NEW from Alu-Cab: RT-4S Rooftop Tent

Our largest, most capable rooftop tent yet.

The Alu-Cab RT-4S is built for families, extended trips, and anyone who refuses to compromise on space or comfort. With a massive 88” x 81” sleeping platform, this is one of the most spacious hard shell rooftop tents available today.

Designed for serious overland travel, the RT-4S combines rugged construction, all-season capability, and integrated power systems into one complete rooftop solution.

If you’re building the ultimate vehicle-based camping setup, this is it.

Why Choose the RT-4S?

True 4-Person Capacity
Massive sleeping footprint for families or those who want extra room to stretch out.
All-Season Comfort
Double-layer blackout canvas, insulated shell, and dedicated heater and A/C ports.
Fully Integrated Power
USB, USB-C, 12V outlets, LED lighting, and solar-ready wiring built in.
Fast, Flexible Setup
Opens to either side with an integrated telescopic ladder in under a minute.
Built for Harsh Environments
Alu-Cab durability designed for long-term overland use, not occasional camping.

RT-4S Features & Benefits

Solar Ready
Pre-wired with Anderson plug for plug-and-play solar integration.

Roof Load Capability

Closed (Static): 440 lbs (200 kg)
Closed (Dynamic): 110 lbs (50 kg)
Open (Static): 66 lbs (30 kg)

Flysheet + Ladder Included
No add-ons required, everything needed comes standard.

Weight

With mattress & ladder: 279 lbs (127 kg)
Without mattress & ladder: 260 lbs (118 kg)

Telescopic Ladder
Integrated support system rated to 330 lbs (150 kg).

Climate Control
Dedicated heater and airflow ports for true four-season use.

Ventilation
Air vent system reduces condensation and improves airflow.

Mounting Options

Alu-Cab Load Bars + Low Profile Feet
Universal mounting brackets for aftermarket bars
Recommended: 3 bars, minimum 55” (1400mm)

Canvas & Storage

Double-layer 280gsm ripstop blackout canvas
12 integrated storage pockets

Power System

2 x USB ports
4 x USB-C ports
2 x 12V auxiliary outlets

Bedding Storage
Light bedding can remain inside when closed.

Interior Lighting
Dual-colour (red/white) LED lighting system.

Skyview Window
Clear PVC skylight for ventilation and stargazing.

Dimensions

Closed: 94.5” x 85.9” (2400mm x 2183mm)
Mattress: 88” x 81” (2235mm x 2050mm)
Weight (Full): 279 lbs (127 kg)
Weight (Shell Only): 260 lbs (118 kg)

Compatibility

Requires large roof surface and sufficient load capacity
Compatible with Alu-Cab 180° and 270° Shadow Awnings
Shower cube not recommended with awning installed

Video Overview

FAQs

Q: Can bedding stay inside?
A: Yes, light bedding can remain stored inside when packed properly.

Q: Is it solar compatible?
A: Yes, the RT-4S is pre-wired for solar with an Anderson connection.

Q: Will my awning work?
A: Compatible with 180° and 270° Shadow Awnings with proper clearance.

Q: Are parts replaceable?
A: Yes, canvas and flysheet components are serviceable.

Q: Is it compatible with backrest or drop-down table?
A: No, these accessories are not supported on the RT-4S.

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