Backyard 1-Ton Dodge Ram Axle Conversion - 4-Wheel & Off-Road Magazine

Ali Mansour Brand Manager, 4WD & Sport Utility

"Work hard and play hard" is an expression we've heard for decades and something most truck owners live by. While many wheeling enthusiast often push their 1/2-tons to the limit, a few actually manage to break beyond the light-duty drivetrain's capabilities. This is often the result of larger tires, power upgrades, or a general no-nonsense approach to driving and heavy-duty work expectations. So what's a 1/2-ton wheeler to do?

1994 Dodge Ram Dana 60 Dana 80 axle Upgrade Photo 29174644

When buying a new 3/4- or 1-ton truck isn't in the budget, most turn to the junkyard for a beefier set of 1-ton axles. Since 1-ton axles are of a full-float design they can handle extra weight, power, and oversized tires more easily. And when you factor in bigger brakes and massive differentials it's easy to see why dropping a set of 1-tons under your 1/2-ton pickup is a worthwhile investment.

Though flashes of fabricating axle brackets and new suspension components often scare many away from attempting a heavy-duty axle conversion, a few light-duty platforms allow 1-ton axles to practically bolt in place.

A great example of this is the '94-'01 Dodge Ram 1/2-ton 4x4. Since both second-generation light- and heavy-duty Ram trucks use a coil-sprung solid front axle and a leaf-sprung rear, they are relatively easy to interchange.

To test this theory we stripped the axles out from our buddy's '94 Dodge 1/2-ton pickup and replaced them with a Dana 60 front and Dana 80 rear from a second-gen 1-ton Dodge. While this swap is mostly bolt-in, a little cutting and welding are required. Overall, it is possibly one of the easiest 1-ton axle conversions we've ever encountered and a great upgrade for the '94-'01 1/2-ton Dodge.

Smart Parts
There always seems to be a catch when a swap is going too smoothly. Ours came in the form of a mismatched gearset. Luckily, we were looking to regear, so we upgraded the ring-and-pinions with 5.13 gears from Superior Axle & Gear. For the driveshafts we had the front shaft shortened by JE Reel Drivelines, and the rear shaft was pulled from under a '98 1-ton Ram we found in the salvage yard.

1994 Dodge Ram Dana 60 Dana 80 gears Photo 27741743 PhotosView Slideshow Our donor axles were pulled from the local pick-a-part and came from under two different second-gen 1-ton Dodge trucks. The Dana 60 front and Dana 80 rear are massive axles and are both capable of handing 40-inch-plus tires and huge horsepower and torque.
The front suspensions on '94-'01 1/2- and 1-ton trucks are virtually identical. This means our 1/2-ton's coils, shocks, and control arms all set perfectly in place. Even the factory hardware was reused, and the front brake lines bolted right up to the 1-ton calipers.
The factory steering from the 1/2-ton as well as the track bar all fit into place nicely and didn't required any modification. And since the sway bar mounting tabs were a tad different we simply dug around our buddy's scrap bin and found that factory Jeep Wrangler JK front sway bar endlinks work well.
PhotosView Slideshow Both of the second-gen light- and heavy-duty Ram front axles are equipped with a CAD (central axle disconnect). Our '94 1/2-ton was upgraded with a CAD cable actuator, and it simply bolted in place of the 1-ton's factory unit.
The Dana 80's rear spring perches were torched off since they were too wide for the 1/2-tons springs. Depending on your tools and budget you can either cut the 1/2-ton perches off and reuse them or purchase a new set from the aftermarket.
To secure the rear axle we performed a U-bolt flip and had a custom set of U-bolts made then fabricated a 1/2-inch-thick spring plate from some old scrap plate we had sitting around. Once we had the pinion angle properly positioned we welded the spring perches in place and plugged the 1/2-ton's factory tone ring sensor into the top of the differential housing.