China's SH16A 155mm self-propelled howitzer sets new standards with laser ignition system.

At the 15th China Air Show, the Chinese state-owned company Norinco officially presented the new SH16A 155mm wheeled self-propelled howitzer, based on the VN-22 8×8 chassis. This system is described as an evolution of China's artillery capabilities, designed to replace earlier models, increase load capacity, enhance protection, and support modular weapon systems. Furthermore, this advanced self-propelled howitzer could represent a new milestone, by incorporating a pioneering laser ignition system.
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The turret of the SH16A, weighing 14 tons, is compatible with various chassis types, including both tracked and wheeled platforms, enabling operational flexibility. (Picture source: Chinese social media)

The SH16A's updated chassis has a carrying capacity exceeding 15 tons, compared to the seven or eight tons of its predecessor. This increased capacity enables the integration of heavier weapon systems, improved armor, and enhanced protection. The chassis also features a top speed of 110 kilometers per hour and the ability to perform in-situ turning, enhancing agility. Its height-adjustable suspension system improves mine protection and mobility across varied terrain.

The SH16A is equipped with an unmanned turret that can be controlled remotely. All operational functions, including deployment, loading, firing, and withdrawal, can be managed from outside the vehicle. This design reduces risks for operators while maintaining full system functionality. The turret features a magazine-style ammunition system with a capacity of approximately 30 rounds, allowing quick reloads by swapping out magazines.

One of the system’s key innovations is its laser ignition technology, a first for howitzers of this type. This technology provides more stable and synchronized ignition compared to traditional methods. It offers two modes: direct ignition, where the laser directly ignites the charge, and multi-point network ignition, where laser energy is transmitted through an optical fiber system to ignite multiple points simultaneously.

The SH16A builds on the design of the SH16 model but incorporates several advancements. The turret, weighing 14 tons, is compatible with various chassis types, including both tracked and wheeled platforms, enabling operational flexibility. The 52-caliber 155mm gun is capable of firing multiple types of ammunition, including extended-range projectiles. When using bottom-bleed rocket-assisted rounds, its maximum range is reported to reach 56 kilometers.

Additionally, the SH16A uses automated systems for firing, loading, and ammunition management. Its fire control system integrates multiple tasks, such as gun adjustment, fuse setting, and projectile loading. These automation features streamline operations and reduce crew workload. The turret design allows for modular integration, making it adaptable to various platforms.

The system's protection level is rated at STANAG 4569 Level 4, allowing it to withstand 14.5mm armor-piercing rounds from all directions. Additional features include a V-shaped hull for mine protection and built-in anti-drone capabilities, all designed to increase survivability in modern combat environments.

The SH16A is based on the VN-22 8×8 armored vehicle chassis, which was introduced in 2021 by the Norinco Group. The VN-22 chassis is modular and supports various roles, including troop transport, reconnaissance, and artillery. It is equipped with an adjustable suspension system, active protection systems, and additional armor for enhanced mobility and survivability. This platform has been exported to countries such as Iraq, Ivory Coast, and Senegal, with Iraq customizing the design to meet specific operational requirements.