Universal Exchange Cylinder Seal Kit Tool Wrench

This adjustable gland nut wrench is designed for the removal and installation of hydraulic cylinder gland nuts during seal kit replacement on excavators and heavy construction equipment. The tool features an adjustable jaw capacity ranging from 48 mm to 125 mm, with a maximum reach length of 380 mm, accommodating a wide range of cylinder sizes found on 6 to 20 metric ton class excavators. Constructed from high-strength alloy steel with a 45 mm jaw thickness, it provides the necessary torque leverage to loosen seized gland nuts without damaging cylinder components. The wrench utilizes a pin-type engagement mechanism that fits into the gland nut spanner holes, ensuring secure grip and preventing slippage during operation. It is compatible with major excavator brands including Komatsu, Caterpillar, Hitachi, Kobelco, Volvo, Hyundai, Doosan, Sany, Yanmar, and Bobcat. The tool enables efficient seal kit exchange on boom, arm, bucket, and auxiliary cylinders, reducing downtime during hydraulic maintenance. No external power source required; manual operation.