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Refurbished Twin Disc MG5091SC Marine Gearbox. Very Perfect Condition and Ready to Install !!
Twin Disc MG5091SC Marine Transmission 2.95:1 Ratio
$4,825.00
Refurbished Twin Disc MG5091SC Marine Gearbox. Very Perfect Condition and Ready to Install !!
Refurbished Twin Disc MG5091SC 2.95:1 Ratio Marine Transmission
The Twin Disc MG-5091SC is a shallow-case, hydraulically actuated marine transmission with a 2.95:1 reduction ratio, designed for pleasure and commercial duty. It features helical gears, oil-cooled clutches, and a cast-iron housing, typically supporting up to 447 kW (600 hp) at 2300-2600 RPM for pleasure craft. The unit supports SAE #1 or #2 housings, 14"/11.5" flywheels, and offers optional PTOs.
SPECIFICATION
Model Series: MG-5091SC
Gear Type: Shallow Case (SC), Vertical Offset
Reduction Ratio : 2.95:1
Horsepower Ratings:
> Pleasure Craft : 447 kW (600 hp) @ 2300–2600 RPM
> Light Duty: Up to 418 kW (561 hp) @ 2300 RPM
> Continuous Duty: 242 kW (325 hp) @ 1800 RPM
Maximum Input Speed: 2600–3000 RPM (depending on duty cycle)
Dry Weight: 485 lbs (220 kg)
Input Housing: SAE #1 or SAE #2
Input Coupling: 14” (SAE 355) or 11.5” (SAE 290)
Rotation: Full reversing (allows same ratio forward/reverse)
Lubrication: Internal pressure-fed oil pump, approx. 10-12 quarts
Optional Features: Mechanical/Hydraulic Trolling Valve, SAE C Pump-mount PTO (live or clutchable), Oil Cooler
KEY FEATURES
SC Design: Shallow case configuration, optimal for straight-line shaft applications.
Helical Gears: Designed for quieter, smoother operation.
Maintenance: Features standard oil strainer and optional oil filter/cooler combinations
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