ratio:25-4000 torque:2.6-900kn power:22-1920kw P series gear units overview: ◆ Modular design realizes variable combination. ◆ Housing is made of cast iron, which improve its rigidity and anti-vibration. ◆ Sun and planet gears are processed by cementite and hardening, gears are processed by grinding, which improve the efficiency and lifetime of gear units. ◆ Input mode: coaxial input, helical gear input, bevel-helical gear input. ◆ Out put mode: internal involute spline, hollow shaft with shrink disk, external involute spline, solid shaft with flat key. ◆ Mounting mode: horizontal vertical, torque-arm. ◆ P series sizes 9-34, transmission stage:2,3, ratio:25-4000. ◆ Ratio will be larger in combination with CR, K, R series.