4. MAIN PUMP STRUCTURE STRUCTURE (1/2) This variable displacement piston pump consists of steering pump and loader pump. 1) L1 B1 X1 L3 B2 X2 L2 S1 L4 S2 X1 X2 E/G L1 L2 S1 S2 Hydraulic circuit L3 L4 76096WE88 6-9 B1 B2 Port Port name Port size B1 Pressure port SAE 1" B2 Pressure port SAE 1" S1 Suction port SAE 2" S2 Suction port SAE 2" L1, L2 Case drain port 1 1/16-12UN-2 L3, L4 Case drain port 1 1/16-12UN-2 X1, X2 Pilot pressure port 7/16-20UNF-2