For immediate Service, Call(800) 341-4334

What Information is Needed When Updating a Pump Drive or Gearbox Application

Austin discusses what information is needed when replacing a hydraulic pump drive or gearbox with a new one. The easiest way to begin this process is to email us pictures of the spec tag on the existing unit.

If the spec tag is missing, below is the information we will need to provide a quote for a replacement unit.

Below you can find the needed information, along with individual links to videos that show you how to measure the various SAE measurements that were discussed.

PJ Pump Drive ADS 0921

ADS PJ Pump Drive

SAE Standards Hydraulic Pump Pads Splines 2

SAE Standards - Hydraulic Pump Pads & Splines

SAE Housing Flywheel Specifications

SAE Housing & Flywheel Specifications

Needed Information:

  • Engine HP
  • Engine RPM
  • What is the application?
  • How many hours/day will the unit be in use?
  • Required ratio (if unsure, provide the tooth counts of the input & output gears)
  • Dipstick, yes or no?
    • If yes, how is it mounted? LH, RH or center mount?
  • Pump drive mounting position
  • How many output pads?

Input Information:


For each output location:


Quantity & When You Need it:

  • How many pump drives are you needing now?
  • How quickly do you need the pump drives?

Keep Reading

IMX2024

PJ News

Inland Marine Expo 2024

We'll be at the Inland Marine Expo (IMX) May 29-31 in Nashville, TN. Make sure to connect with Scott Cheek and Jeff Magusin while they're in town!
Read More

PJ News

Inland Marine Expo 2024

IMX2024
Read More

Tech Corner

Twin Disc Hybrid-Ready Marine Transmission

Hybrid Ready Marine Transmission
Read More

Tech Corner

Benefits of a Torsional Coupling for your Pump Drive or Gearbox Application

Torsional Coupling Benefits
Read More