The Esco 92004 Air Hydraulic Jack is engineered for robust lifting of heavy vehicles in demanding industrial environments. This high-capacity service floor jack combines powerful performance with practical, user-friendly operation for critical maintenance tasks. Key Specifications and Features: – Model and Style: YAK 221/N, an advanced air/hydraulic jack specifically designed for heavy-duty service applications. – Dual Lifting Capacity: Offers a primary lifting capacity of 44 tons (40 tonnes) and a secondary capacity of 22 tons (20 tonnes), providing exceptional versatility for diverse heavy vehicle maintenance. – Minimum Height: Engineered with a compact minimum height of 8.62 inches (219 mm) for convenient positioning under a wide array of chassis. – Maximum Height: Reaches an impressive maximum lift height of 18.46 inches (469 mm) to accommodate various lifting requirements. – Net Weight: Constructed with a net weight of 101 lbs (46 kg), balancing robust durability with operational maneuverability. – Handle Length: Features an extended handle measuring 56.61 inches (1311 mm) for ergonomic operation and improved reach. – Automatic Piston Return: Equipped with pistons that automatically retract, significantly enhancing operational efficiency and user convenience. – Dual Descent Valves: Incorporates two independent descent valves, ensuring precise control and perfect load holding stability throughout lowering operations. – Included Extensions: Supplied with extensions for adaptable lifting applications, including a 0.5 inch (10 mm) size to meet diverse height requirements.