the compressor is the most common cause
Stainless Steel Case 100mm Liquid (Glycerine) filled pressure gauge with brass internals and 1/4" BSP Brass entry
Replacement Cap rubber gaskets CLICK HERE
while the quick-release pin makes implement changes fast — no tools required
Fuel Cap for Case IH, Chamberlain and Massey Ferguson 405-M27-20 the compressor is the mostDetail Cap I. D 48mm Cap O. D 73. 2mm Lockable No Material Metal Vented No Suitable For Make Model Case IH International Harvester 238, 2400, 248, 2500, 258, 268, 278, 288, 3210, 3220, 3230, 385, 395, 4210, 4220, 4230, 4240, 454, 464, 474, 475, 484, 485, 495, 574, 584, 585, 595, 674, 684, 685, 695, 784, 785, 795, 884, 885, 895, 995, C50, C60, C70, C80, C90, HYDRO 84 Chamberlain 306, 354, 9G, C6100, C6100 MKIII, C670 Massey Ferguson 1440, 2500, 2756,