Rated Line Pull: 3,000 lb. (1,361 kg) Motor: Permanent magnet, 0.9kw/1.2hp(12V) Gear Ratio: 153:1 Differential Planetary Drum Diameter: 1.24" (31.5mm) Drum Length : 2.88" (73mm) Wire Rope: 5.4mm x 10.2m Dimensions: 305mm l. x 105mm d. x 110mm h. Mounting Bolt Pattern: 3.13"(79.3mmX 50mm) N.W./G.W.: 18kgs/ 20kgs Outer Packing Measurement: 34?4?4cm(2pc)