Need to know what engine it has in order to answer this.
6 Quarts in the 4200 vortec engine.
Oriffice tube system, 30 oz.
The oil capacity for International 4300 dt466 from 1994 to current hold 30 quarts with filter. Those made before 1994 have smaller engines with the capacity to hold less oil.
If I remember correctly, I believe oil capacity is 32 qts.
10 quarts
7 gallons (28 quarts)
29 quarts
30 quarts.
8 gallons
4200 so far in this season
30 QUARTS
5 Quarts + 1 for the oilfilter ( 6 total)