Original vintage Gray Marine Diesels instruction manual.

• Gray Marine Diesels Model 64-HN9
• Operation, maintenance, and parts list manual
• Covers 50-foot tank lighters
• Detroit Diesel Engine Division / General Motors Corporation
• Contract No. NObs 1372
• Unit Numbers 9001 to 19500 inclusive
• Bureau Numbers D-61950 to D-72449 inclusive
• Excellent collectible

Shows wear from age, storage, and use. Displays well overall and would make a fantastic addition to any collection.

Internal Storage Tracking: 15B