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MGX-6620A

Standard Equipment

  • Vertical offset, aluminum housing
  • 10° down angle on output shaft
  • Electric GP-valve with manual override
  • EC050 Profile module – interface for engagement signals
  • Integral oil cooler for raw water cooling
  • Oil strainer and oil filter

Options

  • SAE J617 housing no. 1
  • SAE J617 housing no. 0
  • Flexible coupling for 14” flywheel (SAE J620 size 355)
  • Flexible coupling for 18” flywheel (SAE J620 size 460)
  • Input flange for freestanding installation
  • EC050 E-Troll module – interface for engagement & trolling signals
  • Harness with single point interface to Twin Disc EC300 control system
  • Output shaft driven trailing pump
  • Companion flange/ bolts set
  • Monitoring devices to customer’s specification
  • Mounting brackets
  • Live PTO
    • SAE J744 size 101-2, 25-4 (SAE “B-B”, 2-bolt) – max. 337 Nm
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt) – max. 600 Nm
  • Hydraulic Clutchable PTO
    • SAE J744 size 127-4, 32-4 (SAE “C”, 4-bolt) – max. 600 Nm
  • Secondary live PTO for power steering pumps
    • SAE J744 size 101-2, 22-4 (SAE “B”, 2-bolt) – max. 75 Nm or
    • SAE J744 size 82-2, 16-4 (SAE “A”, 2-bolt) – max. 75 Nm

INPUT RATINGS – KILOWATTS (KW) (HORSEPOWER (HP))*

For service classification definitions and important notes refer to the Twin Disc Marine Product Guide or contact Twin Disc directly.

Reduction Ratios Pleasure Craft Light Duty Intermediate Duty Medium Duty Continuous Duty
:1 @ 2300 RPM @ 2300 RPM @ 2100 RPM @ 1800 RPM @ 1800 RPM
1.55, 1.72, 2.09

1566 kW

(2100 hp)

1417 kW

(1900 hp)

1234 kW

(1655 hp)

1021 kW

(1369 hp)

950 kW

(1274 hp)

2.28, 2.42

1145 kW

(1535 hp)

943 kW

(1265 hp)

833 kW

(1117 hp)

2.73

1504 kW

(2017 hp)

1330 kW

(1784 hp)

1014 kW

(1360 hp)

835 kW

(1120 hp)

780 kW

(1046 hp)

* Ratings shown for use with standard right hand rotation engines. The maximum allowable rated engine speed is 2500 rpm.

DIMENSIONS & WEIGHT

Vertical Offset Down Angle
C 316 mm (12.44”)
S 184 mm (7.25”)
F 653 mm (25.71”)
L 340 mm (13.39”)
R 340 mm (13.39”)
A 10°
Weight 580 kg *

* dry weight, including SAE #0 housing and SAE 460 flexible coupling

Specifications subject to change without prior notice in the interest of continual product improvement. Contact your local Twin Disc representative for engineering specifications, Survey Society Approvals and Classifications.

Publications:

Description Download
Product BulletinPDF
Marine Product GuidePDF
Marine CapabilitiesPDF
QuickShift® BrochurePDF