IDEX 2025: Hyundai unveils 105mm light SPH and 81mm mortar vehicle for ROK Army
A scale model of the South Korean 105mm Light Self-Propelled Howitzer based on a K451 Light Tactical Vehicle (Photo: author)
Two elements of the South Korean company Hyundai, WIA Business and Hyundai Rotem Group, have joined forces to develop two highly mobile indirect fire systems, the 105mm Light Self-Propelled Howitzer (SPH) and vehicle-mounted 81mm mortar system.
The 105 mm Light SPH uses the Hyundai K351 Light Tactical Vehicle (4x4). Mounted at the rear of the fully enclosed cab is a 105mm howitzer which can be traversed through 270° with elevation from −7° to +65°.
The 105mm/37-calibre ordnance is the same as that used in the KH178 105mm towed artillery system deployed by the Republic of Korea (ROK) Army. This is a further development of the US M101 towed howitzer.
Before coming into action, four stabilisers are lowered to the ground to provide a more stable firing platform. Maximum range depends on the projectile-charge combination: using the standard HE
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