Warn Series 30XL Hydraulic Winch, Standard Drum, Air Clutch - 30,000 lb Model 77900Warn Series 30XL Hydraulic Winch, Standard Drum, Air Clutch 30,000 lb Model 77900 For hydraulic winching applications, no product performs better than a Warn Industrial winch. Powerful hydraulic Motors allow for extended duty. Hardened steel, two stage Planetary Gear Trains deliver efficient and reliable operation plus fast line speeds. Like their electric cousins, these products comply with world wide quality and safety standards. 12 Cubic Inch High