MG 507 Twin Disc Marine Transmission Parts

-
Select Parts Category

Parts for Twin Disc MG507

Purchase premium twin disc MG507 marine transmission parts online now at Diesel Pro Power. Equally suitable for replacements or upgrades, our twin disc MG 507 parts collection includes heavy-duty, high-performing options ranging from oil pumps, gauges, and filters to marine pumps, cables, controls, and much more. Browse our trusted selection of twin disc MG 507 parts and gear today, plus our related Twin Disc Transmission parts for alternative transmission types.

Detroit Diesel engines are some of the most powerful marine engines on the market. With one of these engines in your boat, you can spend hours on the water and still have enough power to get back at the end of the day. Some boat owners even use Twin Disc replacement parts in house boats, sailboats and other boats designed for spending long days and nights on the water. When you need replacement parts to keep your boat running at top speed, Diesel Pro Power should be your first stop.

No matter what type of Twin Disc MG507 marine transmissions part you need, you can find it from Diesel Pro Power. Shop for everything from gasket sets and overhaul plates to rubber blocks and seals. Rubber blocks and seals keep water out of the transmission and other parts of the engine to ensure that your motor always delivers the power that you need. You'll also find Twin Disc engines are some of the most powerful marine engines on the market. The MG507 model features near coaxial aluminum housing, a mechanical control valve and an oil strainer, all of which make it a reliable engine choice. With a Twin Disc MG507 engine in your boat, you can spend hours on the water and still have enough power to get back at the end of the day. Some boat owners even use Twin Disc replacement parts in houseboats, sailboats and other boats designed for spending long days and nights on the water.

Having the right replacement parts on hand for your boat ensures that your boat is always ready for the open water and that you can head off whenever you want. When you need replacement parts to keep your boat running at top speed, Diesel Pro Power should be your first stop. We have the boat parts you need at cost-effective prices. Browse our selection today and contact us for more information.

Twin Disc MG507 Parts

No matter what type of Twin Disc MG507 marine transmission part you need, you can find it from Diesel Pro Power. With parts for all engines, you can always find the right part for your boat. Shop Twin Disc MG507 parts such as:

Overhaul plate kit: We have kits for your overhaul plate and gasket as well as related parts like mechanical or electrical oil pressure gauges.
Gasket set: Our gasket set has the gaskets, front and rear seals and rings you need for your engine repair.
Plate: Get a clutch plate or disc plate for the engine transmission.
Ring gear & rubber blocks: Rubber blocks and seals keep water out of the transmission and other parts of the engine to ensure that your motor always delivers the power that you need. We also have ring drives with housing size SAE #2.

Diesel Pro Power's online store has everything from oil pumps and marine ables to rubber bearings and dipsticks. You'll also find gauges, gaskets, strainers and other Twin Disc MG507 marine transmission parts.

Why Order Twin Disc MG507 Transmission Parts From Diesel Pro Power?

Diesel Pro Power is a leading online retailer for marine transmission parts and more. When you place an order, you will get more than just the quality parts you need. Advantages of choosing Diesel Pro Power include:

Easy to navigate website: Our website is designed to make it easy to find the engine part you need and place your order quickly.
Excellent customer service: Diesel Pro Power values every customer and is committed to excellent customer service. Whatever you need, we will help. When you contact us today, our friendly representatives will provide more information, answer your questions and direct you to the best solution.
Great reviews: We are the trusted dealer for Twin Disc MG507 transmission parts and more. Don't take our word for it — read our five-star reviews on Google!
Over 15,000 satisfied customers: We have more than 15,000 dedicated customers across the United States and around the world. Diesel Pro Power believes in building relationships with each customer, not just completing transactions.
24-hour worldwide shipping: In addition to offering a wide range of parts for Twin Disc engines, Diesel Pro Power also offers fast shipping. Your order will go out within 24 hours after placement, which ensures that your replacement parts get to you as fast as possible. You'll also find that the company can ship anywhere in the world. Even if you're on vacation and have a problem with your boat, you can request delivery to a local address and get the parts that you need.

We also offer assistance with your boat maintenance, including a troubleshooting checklist for Twin Disc MG507 marine transmission. This guide covers possible trouble areas, causes of the problem and recommended actions to take. Using our checklist will help you determine which parts you need so you can be confident with your purchase.

Shop Parts for Twin Disc MG507 Today

From a wide range of parts to outstanding customer service, there is no boat engine parts dealer like Diesel Pro Power. We have the best parts for your Marine Transmission Twin Disc MG507, all at competitive prices. Browse through our selection of parts and place your order today.

If you have any questions or want more information, please fill out our contact form. You can also call us at 888-433-4735 (United States) or 305-545-5588 (International) Monday through Friday from 8 a.m. to 5 p.m. EST.

Marine Transmission Specifications & Applications of the Twin Disc MG507

Overview of the Twin Disc MG507 Marine Transmission

The Twin Disc MG507 is a mid-duty marine transmission designed for vessels that demand a balance of durability, compact form factor, and reliable hydraulic clutch performance. Frequently used in commercial fishing vessels, workboats, and recreational yachts, the MG507 offers smooth, consistent propulsion control while delivering power to marine propellers in high-cycle operating conditions.

With its rugged construction, available gear ratio options, and compatibility with SAE No. 2 and No. 3 housings, the MG507 is a trusted solution in applications where operational uptime and long-term dependability are key. Its optional down-angle configuration makes it ideal for repowers or new installations with tight clearance requirements.

Key Specifications of the Twin Disc MG507

Type: Marine transmission with hydraulic multi-disc clutch
Horsepower Rating (Approximate):

Continuous Duty: Up to 300 HP @ 1800 RPM
Intermittent Duty: Up to 400 HP @ 2300 RPM

Maximum Input Speed: 2500 RPM
Reduction Ratios Available:

1.51:1
1.93:1
2.48:1
2.96:1
3.52:1

Input Housing: SAE No. 2 or SAE No. 3
Flywheel Compatibility: 11.5", 14"
Clutch Type: Oil-cooled, hydraulically actuated multi-disc clutch
Cooling System: Oil-to-water heat exchanger standard
Lubrication System: Internal pressure-lubricated oil pump
Oil Capacity: Approximately 8–10 quarts
Dry Weight: 400–500 lbs (varies by configuration)
Mounting Options: Straight or optional down-angle
Rotation Compatibility: Bi-directional input (supports LH or RH rotation)
Optional Features:

Hydraulic or mechanical PTO
Trolling valve
Flexible or rigid mounts

Common Marine Applications for the MG507

The MG507 is ideal for vessels requiring a mid-range powertrain solution that balances torque, weight, and footprint. It is commonly found in:

Small Commercial Fishing Boats: Offers long-term durability and consistent power under shifting workloads.
Tour Boats and Water Taxis: Smooth clutch performance and low-noise operation make it perfect for passenger use.
Crew Transfer Vessels: Dependable for daily operation, even with frequent docking and undocking maneuvers.
Patrol and Utility Craft: Fast engagement and reliable down-angle compatibility support tight-space installations.
Recreational Yachts and Sportfishing Boats: Efficient for repowers or new builds in the 30–45 ft class.

Most Common Engine Models Paired with the Twin Disc MG507

The MG507 marine transmission pairs effectively with a wide range of mid-horsepower diesel engines. Its SAE No. 2 and 3 interface makes it a flexible choice across several popular engine brands.

Cummins Marine Engines

Cummins 6BT / 6BTA 5.9
Cummins QSB 5.9
Cummins QSB 6.7
These engines are a go-to pairing for the MG507 in workboats and recreational applications requiring 250–400 HP.

Caterpillar Marine Engines

Caterpillar 3116 / 3126
Caterpillar C7 (mid ratings)
Well-suited for commercial light-duty applications, including small tour boats and charter vessels.

John Deere Marine Engines

John Deere 4045TFM85
John Deere 6068SFM75
These engines pair well with MG507 transmissions in utility boats and fishing applications where torque consistency is key.

Yanmar Marine Engines

Yanmar 6LY2 / 6LY3 Series
Used in lightweight, high-speed marine platforms that benefit from the MG507’s compact size and smooth shifting.

Detroit Diesel Marine Engines

Detroit Diesel 6V53
Found in older commercial craft still in operation today, the MG507 is a solid option for repowering projects requiring a compatible down-angle or straight setup.

Advantages of the Twin Disc MG507

Reliable Mid-Duty Transmission: Balances performance, weight, and durability for light to moderate commercial duty cycles.
Smooth Engagement: Hydraulically actuated clutch ensures quiet and stable gear changes under load.
Compact Footprint: Suitable for engine rooms with tight clearance or retrofits requiring down-angle geometry.
Multiple Gear Ratios: Allows vessel-specific optimization for propeller size, speed, and thrust.
Strong Aftermarket Support: Easily maintained with replacement parts available from Diesel Pro Power.

Ideal Use Cases for the MG507

Vessel Type	MG507 Suitability	Comments
Workboats & Crew Vessels	Excellent	Reliable for daily duty cycles and docking maneuvers
Fishing Vessels (Inshore)	Excellent	Manages moderate propeller loads effectively
Tour Boats & Passenger Vessels	Excellent	Quiet and smooth clutching preferred in public-use vessels
Patrol and Harbor Craft	Excellent	Down-angle configuration helps in tight engine rooms
Tugboats or OSVs	Not Recommended	Use larger MG514 or MG520 series for higher torque loads