Ranger III Specs

Ranger III ferry carrying cargo while approaching a lift-bridge
A Cargo Filled Ranger III Approaches the Portage Lake Lift Bridge

NPS / Molly Cooper

 

USNPS RANGER III

MISSION: Logistical Support of Isle Royale National Park


PRINCIPLE CHARACTERISTICS
Length 165 feet
Beam 34 feet
Depth 15 feet 1 inch
Draft 10 feet 6.5 inches
Load Displacement 835 short tons
Crew 6 - freight, 9 passenger
Passenger Capacity 128
Cargo Capacities 100 tons dry
7,500 gallons of oil

650 cubic feet of
refrigerated and freezer



OPERATING MACHINERY
Main Engines 2 Caterpillar 3508 B;
850 BHP @ 1200 RPM
Propellers 2 Bird-Johnson Controllable
Pitch, 76" Diameter
Bow Thruster 250 HP/Hydraulic
36" diameter fixed pitch
Power Generators 2 Caterpillar 3304,
55 KW
Crane 3.1 Ton Hydraulic
30-foot boom

Last updated: October 24, 2019

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800 East Lakeshore Drive
Houghton , MI 49931

Phone:

906 482-0984

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