G2's high strength axle shafts are engineered to withstand the added load of high torque applications and to remedy the common faults found with factory shafts. Forged from high grade alloy steel and heat treated to exceed OEM specifications, these axles are designed for extended service life. Added features such as Big Spline options, rolled splines and use of better materials allow you to confidently run larger tires without the risk of failure.
Big tires and low crawler gears can, and do lead to broken rear axles. If you are looking to upgrade your drivetrain, check out Trail Gears heavy-duty chromoly rear axles. Trail Gears axles feature a break strength of 8,300 ft-lbs of torque and up to 120 degrees of twist. Lifetime Warranty on chromoly rear axles.
Trail Gears Dirty 30 Birfield Axles shafts and birfield housing are made out of 100% 4340 chromoly steel and are precision polished to remove any imperfections that may cause stress risers and failures. The internals of our Dirty 30 birfields are made out of 300M chromoly steel for maximum strength and reliability. The Dirty Thirty Axles also have a larger size axle shaft going into he birfield to eliminate the weak link in the assembly.