Rear or front steering. Electric hydraulic lifting. Single traction drive. 24V 75Ah battery pack. HH 1eD: With dual traction motor: HH 2eD: EC 130 (B4), EC120, Bell 407, Long Ranger: Max load 2000 KG: BO 105: Max load 2300 KG: BK 117, EC 145: Max load 2500 KG: Dual traction drive motor, rear or front steering, electric hyraulic lifting, 24 volt