Twin Disc MG5114A Marine Transmission Parts - Overhaul Plate Kit Section

Twin Disc MG5114A Marine Transmission Parts – Overhaul Plate Kit Section

The Twin Disc MG5114A overhaul plate kit provides the essential components required to restore the clutch system in this heavy-duty marine gearbox. The MG5114A transmission is built to handle significant torque loads in continuous-duty applications, making it a popular choice for workboats, commercial vessels, and industrial marine equipment. Over time, the clutch pack within the transmission—composed of friction and steel plates—wears down due to heat, hydraulic pressure, and constant engagement cycles. Replacing these components using a precision-engineered overhaul plate kit ensures the gearbox regains its factory performance, torque transfer capacity, and smooth shifting behavior.

The section also includes the gasket and seal kit for the MG5114A, designed to fully reseal the transmission after the clutch pack service. This combination of kits allows for a complete internal refresh—eliminating slippage, preventing oil leaks, and extending operational life while restoring consistent performance under all marine load conditions.

Overhaul Plate Kit for Twin Disc MG5114A Marine Transmission

The overhaul plate kit includes a full set of friction and steel plates designed to precisely match the MG5114A’s clutch pack configuration. These components are critical to the gearbox’s function, engaging and releasing torque from the engine to the propeller with hydraulic precision. Over time, friction material breaks down, and steel plates may glaze or warp from heat exposure, leading to slipping, loss of power, or harsh engagement.

Key Features:

• Complete clutch pack rebuild set with friction and steel plates machined to OEM specifications
  
  

• Engineered for correct pack height and compression clearance to maintain proper hydraulic balance
  
  

• Friction discs designed for optimal oil retention and heat dissipation, ensuring smoother engagement
  
  

• Precision steel plates hardened for durability and uniform torque distribution
  
  

• Manufactured for marine-grade performance under high-temperature, high-torque conditions
  
  

When to Replace the Overhaul Plate Kit:

• Delayed or rough engagement when shifting into gear
  
  

• Noticeable slippage during acceleration or under load
  
  

• Burnt odor or darkened transmission oil from overheated clutches
  
  

• Decrease in propulsion efficiency or responsiveness
  
  

• Routine replacement recommended during major transmission overhaul intervals
  
  

By replacing the overhaul plates, the MG5114A transmission regains the precise hydraulic control and clutch friction properties needed for seamless gear operation and consistent power delivery.

Gasket and Seal Kit for Twin Disc MG5114A Marine Transmission

The gasket and seal kit is designed to ensure complete hydraulic integrity throughout the MG5114A’s transmission case and internal components. Proper sealing prevents oil leaks and pressure loss, which are crucial for maintaining clutch engagement force and overall gearbox efficiency.

Key Features:

• Includes all necessary case gaskets, O-rings, and oil seals for full reseal coverage
  
  

• Constructed from oil-, heat-, and saltwater-resistant materials ideal for marine environments
  
  

• Maintains full hydraulic pressure to support consistent clutch operation
  
  

• Prevents cross-leaks between oil circuits, eliminating pressure fluctuations
  
  

• Compatible with angled-drive configurations, making it suitable for the MG5114A’s layout
  
  

When to Replace Gaskets and Seals:

• Visible oil leaks around the transmission housing or inspection covers
  
  

• Drop in oil pressure or erratic clutch engagement
  
  

• Evidence of moisture contamination or external seepage
  
  

• Recommended replacement whenever clutch components are serviced or replaced
  
  

Installing a new gasket and seal kit ensures leak-free operation, protects the newly installed overhaul plates from contamination, and maintains proper pressure balance inside the transmission.

Importance of Overhauling the MG5114A Transmission

The MG5114A transmission is engineered for rugged marine service but depends on the condition of its clutch pack and hydraulic sealing system for smooth, consistent performance. Overhauling the transmission using both the overhaul plate kit and the gasket and seal kit restores original clutch capacity, oil pressure stability, and internal cleanliness. A fresh overhaul eliminates slippage, prevents hydraulic inefficiency, and helps avoid costly breakdowns caused by worn components.

Benefits of a Full Overhaul:

• Restores original clutch strength and responsiveness
  
  

• Prevents slippage, overheating, and metal-to-metal wear
  
  

• Ensures hydraulic efficiency and pressure stability
  
  

• Reduces long-term maintenance costs and vessel downtime
  
  

• Extends the life of bearings, seals, and related internal components
  
  

Routine overhauls are a vital part of maintaining Twin Disc transmissions in continuous-duty service, especially for vessels that operate under heavy load or long daily cycles.

Installation and Maintenance Recommendations

• Always inspect the oil cooler and filtration system before reassembly to prevent contaminants from reaching the new clutch plates.
  
  

• Use only OEM-approved transmission oil to maintain correct friction properties and prevent premature wear.
  
  

• Verify all housing surfaces are clean and properly aligned before installing gaskets and seals.
  
  

• After reassembly, monitor oil pressure and temperature to confirm proper operation during initial sea trials.
  
  

Performing these steps ensures the MG5114A operates at peak efficiency after overhaul and reduces the likelihood of early component wear.

Why Buy Overhaul Plate Kits for the Twin Disc MG5114A from Diesel Pro Power

Choosing Diesel Pro Power for your Twin Disc MG5114A overhaul components ensures precision, reliability, and expert support backed by decades of marine experience. Diesel Pro Power supplies OEM-quality parts built for professional marine applications, trusted by operators and shipyards worldwide.

1. Exact MG5114A Compatibility
Every overhaul plate and gasket kit sold by Diesel Pro Power is designed specifically for the Twin Disc MG5114A, guaranteeing perfect fitment, correct pack height, and seal alignment with angled-drive configurations.

2. Marine-Grade Materials and Performance
Each component is manufactured from heat-resistant, oil-stable, and corrosion-proof materials, ensuring dependable service life in demanding marine conditions.

3. Complete Overhaul Solutions
Diesel Pro Power offers comprehensive rebuild coverage for the MG5114A, including overhaul plate kits, gasket sets, oil filters, bearings, and seals—everything required for a full mechanical restoration.

4. Proven Reliability Across the Industry
Trusted by over 40,000 marine professionals worldwide, Diesel Pro Power has built its reputation on delivering precision-fit Twin Disc parts with fast turnaround and guaranteed quality.

5. In-Stock Availability and Fast Global Shipping
All MG5114A components are in stock and available for immediate shipment, minimizing downtime and keeping your rebuild project on schedule.

6. Expert Technical Assistance
Diesel Pro Power’s marine parts specialists provide personalized guidance to ensure you receive the exact configuration and compatibility details for your MG5114A transmission—reducing guesswork and installation errors.

In Summary:
Rebuilding your Twin Disc MG5114A marine transmission with a new overhaul plate kit and gasket set from Diesel Pro Power restores its original performance, ensures leak-free operation, and prepares the gearbox for years of reliable marine service. Backed by OEM-level precision, global availability, and expert technical support, Diesel Pro Power delivers the quality and dependability marine professionals need to keep their MG5114A transmissions performing at their best.