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RCV CV Joints and Axleshafts - Because Strength Matters

Posted in How To on August 29, 2013 Comment (0)
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Photographers: Chris Hamilton

We couldn't begin tell you how many times we have found ourselves underneath a truck or Jeep replacing a broken axleshaft or U-joint. Let's face it: Once a rig has been fitted with larger tires and wheels and has had its engine performance boosted with additional horsepower, something is bound to snap. And that something is usually the factory axleshafts or U-joints. But there is an easy fix!

RCV has been manufacturing aerospace and automotive components for over half a century. Combine that with the fact that the folks at RCV are off-road enthusiasts and racers, and you know they have the experience needed to build tough axleshafts for our hardcore rigs. Think about it: Factory axles have to be strong, but automotive manufacturers are always looking for ways to cut costs and turn larger profits. So the axleshafts the factories produce are only as strong as they need to be! This is where aftermarket manufacturers such as RCV step up. They go the extra distance to produce some of the strongest axleshafts and CV joints (constant velocity joints) available for off-road professionals and enthusiasts alike.

While ordering up a set of RCV shafts for our 2 1/2-ton Rockwells we looked through the list of available axleshafts and products available on the website. We found a whole slew CV axleshafts, CV joints (inner and outer), TTB shafts, and rear axleshafts. RCV also manufactures the axleshafts in 300M and 4340 chromoly, which, in case you aren't familiar with it, is some very tough alloy material. We think it's safe to say that if you're tired of snapping shafts—regardless of whether you are building a junkyard axle or replacing the inferior shafts on your new Jeep—RCV has simple bolt-in shafts to fit your axlehousings. If you have some odd and random axlehousing you just have to bolt under your truck or you have a custom design in mind, RCV can help.

This awesome set of front RCV shafts for our 2 1/2-ton Rockwells is far stronger than a stock axleshafts with U-joints. When a rig is fitted with larger tires and more horsepower, the torque and the force placed on the axleshafts are significantly multiplied. When larger tires are buried deep in the mud or jammed between rocks, especially while turning, the force on the shafts and U-joint will break them. This awesome set of front RCV shafts for our 2 1/2-ton Rockwells is far stronger than a stock axleshafts with U-joints. When a rig is fitted with larger tires and more horsepower, the torque and the force placed on the axleshafts are significantly multiplied. When larger tires are buried deep in the mud or jammed between rocks, especially while turning, the force on the shafts and U-joint will break them.
In metallurgy we’ve always heard a number of metals called different things, but we’ve always loved the sound of “super alloy.” That’s how some folks refer to 300M steel alloy, and we have to agree. The 300M shafts and parts we’ve run on other vehicles were virtually bombproof. RCV offers a number of axleshafts and components in 300M alloy steel. These 300M cages for CV joints and the 300M races for CV joint are ready to be assembled at the RCV plant in Loves Park, Illinois. In metallurgy we’ve always heard a number of metals called different things, but we’ve always loved the sound of “super alloy.” That’s how some folks refer to 300M steel alloy, and we have to agree. The 300M shafts and parts we’ve run on other vehicles were virtually bombproof. RCV offers a number of axleshafts and components in 300M alloy steel. These 300M cages for CV joints and the 300M races for CV joint are ready to be assembled at the RCV plant in Loves Park, Illinois.
Every Product RCV sells is manufactured under strict quality control. What this means is that a truck fitted with these shafts and CV joints will be able to handle more abuse off-road. We now feel much better about running the Superior Traction tires with their massive tread lugs. Those tire lugs will move much more mud and earth, which, when combined with more horsepower, we know would snap the stock q6-spine Rockwell shafts. Every Product RCV sells is manufactured under strict quality control. What this means is that a truck fitted with these shafts and CV joints will be able to handle more abuse off-road. We now feel much better about running the Superior Traction tires with their massive tread lugs. Those tire lugs will move much more mud and earth, which, when combined with more horsepower, we know would snap the stock q6-spine Rockwell shafts.
In metallurgy we’ve always heard a number of metals called different things, but we’ve always loved the sound of “super alloy.” That’s how some folks refer to 300M steel alloy, and we have to agree. The 300M shafts and parts we’ve run on other vehicles were virtually bombproof. RCV offers a number of axleshafts and components in 300M alloy steel. These 300M cages for CV joints and the 300M races for CV joint are ready to be assembled at the RCV plant in Loves Park, Illinois. In metallurgy we’ve always heard a number of metals called different things, but we’ve always loved the sound of “super alloy.” That’s how some folks refer to 300M steel alloy, and we have to agree. The 300M shafts and parts we’ve run on other vehicles were virtually bombproof. RCV offers a number of axleshafts and components in 300M alloy steel. These 300M cages for CV joints and the 300M races for CV joint are ready to be assembled at the RCV plant in Loves Park, Illinois.
The CV joints in this crate have just been heat treated and oxidized black. From here they will be fitted with their races and bearings and then shipped to customers. An upgrade with these CV joints and shafts means more time in the driver seat and less time under the rig! The CV joints in this crate have just been heat treated and oxidized black. From here they will be fitted with their races and bearings and then shipped to customers. An upgrade with these CV joints and shafts means more time in the driver seat and less time under the rig!
Once the CV joint has been heat treated and the races assembled, it is packed with high-quality grease for extended life. The joints and shafts also have zerk fittings so they can be greased for periodic maintenance. Once the CV joint has been heat treated and the races assembled, it is packed with high-quality grease for extended life. The joints and shafts also have zerk fittings so they can be greased for periodic maintenance.
This is what the pros at the White City Boyz shop found when they cracked open our axles. Nasty. It looks like our axles were never taken care of and maintained. Judging from the grease there was water contamination and years of grit and grime imbedded in it. Truck and buggies that see a lot of mud and water should always have their axles cleaned and maintained and packed with fresh grease. A little maintenance goes a long way. This is what the pros at the White City Boyz shop found when they cracked open our axles. Nasty. It looks like our axles were never taken care of and maintained. Judging from the grease there was water contamination and years of grit and grime imbedded in it. Truck and buggies that see a lot of mud and water should always have their axles cleaned and maintained and packed with fresh grease. A little maintenance goes a long way.
Once our axles were cleaned they were ready to be fitted with the RCV axleshafts and CV joint. We skipped a number of steps in the disassembly and assembly of our 2 1/2-ton axles. A full rebuild of 2 1/2 axles can be found in the Feb./Mar. ’12 issue of Mud Life. Once our axles were cleaned they were ready to be fitted with the RCV axleshafts and CV joint. We skipped a number of steps in the disassembly and assembly of our 2 1/2-ton axles. A full rebuild of 2 1/2 axles can be found in the Feb./Mar. ’12 issue of Mud Life.
We were really happy with how easily the RCV shaft fit into the housing with little effort. In the past we’ve sometimes spent considerable time monkeying around with other shafts trying to get them to fit. We couldn’t be happier with these new shafts and can’t wait to test them in the mud bogs. Keep your eyes peeled for the update on how the CVs and shafts held up under tough four-wheeling conditions. We were really happy with how easily the RCV shaft fit into the housing with little effort. In the past we’ve sometimes spent considerable time monkeying around with other shafts trying to get them to fit. We couldn’t be happier with these new shafts and can’t wait to test them in the mud bogs. Keep your eyes peeled for the update on how the CVs and shafts held up under tough four-wheeling conditions.
rcv staff

Sources

RCV Performance Products (axles)
www.rcvperformance.com
White City Boyz
772-204-3446
http://www.whitecityboyz.com

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