Introduction to the Rhino: A Hybrid Armored Vehicle
At the World Defense Show (WDS) in Riyadh, ST Engineering from Singapore unveiled its latest innovation in hybrid propulsion: the Rhino, a 4×4 armored vehicle designed for modern military operations. With a gross vehicle mass of 20,000 kg, the Rhino constitutes the initial product stemming from ST Engineering’s advancements in hybrid systems, and it has already secured a launch customer, although the identity remains undisclosed.
An Overview of Hybrid Propulsion Developments
ST Engineering’s presence at numerous defense exhibitions in recent years has highlighted its commitment to hybrid propulsion technologies. The Rhino represents a pivotal moment in this portfolio, transitioning from concept to a tangible asset currently in low-rate initial production since late 2025.
Technical Specifications and Design Features
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Powertrain and Mobility:
- The Rhino operates using ST Engineering’s Central Drive Hybrid Electric Drive Kit, which combines a diesel engine with two sets of 400 V batteries positioned along the vehicle’s rear compartment.
- This configuration powers two 225 kW electric motors, linked to the axles through a two-speed gearbox, optimizing performance on varied terrains.
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Dimensions & Capacity:
- Length: 7.3 meters
- Width: 2.7 meters
- Height: 2.8 meters (without turret)
- Payload Capacity: 4,500 kg
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Protection and Survivability:
- Equipped with Level 2 protection against ballistic threats and anti-mine measures, enhancing crew safety against explosive devices.
- The monocoque hull design facilitates improved resilience to mine and IED blasts.
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Operational Performance:
- Maximum Speed: 100 km/h
- Operational Range: 780 km at cruising speed
- Silent Mode: Can travel up to 25 km at 50 km/h using battery power for stealth operations.
Innovative Features Enhancing Operational Utility
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Digitized Architecture:
- The Rhino integrates advanced digital technology, including a digital dashboard, a 360° situational awareness system, and digital side mirrors.
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Personnel Configuration:
- Capable of hosting a two-man crew and accommodating ten troops, the vehicle is equipped with energy-absorbing seats and a powered ramp for efficient troop movement.
- It serves multiple roles including personnel carrier, signal station, ambulance, and platform for unmanned aerial systems (UAS).
Unmanned System Integration
A notable innovation includes an integrated UAS launch system, capable of deploying a VTOL mini-UAV from the rear compartment. This system features:
- Modular Configuration:
- Four trays for UAV deployment, allowing rapid recharge of UAV batteries upon landing.
- Multiple configurations including horizontal, vertical, and reloadable options.
Advancement in Manned-Unmanned Teaming (MUM-T)
The Rhino is designed to collaborate with unmanned ground vehicles (UGVs). It features a tow capability for the Taurus 4×4 platform, enabling autonomous missions while minimizing crew exposure to threats. Operators can monitor operations via a centralized display system.
C-UAS Capability
In its configuration geared for counter-unmanned aerial systems (C-UAS), the Rhino is armed with the Adder Twin remotely controlled weapon station. This system can be equipped with various weaponry, enhancing its versatility on the battlefield.
Future Production and Development
While the showcased prototype at WDS illustrates ST Engineering’s comprehensive capabilities, it may not reflect the specific configuration expected by the launch customer. Transition from low-rate initial production to full-scale production is anticipated between late 2026 and early 2027.
Conclusion
ST Engineering’s Hybrid Innovation:
ST Engineering emphasizes the superiority of its Central Drive Hybrid solution for vehicle upgrades, facilitating modifications without the need for suspension overhauls. Ongoing development efforts aim to harness in-hub motors, though challenges remain in terms of amphibious capabilities and managing thermal signatures. The potential benefits of in-hub technology could revolutionize future vehicle designs, but further advancements will require additional time.
The Rhino signifies a pivotal advancement in hybrid military vehicle capabilities, bridging traditional armored strengths with modern technological innovations. As nations invest in hybrid systems, the Rhino positions ST Engineering as a key player in the evolving defense landscape.
