Brands: Twin Disc

Unleash peak performance for your marine vessel. Download the Palmer Johnson Marine Linecard.

A common request we see when working on gearbox and hydraulic pump drive projects is that customers want the ability to connect their gearbox/pump drive with a tractor PTO shaft. The issue is that many manufacturers of pump drives & gearboxes do not offer this as an option, or if they do, it has ridiculously long lead times and a very high price.

Tired of waiting for "24/7 support" that vanishes after business hours? We're different. Your mission-critical equipment deserves the best, and that means consistent, expert help whenever you need it. Unlike others, we don't turns off our expert service on the weekends. Our highly-trained team is here for you 24/7/365, ready to tackle any issue that arises. We keep your business running smoothly, around the clock.

In this Twin Disc video Understanding Electric Hybrid System Modes they showcase Diesel + Electric Motor with Energy Storage and how it works. 

Power Progress article from February 2024 highlighting HM Transfluid Hybrid Transmission supplied by Palmer Johnson.

Industry leader strengthens commitment to marine market by joining national association, highlighting expertise in hybrid solutions.

Find Marine Data Application Sheets for Twin Disc, Hamilton Jet, Jastram, and Transfluid / Bellmarine. 

Palmer Johnson Power Systems proudly supported this project, providing the Twin Disc MG5091DC transmissions and EC300 Propulsion Control System.

Palmer Johnson Power Systems proudly supported this project, providing the Twin Disc MGX6599SC transmissions with a custom ratio.

We are proud to announce the addition of Precision Marine Power, Inc. as a new Twin Disc Service Dealer in Hawaii.

Austin discusses what information is needed when starting a new application pump drive or gearbox.

Austin discusses what information is needed when you are 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 that is on the existing unit.

Austin discusses Twin Disc’s new rear engine power take-off (REPTO), AM080, and how this REPTO can provide benefits to new machine builds.

Austin discusses what sets Palmer Johnson Power Systems apart when looking for a supplier of hydraulic pump drives.

Jeff tackles a common topic when working with hydraulic pumps and mounting them with hydraulic pump drives and other power transmission units. It's the topic of the differences between a 2-bolt mount and a 4-bolt mount.

Jeff tackles a common question that we receive here at Palmer Johnson Power Systems, “How do you measure the SAE size of a hydraulic pump spline?”

Jeff tackles a common question that we receive here at Palmer Johnson Power Systems, “How do you measure the SAE size of a hydraulic pump pad?”

Palmer Johnson Power Systems proudly supported this project, providing the Twin Disc MGX516 Marine Transmission and Transfluid Hybrid System. This article was originally published on NationalFisherman.com

In this video, our service technician, Johnny, details how to tell the difference between the on/off solenoid valve and the proportional solenoid valve on the Twin Disc 8500 series transmission.

In this video, our service technician, Johnny, details top troubleshooting tips for Twin Disc 8500 series transmissions and the accompanying 23000 series torque converter.