I recommend the MORryde Shock Absorbing Suspension Equalizers for Triple Axle Trailers w/ 33" Wheelbase, # MR59ZR. While you can reuse your existing hardware with these equalizers, we recommend using MORryde's suspension upgrade kit. I recommend the MORryde Suspension Upgrade Kit for Triple Axle Trailers, # MR86ZR. view full answer...
The MORryde Suspension Upgrade Kit for Triple Axle Trailers part # MR86ZR for 2-1/4" shackles or part # MR26ZR for 3-1/8" shackles would be an excellent replacement option for a 2017 Forest River Vengeance 40D12. This kit has heavy duty shackles, bronze bushings, and greaseable wet bolts. view full answer...