Konrad 520 Stern Installation & Operational Specifications

Application
Recreational or Commercial

Corrosion Protection
Multiple anodes, all castings chromatized and layered with powder coatings

Engine Drive Shaft
Mounting flange available for several types of transmissions

Exhaust
None through the stern drive

Gear Ratios
1.43:1, 1.57:1, 1.79:1, and the 2.0:1 is available by special order

Lubrication
Full immersion, seven quarts with external reservoir

Propeller
Up to 508 mm (20 in) diameter

Rotation
Operates in either right or left hand rotation

Steering Angle
40° range

Torque Rating
Up to 1000 Nm (738 lb. ft.) input for recreational, lower for commercial applications

Torsional Coupling
Compact torsional coupling design reduces vibrations for quieter performance

Transmission
Reversing transmission required

Transom Mounting
Template available

Transom Requirements
14° angle nominal, 6.4 mm - 57.2 mm (1/4 in - 2-1/4 in) thick

Trim/Lift System
Approximate –6° to +10° trim, twin cylinders with electrohydraulic pump. Approximate 40° of total lift range

Warranty
Standard Warranty

Water Pickup
None through the stern drive