PISTON 9W2405 - Caterpillar

Rotation is clockwise when seen from drive gear.(1) Clearance between gears and cover (new) ... 0.125 to 0.211 mm (.0049 to .0083 in.)(2) Clearance between gears and body (new) ... 0.061 to 0.147 mm (.0024 to .0058 in.)(3) Clearance between gears and manifold (new) ... 0.061 to 0.102 mm (.0024 to .0040 in.)(4) Diameter of drive and driven shafts (new) ... 31.737 to 31.747 mm (1.2495 to 1.2499 in.) Bore in the body and cover bearings (new) ... 31.778 to 31.794 mm (1.2511 to 1.2517 in.)For bench test, use SAE 30W oil at 49° C (120° F):(A) Transmission charging section: Output (minimum) ... 148 liter/min (39 U.S. gpm)with pump at ... 1800 rpmat a pressure of ... 3100 kPa (450 psi)(B) Transmission lubrication section: Output (minimum) ... 95 liter/min (25 U.S. gpm)with pump at ... 1800 rpmat a pressure of ... 345 kPa (50 psi)(C) Transmission scavenge section: Output (minimum) ... 165 liter/min (44 U.S. gpm)with pump at ... 900 rpmat a pressure of ... 345 kPa (50 psi)