DPX Drivetrain Tools | Ohio’s Premier Heavy-Duty Rebuilder
DPX Drivetrain Tools
Free tools built by Ohio’s premier heavy-duty drivetrain rebuilder, because we hate guesswork as much as you do.
Road Speed & Ratio Calculator
Compare current vs new gear ratios — see MPH change.
PTO Shimming & Setup Procedure
Step-by-step guide with photos — download the PDF now.
IPL Library
Official Eaton Fuller, Dana Spicer, Meritor & Mack illustrated parts lists — instant PDF downloads.
Dana Spicer S135 / S150 Axles & Gearsets
Gear ratios, No-Spin lockers, axle shafts, and complete parts reference for S135, S150 & G360CA axles.
Got a tool idea? Call Ohio’s premier heavy-duty drivetrain rebuilder at 419-522-3320