Jcb 530B-4, 530B, 525B, 540B Rear Axle Complete 448/07700, 448/08500. Description for the Item. Rear Axke Complete Option 4wd, Steering Available for dismantling by request On JCB 530B-4 Machine Serial: 583658. Axle Serial Number: 02344, Part Numbers: Complete Axle: 448/07700, 448/08500, Axle Housing: 448/07701, Differential Complete: 448/07900, Bevel Gear z8/35: 448/07200, 448/12700, 458/70023, Differential Housing: …