

| Vehicle Name | VBM 155 SPH |
| Type / Role | 10x10 Wheeled Self-Propelled Howitzer (SPH) |
| Manufacturer | CIO (IDV & Leonardo) |
| Country of Origin | Italy |
| In Service | No (Prototype / Development) |
| Year Introduced | 2026 (Unveiled) |
| Unit Cost | Not publicly disclosed |
| Crew | 2 (Driver, Commander/Gunner) |
| Length (Gun Forward) | 11.10 m |
| Width | 3.145 m |
| Height | ~4.38 m |
| Weight | ~37,000โ40,000 kg |
| Ground Clearance | Not specified (optimized suspension) |
| Chassis Material | Armored wheeled chassis |
| Engine Type | Iveco 6V TCA Diesel |
| Engine Power | 720 hp |
| Power-to-Weight Ratio | Not specified |
| Transmission | ZF Automatic |
| Maximum Speed (Road) | >100 km/h |
| Maximum Speed (Off-Road) | High mobility (specifics TBD) |
| Operational Range | Not fully specified (fuel for extended ops) |
| Suspension Type | Independent hydropneumatic |
| Main Gun | 155 mm / 52-caliber (HITFIRE turret) |
| Ammunition Capacity | 30 rounds + 180 charges |
| Secondary Armament | HITROLE RCWS (e.g., 12.7 mm MG or 30 mm cannon option) |
| Gun Elevation/Depression | Approx. -2.5ยฐ to +70ยฐ |
| Fire Control System | Automated with BMS integration |
| Stabilization | Enhanced by low turret mounting |
| Rate of Fire | Up to 10 rounds per minute |
| Armor Type | Ballistic protection (customer-defined) |
| Reactive Armor | Not specified |
| Active Protection System (APS) | Not specified (C-UAS option) |
| NBC Protection | Likely (standard for modern Italian vehicles) |
| Smoke Grenade Launchers | Not detailed |
| Fire Suppression System | Expected in crew cell |
| Mine Protection | Reinforced (details TBD) |
| Maximum Gradient | 60% |
| Side Slope | ~30% |
| Trench Crossing | ~2.5 m |
| Vertical Obstacle | Not specified |
| Fording Depth | ~1.5 m |
| Turning Radius | Optimized (steering on multiple axles) |
| Amphibious Capability | No |
| Fire Control Computer | Yes (fully automated) |
| Thermal Imaging | Expected in FCS |
| Night Vision | Yes |
| Laser Rangefinder | Yes |
| Ballistic Computer | Yes |
| Communication System | VHF/UHF/SATCOM |
| Battlefield Management System | NGVA architecture, interfaceable |
| Service Branch | Potential Italian Army / Export |
| Primary Operator | Under development (Italy focus) |
| Combat Experience | None (new system) |
| Upgrade Packages | Spiral development planned |
| Export Status | Targeted |
| Production Status | Prototype phase |
The VBM 155 self-propelled howitzer (SPH) emerges as a compelling solution for modern artillery requirements, blending Italian engineering excellence in wheeled mobility and automated firepower. Developed by CIO, the consortium integrates Iveco Defence Vehicles’ expertise in armored chassis with Leonardo’s advanced artillery systems. This 10×10 wheeled platform builds on the VBM NG family, offering enhanced payload and stability for sustained operations.
At its core is Leonardo’s HITFIRE 155 unmanned turret armed with a 155mm/52-caliber cannon. The fully automated system includes a 30-round projectile magazine and capacity for 180 modular propellant charges, enabling a maximum rate of fire of 10 rounds per minute. Compatible with NATO-standard and precision-guided munitions, it achieves ranges up to 70 km while maintaining rapid deployment. The turret’s low mounting and electric actuators enhance firing stability, allowing shoot-and-scoot tactics without spades—first round in approximately 10 seconds after stopping, with quick repositioning.
The VBM 155 represents a significant advancement in wheeled self-propelled artillery, unveiled by the Italian CIO consortium (a 50/50 joint venture between Iveco Defence Vehicles and Leonardo) at Eurosatory 2026. Designed as a highly mobile, automated 155mm howitzer on a 10×10 chassis, it addresses the growing demand for long-range precision fires with reduced crew exposure in contested environments.
Manufacturer: CIO (Consorzio Iveco Oto Melara) / IDV and Leonardo Country of Origin: Italy
The system achieves road speeds exceeding 100 km/h, supported by a 720 hp engine and optimized suspension. It delivers precision fire up to 70 km using extended-range ammunition.
Unit cost data is not publicly disclosed at this prototype stage, as the system remains in development for potential Italian and export markets.
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