Wheel Horse tractor identification specification by year

These digital manuals cover specifications for various models from 1955 to 1984, spanning 14 pages. Here's a sample of the content:

• Model: 604
• Year: 1964
• Type: Lawn & Garden Tractor
• Transmission: 4-Speed
• Engine: Tecumseh H60-75064B
• Wheels: 6
• Manufacturer: Wheel Horse 5046

• Model: 654
• Year: 1964
• Type: Lawn & Garden Tractor
• Transmission: 4-Speed
• Engine: Tecumseh H60-75063B
• Wheels: 6
• Manufacturer: Wheel Horse 5049

• Model: 704
• Year: 1964
• Type: Lawn & Garden Tractor
• Transmission: 4-Speed
• Engine: Kohler K161T-28937E
• Wheels: 7
• Manufacturer: Wheel Horse 5046