Case - IH 43/45

Differential fluid capacity & service interval

Case - IH 43/45 differential fluid capacity is 5,25 liters. Service intervals include checking every 200 hours and changing every 800 hours. The data covers 3 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
  • 743 XL (1985-1990)
  • Front
  • Use: Normal
  • Capacity 5,25 liter
  • Check 200 hours
  • Change 800 hours
  • Code: (4x4)
  • 745 XL (1985-1990)
  • Front
  • Use: Normal
  • Capacity 5,25 liter
  • Check 200 hours
  • Change 800 hours
  • Code: (4x4)
  • 845 XL, XLA (1985-1990)
  • Front
  • Use: Normal
  • Capacity 5,25 liter
  • Check 200 hours
  • Change 800 hours
  • Code: (4x4)

Additional Notes

  • The front differential capacity across the 743 XL, 745 XL, and 845 XL/XLA models from 1985-1990 is 5.25 liters, which represents a service fill volume rather than a full overhaul or dry-fill figure.
  • A check interval of 200 hours under normal use conditions applies to all three model variants, meaning fluid level verification is due well before any drain-and-fill service is performed.
  • The change interval is set at 800 hours under normal use conditions, placing the drain-and-fill service at four times the frequency of the routine fluid level check.
  • The Case-IH 43/45 series front differential specifications apply identically across the 743 XL, 745 XL, and 845 XL/XLA configurations for the 1985-1990 production span, with no variation in capacity or interval values between those variants.

Other Systems