1999 Maxum 4100 SCR

Key Highlights

• Twin Cummins diesel power

• Major drivetrain updates (2024–2025)

• Modern Raymarine electronics suite

• New A/C system (2026)

• Upgraded cockpit & entertainment features

• Professionally maintained with recent bottom job & detail

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Engine & Performance

Powered by twin Cummins 6BTA 5.9L diesel engines (330 HP each) — a highly regarded platform known for durability, fuel efficiency, and long service life.

Engine Specs:

• Twin Cummins 6BTA 5.9L inline 6-cylinder diesels

• 330 HP @ 2800 RPM  

• Turbocharged & aftercooled

• Direct injection fuel system

• 5.9L displacement (359 cu in)  

• Proven mechanical platform (easy to service, widely supported)

These engines are widely respected in both recreational and commercial marine applications for their reliability and strong mid-range torque.  

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Mechanical & Engine Updates

• After coolers replaced – May 2025

• All heat exchangers drained, flushed & new coolant – 2025

• Oil & transmission fluid service – October 2025

• Starboard transmission rebuilt – June 2024

• Port transmission replaced new – August 2025

• All (3) 8D batteries + generator battery replaced within last 2 years

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Electronics & Navigation (2021 Upgrade)

Installed by Joplin Marine Solutions:

• Twin Raymarine Axiom 12” touchscreen MFDs

• GPS with Navionics

• Side-scan sonar

• AIS system

• Radar

• Starlink antenna & receiver

• (2) VHF radios with MMSI & GPS

• Fusion cockpit entertainment system

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Deck & Cockpit Upgrades

• New cockpit upholstery – April 2025

• Transom shower installed

• New fenders & fender racks

• New shore power cable

• New icemaker & wet bar faucet – December 2025

• LED cockpit courtesy lighting – 2025

• Full camper canvas enclosure

• A/C cools cockpit comfortably in summer with enclosure on

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Ground Tackle

• New anchor windlass motor – October 2025

• New chain + 220’ of 5/8” rode

• Helm-mounted windlass remote

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Interior & Comfort

• New 16,000 BTU A/C (port side) – February 18, 2026

• New toilet seat – February 18, 2026

• Spacious cabin layout with ample seating and overnight accommodations

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Maintenance & Condition

• Professionally cleaned monthly

• Bottom job completed – July 2025

• Wet sand & buff – October 2025

Dunigan Marine Group is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Little Yacht Sales. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel

This 1999 Maxum 4100 SCR is a well-maintained and extensively upgraded express cruiser, offering a rare combination of mechanical reliability, modern electronics, and comfortable cruising features. With major service completed and thoughtful upgrades throughout, she is ready for immediate use!