HUB 2663612 - Caterpillar

Rotation (seen from drive end) ... Counterclockwise(1) Clearance between the gears and the cover ... .0029 to .0041 in.(0.074 to 0.104 mm)(2) Clearance between the gears and the cover ... .0019 to .0031 in.(0.048 to 0.079 mm)(3) Diameter of the shafts ... .8745 to .8749 in.(22.212 to 22.222 mm)(4) Bore of the bearings ... .8760 to .8766 in.(22.250 to 22.266 mm)(5) Scavenge section: Output ... 31.4 U.S. gpm(118.8 litre/min) at a pump speed of ... 2480 rpmat a pressure of ... 0 psi(0 kPa)(6) Circulating section: Output ... 21.3 U.S. gpm(80.6 litre/min) at a pump speed of ... 2480 rpmat a pressure of ... 40 psi(280 kPa)