Shaft, Load Control (Ref. 1). PART NO: A-R33883. Replaces R27017 Dim A (1)20.937" Long Dim B (2)1.000" Dia. . MODELS: John Deere INDUSTRIAL/CONSTRUCTION: 500 John Deere INDUSTRIAL/CONSTRUCTION: 500A (IND) John Deere INDUSTRIAL/CONSTRUCTION: 500C (IND) John Deere TRACTOR: 2510 John Deere TRACTOR: 2520 John Deere TRACTOR: 3010 John Deere TRACTOR: 3020 John Deere TRACTOR: 4030.