A 1999 Maxum 4100 SCR with Cummins diesel engines is a popular, well-regarded motor yacht known for its spaciousness and liveaboard comfort. These boats are often found with twin Cummins 6BTA 5.9 engines, and are frequently used for cruising, including trips like the Great Loop

Key Features and Characteristics:

• Spacious Layout:
• The Maxum 4100 SCR offers a large aft master stateroom, a spacious guest stateroom, and a full galley and salon, making it suitable for extended cruising or living aboard, according to yacht brokers. 
• Diesel Power:
• The Cummins 6BTA 5.9 engines (typically 330-370 HP) provide reliable and efficient power for cruising. 
• Comfortable Cruising:
• These boats are designed for comfortable cruising and ample space for relaxing and entertaining. 
• Well-Equipped:
• Many 1999 Maxum 4100 SCRs come with features like a generator, updated electronics, and updated systems. 
• Value:
• Depending on condition and location, these boats can be found at various price points, with some listed for under $100,000, according to Boat Trader.