Our service boxes contain all the genuine parts we consider needed to be replaced at service. Servicebox 817 is valid for all standard model 817 spreaders delivered from year 2000. 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 Tie rod 4x Indicator arm Wear pads & Shims 20x Wear pad - Mainframe/Extension beam 4x Wear pad - Mainframe 4x Wear pad - Extension cylinder 8x Wear pad - Carriage Flex track Chain Assembly 2x Flex track chain 4x Bracket 16x Screw 4x Hydraulic hose assy 2x Cable assy Additional Items 4x Proximity switch 1x Seal kit - Sideshift cylinder 1x Seal kit - Extension cylinder 1x Seal kit - Twistlock cylinder DISCLAIMER All specifications are subject to change without notice. Further information is available on request.