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Largest HQ daily layout.
Black Series
HQ21
Off-road travel trailer with queen bed, convertible lounge, separate private bathroom and shower, indoor and outdoor kitchen systems, solar power, water systems, and Black Series chassis configuration.
4
Sleeps
21ft
Internal Length
7,187lbs
Dry Weight
600W
Solar
Measurements
Internal Height7ft
Internal Length21ft
External Height10ft
External Length26ft
External Width7ft
Dry Weight7,187lbs
Tongue Weight718lbs
GVWR10,000lbs
Interior
Sleeping Configuration1x Queen Bed and Convertible Lounge
En-suite BathroomSeparate private Bathroom and Shower
LoungeDinette with Premium Faux Leather Seating and Adjustable Table Convertible to sleeper
KitchenPropane Stove, Sink, Microwave and Fridge
FlooringWood Vinyl
CabinetryModern 5-Star Timber Finish Veneer; all cabinetry comes equipped with gas strut supports with push open travel-safe locks and soft close drawers
LeatherPremium Leather with a 5-Star Finish
Screen DoorTri-Lock Security Door with locking Fly Screen
Exterior
MaterialsAluminum Composite Panels with added Aluminum Diamond Plating for added strength
Stone Guard / Skid GuardAdds Protection for Bottom Edge of Camper
InsulationSpray Foam R16 Insulation on Full Roof and Walls
RoofOne Piece Aluminum and Roof Hatch with Shade
WindowsEurovision Windows with Fly Screen and Privacy Shades
Awning4m Electrical Awning
StorageLarge Pass-Through Storage; Front Storage for 2x Jerry Cans & 2x Propane Tanks
Prep-TableLockable Fold Down Outdoor Table
Outdoor KitchenStainless Steel Slide Out Sink, Propane Burner Stove and Large Prep-Table
ShowerOutdoor Shower
Appliances / Accessories
Fridge6 cu. ft. Fridge/Freezer
StoveGuardOutdoor and Indoor Propane Stove
RangehoodSlim Twin Fan with Light Range Hood
Microwave6 Gal. Electrical Microwave with Four Operating Features
Furnace16,00 BTU Thermostat Control
Air Conditioning13,500 BTU Rooftop Air Conditioning Unit
Entertainment SystemCD/FM/IPOD/Bluetooth/USB Radio, 2x Interior Speakers, 2x Outdoor Marine Grade Speakers, 24" TV with DVD Function
AntennaHD TV over the air antenna with built in sure-lock
SafetyFire Extinguisher, Smoke Alarm and Propane/CO Detector
Plumbing
ShowerOutdoor Shower & Interior Full Fiberglass Shower
SinkLarge Interior Stainless Steel Sink and Outdoor Stainless Steel Drip Sink
ToiletPorcelain Toilet
Filtered Water11.88 Gal. Triple Filtered System
Fresh Water63.4 Gal. Polyurethane Water Tank with 0.12" Aluminum Bash Cover
Grey WaterNot specified in PDF
Black WaterNot specified in PDF
Hot WaterHot Water System
Electrical
Electrical System12V/110V Electrical System with 2,000 Watts Black Series Pure Sine Wave Inverter with a custom Black Series Camper, Inc. Control Panel.
Battery4x 100AH
Solar4x Roof Mounted 150 Watt Solar Panels
Internal LightingLED Reading Lights in Bedroom and Lounge
External LightingWide Angle Side mounted LED Flood Lights Front & Rear LED Light Bar
PlugsInternal/External 12V USB Plugs
Shore Power30Amps Service
Control PanelBreakers, Digital Gages, & Electrical Power Readout
Chassis
Drawbar / ChassisHot Dipped Galvanized Tubular Steel made from RHS 4"x2", 0.15 Wall Thickness, 0.24" Supporting Plates for extra Strength & Durability
Independent SuspensionControl Arm with Dual Shock Absorbers and Coil Springs
Tires265x75xR16 Off-Road Tires with Two Spare Tires
Wheels16" Alloy Wheels with a Black Powder Coated Finish
Brakes12" Electric Tow Brake with Mechanical Handbrake Breakaway System Include 2x Safety Chains
Connector7 Pin Flat Plug
Anderson Plug50Amp Anderson Plug
HitchBlack Series Camper, Inc. ADR Approved Off-Road Poly Block Hitch
Recovery Hooks2x Rear Facing Recovery Shackles
FLAGSHIP OFF-ROAD TRAILER
01 / EXTERIORBASE MODEL REFERENCE
FLAGSHIP OFF-ROAD TRAILER
The largest HQ cabin.
Built around two.
A 26 ft flagship trailer with a 21 ft interior, fixed queen bed, convertible lounge, private bathroom and full indoor/outdoor living systems.
BEST STARTING POINT FORTwo adults with room for guests
The larger cabin improves circulation, storage and separation while the lounge provides the additional published sleeping places.
SLEEPINGUp to 4
BATHROOMPrivate bathroom
INTERIOR21 ft
COOKINGInside + outside
4Published sleeps
26 ftOverall length
7,187 lbDry weight
10,000 lbGVWR
600 WRoof solar
63.4 galFresh water
Published base-model figures. Dry weight excludes cargo, water and travel supplies. Verify the selected unit and purchase build sheet.
01 / WHO IT FITS
Choose it for the way
you actually travel.
Couples who want the largest conventional HQ living space and room for occasional guests.
Convertible lounge adds capacity.
Privacy for longer stays.
Full-size HQ food capacity.
Check payload and tongue weight.
Current PDF omits capacities.
FLAGSHIP FOR TWO
Space around
the everyday routine.
The fixed queen, private bathroom and 21 ft interior create the most open conventional HQ layout.
- 21 ft cabin
- Private bathroom
- Dedicated queen bed
Think about: The larger body raises tow-vehicle and campsite requirements.
THE STANDARD HQ FLAGSHIP
More aisle.
More separation.
HQ21 is the largest conventional HQ layout. The value is cabin volume, a private bathroom and a lounge that can host guests while the main queen bed remains dedicated.
21 ftInterior length
4Published sleeps
400 AhBattery bank
02 / LIFE INSIDE
Every zone
earns its space.
Queen bed + convertible lounge. Separate private bathroom and shower.
WHAT MATTERS INSIDE
21 ft cabinLargest conventional HQ
Private bathSeparate shower
6 cu ft fridgeExtended food storage
400 AhListed battery bank
INTERACTIVE FLOOR PLAN
Bedroom
Fixed queen bed
Queen bed + convertible lounge. Review the published plan and confirm dimensions on the selected unit.
Fixed queen bed21 ft interior
Floor plans and finishes can change by production year and package.
INTERIOR / MODEL-SPECIFIC REFERENCE
COMFORT SYSTEMS
Live inside.
Cook outside too.
Indoor and slide-out outdoor propane kitchens. The listed 6 cu ft fridge, 16,000 BTU furnace and 13,500 BTU rooftop air conditioner define the everyday comfort envelope.
6cu ft fridge / freezer
2Cooking locations
4 m electricAwning
13,500BTU air conditioning
03 / OFF-GRID SYSTEMS
Know what supports
your stay.
Capacity helps only when matched to weather, group size, appliance load and water habits.
POWER ARCHITECTURE
600 W solar.
400 Ah / 4 × 100 Ah.
The listed system combines roof solar, onboard batteries and a pure sine inverter. Runtime depends on battery chemistry, sunlight and loads.
01 / COLLECT600 WRoof solar
→02 / STORE400 Ah / 4 × 100 AhListed battery bank
→03 / CONVERT2,000 WPure sine inverter
30 AShore power12 V / 110 VElectrical system12 V + USBDevice outlets
BUILT FOR THE ROAD BEYOND
The structure
under the finish.
START WITH THE NUMBERS
Match the vehicle
to the loaded trailer.
Published dry weight7,187 lb
GVWR / maximum loaded rating10,000 lb
Published tongue weight718 lb
04 / COMPLETE SPECIFICATION
Every decision point.
Easy to search.
Base-model information checked against current Black Series pages. Options and production updates can change equipment.
01Measurements & weights8 details
Interior height7 ft
Published cabin height.
Interior length21 ft
Useable published cabin length.
Exterior height10 ft
Confirm roof equipment and clearance.
Overall length26 ft
Use for storage and campsite planning.
Exterior width7 ft
Check routes and storage openings.
Dry weight7,187 lb
Before cargo, water and travel supplies.
Tongue weight718 lb
Measure again when fully loaded.
GVWR10,000 lb
Maximum loaded trailer rating.
02Sleeping & interior8 details
Published capacityUp to 4 people
Comfort depends on bed dimensions and traveler size.
Sleeping layoutQueen bed + convertible lounge
Confirm every sleeping surface.
BathroomSeparate private bathroom and shower
Verify the selected production unit.
LoungeConvertible faux-leather dinette
Daily seating and conversion function.
Interior kitchenPropane stove, sink, microwave and fridge
Core meal preparation inside.
CabinetryTimber or model-specific veneer; soft-close drawers
Gas struts and travel-safe locks.
FlooringWood-look vinyl
Practical travel finish.
EntryScreened security door
Ventilation and insect screening.
03Kitchen & comfort9 details
Fridge / freezer6 cu ft
Plan food storage around actual capacity.
CookingIndoor and slide-out outdoor propane kitchens
Two cooking locations.
Outdoor kitchenSlide-out sink, burner and prep table
Campsite meal preparation.
Range hoodSlim twin-fan hood + light
Task light and ventilation.
MicrowaveElectrical microwave
Confirm shore/inverter requirements.
Furnace16,000 BTU
Thermostat controlled.
Air conditioning13,500 BTU
Confirm power requirements off grid.
Entertainment24 in TV + multi-source audio
Model equipment can vary.
SafetyFire extinguisher, smoke alarm and propane/CO detector
Inspect and maintain every device.
04Water & bathroom8 details
Fresh water63.4 gal
Protected onboard tank.
Filtered water11.88 gal
Separate drinking-water supply.
Grey waterNot specified in current PDF
Confirm the selected build sheet.
Black waterNot specified in current PDF
Confirm the selected build sheet.
Hot waterHot-water system
Confirm fitted heater.
Interior bathroomPrivate bathroom
Review layout before ordering.
Outdoor showerExterior connection
Useful for gear and shoes.
ToiletPorcelain or model-specific RV toilet
Confirm fitted unit.
05Electrical & solar9 details
Electrical system12 V / 110 V
Control panel with power readout.
Solar array600 W / 4 × 150 W
Roof-mounted array.
Battery bank400 Ah / 4 × 100 Ah
Nominal published capacity.
Inverter2,000 W pure sine wave
Check continuous and startup loads.
Shore power30 A
Campground connection.
Tow charging50 A Anderson plug
Verify tow-vehicle installation.
Device outletsInterior / exterior 12 V + USB
For compatible devices.
Interior lightingLED reading lights
Bedroom and living zones.
Exterior lightingFlood lights + light bars
Campsite and work lighting.
06Chassis & running gear9 details
ChassisHot-dip galvanized tubular steel
Structural trailer foundation.
SuspensionIndependent control arms, coil springs and dual shocks
Independent wheel movement.
Tires265/75R16
Check pressure, condition and load rating.
Wheels16 in alloy
Confirm current build.
Spare tires2
Published spare count.
Brakes12 in electric
Mechanical handbrake and breakaway system.
Connector7-pin flat plug
Confirm vehicle compatibility.
HitchADR-approved off-road poly-block
Articulating off-road coupling.
Rear fittings2 recovery shackles
Use only under manufacturer procedures.
07Exterior & construction8 details
BodyAluminum composite panels + diamond plate
Exterior shell and lower protection.
Stone / skid guardAdded lower protection
Protects vulnerable areas.
InsulationR16 roof and wall insulation
Manufacturer-listed insulation.
RoofOne-piece aluminum with roof hatch
Confirm fitted roof equipment.
WindowsFly screens + privacy shades
Ventilation and privacy.
Awning4 m electric
Deploy only in suitable conditions.
StoragePass-through + front storage
For tanks, cans and camp gear.
Exterior tableLockable fold-down table
Extra preparation surface.
No matching specifications.
Checked September 29, 2026. Where official pages conflict or omit a figure, the page says to verify the selected unit and purchase build sheet.
Open official HQ21 PDF ↗FLAGSHIP OFF-ROAD TRAILER
Choose the layout
that solves your real trip.
Couples who want the largest conventional HQ living space and room for occasional guests. Match the trailer to the tow vehicle and verify the final build before ordering.
