These specs were taken from International Harvester's Service Manual for a late model Scout II. This is meant to be a general guideline. Actual values may vary depending on specific models, please double check fluids for your specific application.
Engine Oil:
Temps 20° – 120°F:
SAE 30, 10W-30, 10W-40, 20W-40, 20W30
Temps 0° – 90°F:
SAE 20W, 10W-30, 10W-40, 20W-40, 20W30
Temps -10° – 70°F:
SAE 10W, 10W-30, 10W-40
Ernie Bisio's Choice:
Straight 40 Weight
Engine Coolant:
Typically Green, various colors should not be mixed, unless otherwise noted. Mix with distilled water at a ratio appropriate for your climate range.
Power Steering:
Capacity:
1.42 L
GM power steering fluid
Manual Steering:
SAE 85W-140 gear oil
Brake fluid:
DOT 3
Clutch:
DOT 3
Manual Transmission (T-19, T-18):
Capacity:
3.3 L
Temps below 0ºF:
Mineral Gear Oil SAE 80 (GL-1)
Temps below 32ºF:
Mineral Gear Oil SAE 90 (GL-1)
Temps above 32ºF:
Mineral Gear Oil SAE 140 (GL-1)
Automatic Transmission (T727)
Capacity:
6 Quarts
Dextron Automatic Transmission Fluid
Transfer Case (Dana 18, 20, 300):
Capacity:
1.65 L
Temps below 0ºF:
Straight Mineral Oil SAE 80
Temps above 0ºF:
Straight Mineral Oil SAE 80W-90
Temps consistent above 90ºF:
Straight Mineral Oil SAE 90W-140
Transfer Case (TC-143 single speed):
Capacity: 0.94 L
Dextron Automatic Transmission Fluid
Universal Joints (U-joints):
NLGI #2 equivalent, multipurpose grease
Wheel Bearing:
NLGI #2 equivalent, multipurpose grease
Front and Rear Differentials*:
Capacity:
Dana 30 Front: 1.2 L
Dana 44 Front: 2.1 L
Dana 44 Rear: 1.4 L
Normal Climate / Normal Load:
SAE 85W-140 or SAE 90 gear oil
Hot Climate / High Load:
SAE 140 gear oil
*For limited-slip use friction modifier additive.
If you have recommendations or corrections on information listed, please let us know on our contact page!