DP40-55 (C)NB. Carrying capacity: 4,000, 4,500, 5,000, 5,500 kg. Lifting height: 3,000 mm - 7,000 mm. ThesePerfectr engine 4 to 5.5 tonnes powered forklift models are designed for heavy duty applications and are the natural choice for use in ports, construction, freight, and metal and brick operations.