• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Recent content by Rick U

  1. R

    Leaking Bevel gear seal

    SN# 9TS00378 Model# D3C
  2. R

    Leaking Bevel gear seal

    I have a D3C111 dozer. Oil been leaking from the Bevel Gear drive shaft yoke. Can I replace that seal underneath the dozer by taking off the drive shaft or do have to tear into by taking stuff off? Dozer been setting for a year and the oil was leaking setting there.
  3. R

    426 CAT transmission torque specs

    Thanks a lot! :) Rick
  4. R

    426 CAT transmission torque specs

    Thanks, Nige! Your help is so valuable and much appreciated!
  5. R

    426 CAT transmission torque specs

    I am putting back together a 6Y-2598 transmission for my 426 CAT Backhoe Series II serial #7BC-04514. I am unable to find torque specs for the transmission bolts anywhere. I appreciate any information you can provide on the torque specs for the bolts on that transmission. Thanks, Rick
  6. R

    426 Caterpillar repair manual (Transmission)

    Thank you heymccall too! greatly appreciated also.
  7. R

    426 Caterpillar repair manual (Transmission)

    Thanks Nige, Transmission repair manual is exactly what I needed! Took the back cover off and the reverse nut on the shaft had loosened up quite a bit; (the lock washer on the nut was broken in half) so the gear wasn't engaging the other gears. That's probably why I didn't have forward or...
  8. R

    426 Caterpillar repair manual (Transmission)

    Where to buy a 426 series 11 backhoe repair manual for the transmission that shows good details of the transmission? 7BC series.
  9. R

    426 Series 11 won't move

    I have a 426 Series II backhoe, 7BC-04514, that will not move forward or reverse. Neutralizer solenoid is working the way it should. My transmission is a 6Y-2598 The Pressure tests went as follows: Forward and Reverse clutch pressure 130 PSI Pump Pressure - 180 PSI Zero Pressure on torque...
  10. R

    Cat 426 series 11 Transmission won't move

    I have a 1992 Cat 426 Backhoe Series ll 7BC - 04514. Transmission 6Y-2598. It won't move in forward or reverse. Oil level is good, I changed the oil and filter, and checked the screen, it was clean with no debris. Checked transmission oil pressure was 120 psi forward and zero in reverse. The...
Top