The pinned locknut socket that pulls the output shaft nut on Ford TorqShift transmissions. Matches the OTC/Ford T7458 tool, 1/2 inch drive, hardened alloy steel.
Anyone who has tried to spin off the output shaft locknut on a Ford TorqShift with a pipe wrench or a punch and hammer knows how that ends: chewed notches, a nut that still will not move, and sometimes a damaged shaft thread. This pinned spanner socket is built to the pattern of the OTC/Ford T7458 (OTC 307-458) and is listed for the 5R110W and 4R100 in Super Duty trucks, E-Series vans, the Excursion and the F-53/F-59 chassis, plus the 10R80 10-speed in 2017-2019 F-150, Expedition, Navigator and Mustang. It is a hand tool with a 1/2 inch drive receiver, made from alloy steel with a black finish.
The output shaft locknut is not a hex nut. It has slots on its face, and the socket's integral pins drop into those slots so the load is spread across the nut instead of concentrated on one corner. Ford also locks this nut with thread-locking compound, which is why it feels welded on. OTC's own application notes for the 307-458 say to heat the nut before removal and not to use impact tools, because hammering can damage both the socket and the transmission. OTC also treats the pins as wear items that can be replaced, which tells you how much torque goes through them on a stubborn nut.
Look at the nut on your output shaft. If it is a slotted locknut rather than a plain hex, and the transmission is one of the units listed below, this is the tool that turns it. Count and line up the slots against the pin pattern in the product photos before ordering. If you are still working out why a 10-speed is coming apart, our 10R80 common problems and fixes guide covers the bulletins and failure patterns, and the 10R80 F-150 common problems guide narrows it to the truck most of these units come out of.
The listing covers 2003-2010 Super Duty F-250 through F-550 with the 5R110W, the earlier 4R100, E-Series vans, F-53 and F-59 motorhome chassis, the 6.0L Excursion, and the 10R80 in 2017-2019 F-150, Expedition, Navigator and Mustang. OTC's catalog for the original tool runs the TorqShift applications through 2016 and the 10R80 through 2020, so later units may fit, but Ford has revised hardware over the years. If your transmission is outside the listed years, compare the nut slot pattern to the photos or send us your year and VIN and we will check before you order. Other 10-speed parts and tools are on the 10R80 parts collection page.
Since this nut usually comes off during a rebuild, most buyers pair it with the next tools and parts on the bench: the 10R80 piston compressor and snap ring kit for the clutch packs, the input shaft sealing ring resizer kit for reassembly, and a 10R80 overhaul kit for the soft parts.
| Replaces | Ford / OTC T7458 spanner socket |
| Fits | TorqShift 5R110W, 4R100, 10R80 10-speed |
| Applications | Super Duty, F-150, Expedition, Navigator, Mustang, E-Series |
| Drive | 1/2 inch drive receiver |
| Material | High-strength alloy steel, black finish |
| Use | Hand tools only, no impact; heat nut to release thread locker |
| Ships from | USA |
It is made to the same pinned spanner pattern and is listed as a match for the Ford/OTC T7458. Compare the pin layout in the photos with the slots on your nut if you want to be certain.
No. Use it with a breaker bar or ratchet only. OTC warns against impact tools on this socket because they can damage the pins and the transmission.
Ford installs it with thread-locking compound. Heat the nut evenly first, then apply steady pressure. Trying it cold is the usual way the slots get damaged.
Yes, the 2017-2019 F-150 with the 10R80 is on the listed fitment. For later years, check the nut slot pattern against the photos or send us your VIN.
Follow the service manual for your transmission: clean threads, a new nut or fresh thread locker as specified, and the published torque. The socket works for installation as well as removal.
