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PROPULSION UPDA TE ZF Announces Improvements In Four Marine Transmissions ZF of North America has an- nounced reliability and horsepower capacity improvements in four of its marine transmission models. The input torsional couplings on the transmissions are now attached to the input shaft by means of an SKF® keyless taper. This design modification improves the reliabili- ty and increases the horsepower ca- pacity of the transmissions. The improvements have been made to the IRM 301 PL-2, IRM 301 A-2, IRM 320 PL-1 and IRM 320 A-l transmissions. All four transmissions are de- signed for high-performance, plan- ing hull vessels in private use, such The IRM 301 A2 marine transmission from ZF of North America is rated for engines up to 490 bhp. as sport fishing boats, express cruis- ers and other high-horsepower-to- weight applications. All are rated for continuous, medium, light and pleasure craft duty cycles for diesel engines. The IRM 301-A-2 is rated for engines up to 490 bhp; the IRM 301 PL-2 for engines up to 543 bhp; the IRM 320 PL-1 for engines up to 707 bhp; and the IRM 320 A-l for engines up to 704 bhp. ZF, headquartered in Friedrich- shafen, West Germany, is a leading manufacturer of major power train components—gears, transmissions, pumps, axles and other drive sys- tems. ZF of North America is headquar- tered in Lincolnshire, 111. For more information and free lit- erature Circle 18 on Reader Service Card WHY "GAMBLE" WITH DEPENDABILITY . .. FERNSTRUM EFFICIENT ECONOMICAL KEEL COOLING X (906) 863-5553 Telex: 263-3493 FAX: 906-863-5634 is a "SURE THING"! • Safeguards Engine Performance • Factory-Tested • Computer-Designed to Your Specific Needs • Completely Assembled • Easy to Install Call or Write R. W. FERNSTRUM & CO. Menominee, Ml 49858 Circle 264 on Reader Service Card BOATBUILDING cfn-v DINNER CRUISE • EXCURSION • WHALE WATCHING GAMBLING • HOVERCRAFT • HIGH-SPEED APPLICATIONS FISHING VESSELS • OFFSHORE SUPPORT • TUGS & TOWBOATS EASTERN SHIPYARDS HAS THE FULL CAPACITIES AND FACILITIES COMBINED WITH LOW OVERHEAD COSTS TO BUILD OR CONVERT ANY TYPE OF VESSEL REQUIRED. PLEASE CALL OR FAX FOR DETAILED INFORMATION. i •1) EASTERN SHIPYARDS, INC. P.O. Box 1171 Panama City. FL 32402 (U.S.A.) TEL: (904) 871-4800 FAX: (904) 871-1889 Brian DMsernia, President Ken Munroe, Vice President Peter Unei, Technical Manager NEW ORLEANS OFFICES Energy Centre; Suite 2900 1100 Poydras Street New Orleans, LA 70163 TEL: (504) 58S-7326 FAX: (504) 585-7301 Charles Hall, M.E., Vice President, Marketing and Sales 0 DEL GAVIO MARINE HYDRAULICS, INC. SALES • SERVICE "CONSULTING • PARTS Complete Repairs On All Types of Electro Hydraulic Steering Systems and Deck Machinery Hydraulic Pump & Cylinder Rebuilding & Testing 24 Hour Service, Worldwide 207 West Central Ave., Maywood, N.J. 07607 Telephone: (201) 843-4700 Telefax: (201) 843-6470 Circle 228 on Reader Service Card New Thome Compaction Systems deliver more CRUNCH POWER! • Reduces waste up to 10:1 ratio into 51/2 cubic ft. block • Easy loading/removal— no bending • Solid state electronic operations • Needs only 6 sq. ft. of floor space • Built-in baling attachment • Warranteed • Safety engineered Call for FREE BROCHURE 1-800-233-6763 THORNE COMPACTOR SYSTEMS 14055 Grand Ave. Burnsville, Minnesota 55337 56 Circle 306 on Reader Service Card Circle 256 on Reader Service Card Maritime Reporter/Engineering News
