1. The John Deere 640L, 648L, 748L Skidder TM13134X19 is a top-of-the-line skidder designed for heavy-duty logging operations. This model comes with a free online manual, making it easy for operators to access important information and maintenance instructions at their convenience. With John Deere's reputation for quality and durability, this skidder is sure to provide reliable performance in the toughest of conditions.