000 lb).
- Cargo capacity, 2,420 lb: tenth-smallest of nineteen, between the 381DBL (2,314 lb) and the 298RLS (2,425 lb).
- Length, 42 ft 6 in: shared with the 334FL, 367BH and three others; of nineteen, twelve shorter and one longer, nearest the 389DEK (42 ft 4 in) and the 355FBX (42 ft 7 in).
- Exterior height, 13 ft: tallest of nineteen, level with the 334FL, 355FBX and five others; next are the 298RLS, 336TSIK and 360IBL (12 ft 10 in).
- Grey tank, 85 gal: shared with the 334FL; of nineteen, seven smaller and ten larger, nearest the 235RK, 274BH and three others (66 gal) and the 298RLS, 336TSIK and 360IBL (90 gal).
- Black tank, 45 gal: shared with the 298RLS, 334FL and three others; of nineteen, seven smaller and six larger, nearest the 235RK, 254RLS and five others (33 gal) and the 368TBH (66 gal).
Next to the 373MBRB, the nearest lighter floorplan by dry weight, the 393MBX is 49 lb heavier by dry weight, has a GVWR 500 lb higher, has 451 lb more cargo capacity, has a pin weight 279 lb heavier, has a grey tank 35 gal smaller and has a black tank 30 gal smaller; the two publish the same length, exterior height and fresh tank.
02 Full specifications
Dimensions
- Exterior length
- 42' 6"
- Exterior height
- 13'
- Exterior width
- Not published by Coachmen
- Interior height
- Printed in the brochure, not transcribed here
Weights
- Dry / unit base weight (UVW)
- 13,080 lb
- GVWR (max loaded)
- 15,500 lb
- Net cargo / payload (CCC)
- 2,420 lb
- Hitch / pin weight
- 2,498 lb
Capacities
- Fresh water
- 48 gal
- Grey water
- 85 gal
- Black water
- 45 gal
Running gear
- Hitch type
- Fifth wheel (pin box)
- Tire size
- 16" G
Sleeping & layout
- Sleeps
- Not published by Coachmen
- Awning
- 20'
- Wheel size
- 16"
How these published figures sit against the rest of the catalogue: fifth wheel pin weight and payload; fresh, grey and black tank sizes; camper trailer size chart.
Drawn to scale
Weight budget
Size (no width published)
Holding tanks
Axles, wheels and nose shape are schematic; not a floorplan. Data: dataset.
Towing it
Check your vehicle. Enter the ratings from your owner’s manual and the door-pillar placard.
Compares your figures with this page’s published GVWR (15,500 lb) and the upper loaded pin estimate (3,875 lb, a rule of thumb). Your vehicle’s placard and the trailer’s own weight label govern.
Loaded range: 15–25% of GVWR on the pin, a rule of thumb, not a measurement of this unit. No truck ratings or hitch classes (why; NHTSA, DOT HS 809 433). The range starts at the published figure, because loaded is never lighter than that.
03 The Chaparral floorplan family
Coachmen’s 2025 fifth-wheel brochure lists 19 Chaparral floorplans; every one with a printed weight has a page here.
| Floorplan | Nominal | Sleeps | Notable |
|---|---|---|---|
| Chaparral Lite 235RK | 27' 3\" | — | Profiled |
| Chaparral Lite 25RE | 29' 10\" | — | Profiled |
| Chaparral Lite 254RLS | 30' 9\" | — | Profiled |
| Chaparral Lite 274BH | 35' 11\" | — | Profiled |
| Chaparral Lite 284RL | 34' 2\" | — | Profiled |
| Chaparral Lite 30RLS | 34' 2\" | — | Profiled |
| Chaparral Lite 30BHS | 37' | — | Profiled |
| Chaparral 298RLS | 34' 8\" | — | Profiled |
| Chaparral Lite 368TBH | 42' | — | Profiled |
| Chaparral 336TSIK | 37' | — | Profiled |
| Chaparral 360IBL | 39' 9\" | — | Profiled |
| Chaparral 355FBX | 42' 7\" | — | Profiled |
| Chaparral 381DBL | 42' 6\" | — | Profiled |
| Chaparral 367BH | 42' 6\" | — | Profiled |
| Chaparral 334FL | 42' 6\" | — | Profiled |
| Chaparral 375BAF | 42' 6\" | — | Profiled |
| Chaparral 389DEK | 42' 4\" | — | Profiled |
| Chaparral 373MBRB | 42' 6\" | — | Profiled |
| Chaparral 393MBX | 42' 6\" | — | Profiled |
Coachmen’s 2025 fifth-wheel brochure lists 19 Chaparral floorplans. Every one with a printed weight has a page here.
04 Notes on this floorplan
What Coachmen does not publish for the Chaparral 393MBX
Coachmen prints no sleeping capacity for this model, so none is given. Nothing is filled from a sibling model, a different model year or a dealer listing.
Read the label on the trailer
Federal rules put a load-carrying label inside every RV trailer: its unloaded weight with full propane, its cargo carrying capacity and its GVWR (49 CFR 571.110 and 571.120). Those figures come from the trailer itself and govern the towing decision.
05 How it compares
13,031 lb dry and 15,000 lb GVWR, against this model’s 13,080 lb and 15,500 lb.
06 Loading it for a trip
A full 48-gallon fresh tank is about 398 lb of water (water counts as cargo: 49 CFR 571.120 S10.4.2), 16% of the Chaparral 393MBX’s 2,420 lb cargo capacity, leaving 2,022 lb. Across 19 Chaparral floorplans the water share runs 13% to 22%, and 6 give up more than this one. Nearest on that share: Chaparral Lite 30RLS at 16% and Chaparral Lite 30BHS at 17%. Your own unit’s figure is on the label inside its entry door (49 CFR 571.120 S10.4.3).
07 Where this floorplan sits
Closest sibling: the Chaparral 334FL, nearest on the published figures. It differs on 4 of the 8 fields both publish (this plan first): dry weight 13,080 lb vs 12,400 lb; GVWR 15,500 lb vs 15,000 lb; cargo capacity 2,420 lb vs 2,600 lb; hitch weight 2,498 lb vs 2,708 lb. They match on length, fresh tank, grey tank and black tank.
| Chaparral plans | This plan | Position, low to high | Range |
|---|---|---|---|
| GVWR (lb) | 15,500 | 18–19 of 19 | 8,900–15,500 |
| Dry weight (lb) | 13,080 | 19 of 19 | 6,950–13,080 |
| Cargo capacity (lb) | 2,420 | 10 of 19 | 1,779–3,172 |
| Hitch weight (lb) | 2,498 | 18 of 19 | 1,115–2,708 |
| Length | 42 ft 6 in | 13–18 of 19 | 27 ft 3 in–42 ft 7 in |
| Fresh tank (gal) | 48 | 9–19 of 19 | 40–48 |
| Grey tank (gal) | 85 | 8–9 of 19 | 33–135 |
| Black tank (gal) | 45 | 8–13 of 19 | 33–90 |
Either side of it by GVWR: Chaparral 367BH matches it at 15,500 lb GVWR.
| Nearest Chaparral siblings | Length | Sleeps | Dry (lb) | GVWR (lb) | CCC (lb) | Hitch (lb) | Fresh (gal) |
|---|---|---|---|---|---|---|---|
| Chaparral 393MBX | 42 ft 6 in | — | 13,080 | 15,500 | 2,420 | 2,498 | 48 |
| Chaparral 334FL | 42 ft 6 in | — | 12,400 | 15,000 | 2,600 | 2,708 | 48 |
| Chaparral 360IBL | 39 ft 9 in | — | 11,450 | 14,000 | 2,550 | 2,100 | 48 |
| Chaparral 389DEK | 42 ft 4 in | — | 12,721 | 14,500 | 1,779 | 2,320 | 48 |
| Chaparral 336TSIK | 37 ft 0 in | — | 10,520 | 13,500 | 2,980 | 1,880 | 48 |
| Chaparral 298RLS | 34 ft 8 in | — | 9,575 | 12,000 | 2,425 | 1,935 | 48 |
All 19 Chaparral floorplans: Chaparral line hub.
| Other lines, nearest by GVWR | GVWR (lb) | Dry (lb) | Sleeps | Length |
|---|---|---|---|---|
| Chaparral 393MBX | 15,500 | 13,080 | — | 42 ft 6 in |
| Brookstone 374RK | 15,500 | 13,020 | — | 42 ft 2 in |
| ElkRidge 37RED | 15,500 | 11,848 | 6 | 41 ft 7 in |
| Mesa Ridge 371MBH | 15,500 | 12,665 | — | 42 ft 5 in |
| Shasta Phoenix 367BH | 15,500 | 12,328 | — | 42 ft 6 in |
| Sandpiper 3710HBFB | 15,500 | 12,649 | 7 | 42 ft 9 in |
| Sierra 3710HBFB | 15,500 | 12,649 | — | 42 ft 9 in |
08 Common questions about the Chaparral 393MBX
How much does the Chaparral 393MBX weigh?
13,080 lb dry; 15,500 lb GVWR, the most it may weigh loaded.
How much can the Chaparral 393MBX carry?
2,420 lb, 16% of its GVWR (median across 334 fifth wheels here: 18%). A full fresh tank uses 398 lb of it.
What is the pin weight of the Chaparral 393MBX?
2,498 lb as published, 19% of the dry weight (median across 540 fifth wheels here: 19%).
What size tow vehicle does the Chaparral 393MBX need?
A tow rating of at least 15,500 lb, plus payload for the loaded pin weight, passengers and cargo.
What are the tank capacities on the Chaparral 393MBX?
Fresh 48, grey 85, black 45 gallons. Off hookups, fresh water runs out first.
How long is the Chaparral 393MBX?
42' 6" overall, tongue or pin box included.
From the figures above.
09 What this page publishes, and what it does not
10 of the 18 fields this catalogue tracks are published for the Chaparral 393MBX. Not published: exterior width, interior height, sleeps, slide count, axle count, refrigerator, air conditioning, tire size (a description is published, a size is not).
Sourcing rules: methodology.
10 Manuals & documents
Sources: forestriverinc.com, library.rvusa.com (linked below); the full source note is at the foot of the page.