Fluid · Rear Differential
Rear Differential
for 2026 Ford F-550 7.3L V8 Godzilla · 4WD
Fluid Type
75W-90 synthetic
Spec: API GL-5
Capacity
6qt
5.68 L
Drain & Refill
6 qt
5.68 L
Change Interval
150,000 mi
241,350 km
Notes
Dana M300 rear. Severe duty: 50000 miles. Add 0.5 qt if limited slip
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