National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service: U.S. Department of the InteriorNational Park Service Arrowhead
 
 
Making America's Best Idea Even Better
Isle Royale National ParkScuba diver explores the rigs of a wreck.
view map
text size:largestlargernormal
printer friendly
Isle Royale National Park
Ranger III Statistics
Ranger III in dry dock
National Park Service
Ranger III in dry dock
 
Length 165'
Beam 34'
Depth 15' 1"
Draft 10' 6.5"
Load Displacement 835 short tons
Crew 6 to 9
Passenger Capacity 128
Cargo Capacities 100 tons dry
7,500 gallons of oil

750 cubic feet of
refrigerated and freezer
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,
55KW each
Crane 3.1 Ton Hydraulic @
30-foot boom
Areal view of the islans's Northeast end.  

Did You Know?
Ryan Island on Isle Royale’s Siskiwit Lake is the largest island on the largest lake on the largest island on the largest freshwater lake in the world.

Disclaimer Accessibility Privacy Policy FOIA Notices USA.gov

Last Updated: July 30, 2006 at 19:05 EST