Our serviceboxes contain all genuine parts we consider needed to be replaced at service. Servicebox 8510/8615 is valid for all standard models delivered from the launch in year 2017. Please note that the nomenclature of our crane spreaders was changed in the beginning of 2017 and that this box is valid for the former model designations, 8520/8530, as well. PARTS INCLUDED IN THE BOX Twistlock Assembly 4x Twistlock kit 8x Seal ring 8x O-ring 4x Ball joint 4x Seated pin 4x Nut 4x Compression spring 4x Compression spring 4x Bracket 4x Tie rod 4x Indicator arm Wear pads 20x Wear pad (18x for 45ft spreader) 2x Wear pad (45ft spreader only) 4x Nylon pad 2x Wear pad - Indication arrangement 4x Wear pad - Extension cylinder Buffers 8x Buffer - Flipper arm 8x Buffer - Folding cylinder 4x Nut - Folding cylinder Feet 4x Bushing 4x Shims 8x Roll pin 4x Nut Filters 1x Filter kit Additional Items 4x Proximity switch 2x Proximity switch - In foot 1x Seal kit - Extension cylinder 1x Seal kit - Flipper cylinder 1x Seal kit - Twistlock cylinder 2x Seal kit - Folding/clamping cylinder DISCLAIMER All specifications are subject to change without notice. Further information is available on request.