Forum Discussion

Melindak's avatar
Melindak
Explorer
Sep 27, 2017

Is there a difference between 3.73 locking rear axle & 4.30?

I currently tow approximately 8500 lbs with a Tundra. The Tundra has 5.7L V8 381 hp/401 lb-ft with a 4.300 rear diff. Looking at purchasing a Ford F-250 gas 4X2 with a 3.73 rear locking axle. Will I g...
Tow Vehicles
APT's avatar
APT
Explorer
Sep 28, 2017
Tundra with 4.30 axle and 6-spd is very close in each gear to Ford/GM with 6-spd and 3.73. As mentioned, the 3/4 tons will weigh more, so a gas 3/4 ton may feel slightly slower unloaded/non towing. I strongly believe will will notice an increase in stability with 3000 pounds of payload vs. 1300 pounds when towing 8500-ish pounds.

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