Back to 1999 Ford F-450
Help
1999 FORD F-450
6.8L V10 Triton•4WD•gas
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor528Torque141Fluid10DTC878Battery1Maintenance0Recalls0
Fluid · Rear Differential

Rear Differential

for 1999 Ford F-450 6.8L V10 Triton · 4WD
Fluid Type
80W-90 or 75W-140 synthetic
Spec: API GL-5
Capacity
7qt
6.62 L
Drain & Refill
7 qt
6.62 L
Change Interval
100,000 mi
160,900 km

Notes

Dana 80 rear axle typical for F-450. Add friction modifier XL-3 for limited slip

Buy on Amazon
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 1999 Ford F-450 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Ford F-450 — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →