Drive Shaft, Hydraulic Pump
CTPA-70244027 Replacement Part to Fit:  Allis-Chalmers "For Models: 190 GAS SN<26855, DIESEL SN<26857, 190XT DIESEL SN<26612" 4.710" LONG; 13 SPLINE; 0.870" DIA.  Price:  $181.44  Buyers Club Price:  $163.30