John Deere 6145R FRONT AXLE DIFFERENTIAL UNIT COMPLETE L220124, AL160170. Description for the Item. Front Axle Differential Unit Complete Axle Type: Dana Spicer 750/325, AL222969, RATIO: 13.286, Can be dismantled by request Part Numbers: Centre Housing: L220124, 750.01.070.01, Bevel Gear: AL160170, 750.04.502.01, Differential Housing: AL160210, 750.04.701.04, Differential Gear Kit: AL208846, 750.04.702.05. L220124, 750.01.070.01, AL160170, 750.04.502.01, …