Yukon Gear High Performance Gear Set For Dana 60 Reverse Rotation in a 4.30 Ratio / Thick
The 4.30 ratio is the in-between choice for a Ford Super Duty or older F-250 and F-350 that came with 3.73 or 4.10 gears and now runs 35 in. tires or pulls heavy. It recovers the lost gearing without the highway rpm of a 4.56 or 4.88. The Yukon Gear & Axle YG D60R-430R-T is that ratio for the reverse-rotation Dana 60 front, and because it is a thick gear it bolts to the 4.10-and-down carrier the truck already has.
Ford's front Dana 60 has a high pinion, so the pinion spins in reverse compared with a rear axle. Reverse-rotation gears put the forward-driving load on the drive side of the teeth instead of the weaker coast side. This set uses a 9.75 in. ring gear, a 29-spline pinion and 12 ring gear bolts. Dana 60 carriers come in two series: one for 4.10 and numerically lower ratios, and one for 4.56 and up. A normal 4.30 ring gear would not line up with the smaller carrier, so Yukon makes the ring gear thicker to fill the gap. That is the point of the -T: you keep your factory carrier or locker, which saves the cost of a new carrier on a Super Duty front.
Confirm the front is the reverse-rotation Dana 60 (high pinion, driveshaft entering above the centerline) and read the current ratio from the axle tag or the door sticker code with our axle code guide. Then confirm the carrier: if the axle has 4.10 or lower gears now, this thick set fits it; if it already has 4.56 or higher gears, it has the larger-series carrier and needs a standard 4.30 set instead. Our carrier break guide explains the split, and the Dana 60 front axle problems guide covers bearing and ball joint wear worth checking at the same time.
Yukon lists this set for the Ford reverse-rotation Dana 60 front in the 1978-1999 F-250, 1979-1997 F-350, 1999-2015 F-250 and F-350 Super Duty, and the 2000-2004 F-450 and F-550 Super Duty. It also covers the 35-spline Super 60 front on 2002-2015 F-250 and F-350 Super Duty, 2004-2014 F-450 and 2004-2013 F-550. It is a front-axle gear set; Dana 60 rears are standard rotation and take different gears. Ford used more than one front axle in these years, so check the tag, or send us your year and VIN to confirm it is a Dana 60. Other ratios for this axle, such as the 3.73 reverse set and the 5.13 thick reverse set, are in our hard parts section.
Replace the pinion and carrier bearings with the gears. For 1999-2016 Super Duty fronts with a crush sleeve, the Super Dana 60 front master install kit covers the bearings, seals and shims. Yukon's setup chart gives the Dana 60 a 0.052 in. starting pinion shim, 17-30 in-lb of pinion preload with new bearings, 110 ft-lb on the ring gear bolts and 80 ft-lb on the bearing caps. Because the ring gear is thicker, check that the ring gear bolts you use have full thread engagement in the gear. Read the contact pattern with marking compound on both sides of the teeth. Fill with 75W-90 or 75W-140 gear oil, keep the first 500 miles light with no towing or plowing, and change the oil after break-in. The rear axle must be regeared to 4.30 too, and the speedometer reprogrammed.
| Brand | Yukon Gear & Axle |
| Part number | YG D60R-430R-T |
| Fits | Yukon Gear High Performance Gear Set For Dana 60 Reverse Rotation in a 4.30 Ratio / Thick |
| Type | Final Drive Gears |
| Condition | New |
| Ships | Same business day (in stock), from the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
No, if your Dana 60 has 4.10 or lower gears now. This thick ring gear is made for the 4.10-and-down carrier. Axles that already have 4.56 or higher gears use the bigger carrier and need a standard 4.30 set.
Yes. Yukon lists it for the 1999-2015 F-250 and F-350 Super Duty reverse-rotation Dana 60 front, including the 35-spline Super 60 listed from 2002. Confirm with the axle tag or send us your VIN.
No. Dana 60 rears are standard rotation. This set is listed only for Ford reverse-rotation Dana 60 fronts.
It is a common step up from factory 3.73 or 4.10 gears for about 35 in. tires on Super Duty trucks, keeping highway rpm lower than 4.56.
Pinion and carrier bearings, races, pinion seal and shims, plus a matching 4.30 set for the rear axle so front and rear ratios match.
