Hi Mark,
Looks like no one wants to answer you.Hope you find the following info helpfull :-

Trans oil...MILLITRAN 4: SAE 10w, 30w, 50w
High quality mineral oil specifically developed to meet the most stringent transmission performance requirements for 'off-highway' equipment. High level of performance achieved for modern power-shift transmissions, wet brakes and final drives.
PERFORMANCE PROFILE:
API GL1, 2 and 3, API CD
Caterpillar TO-4... Allison C-4... Komatsu Micro-Clutch

Filter...Fleetguard HF6352...TVH 1350246....TVH 818868

Hope this helps.