Unused cummins 6bt 5.9l recon replacement diesel engine for sale. All complete mechanical engine with starter and alt., 6 cylinder, turbocharged. Large surplus purchase. 50 available. 30 day guarantee on the block and crank. No core charge exchange needed.




Peter Rogers –
Starts instantly every time, no hesitation
Ethan Howard –
Handles long hours on the water without any issues
Ryan Lewis –
Starts up clean and settles into a steady idle
Emily Hamilton –
It’s been a great upgrade from my previous engine
Melissa Alexander –
Build quality feels solid and made for tough marine conditions
Stephen Wright –
No overheating problems even after extended use
Harold Murphy –
Even at higher speeds, it remains stable and controlled
Timothy Sanchez –
Very satisfied with the reliability and consistency
Jack Phillips –
It performs just as well on long journeys as it does on short trips
Eugene Perry –
Provides a comfortable and quiet ride
Justin Green –
Fired it up for the first time and it ran smooth right out of the box, very impressed
Andrew Moore –
It’s been working perfectly since day one
Michelle Myers –
Very dependable engine that gives me confidence on every trip
Jacob Robinson –
The performance has exceeded my expectations
Rebecca Diaz –
The noise level is low, especially at cruising speed
Victoria Owens –
The engine performs well under different conditions
Jonathan King –
Provides excellent control in tight maneuvering situations
Eric Allen –
Very dependable engine that gives peace of mind offshore
Samantha Sullivan –
The efficiency really makes a difference over time
Gabriel Hughes –
Great for both casual use and longer trips
Keith Cooper –
Idles clean with minimal vibration, feels well built
Ronald Harris –
I noticed an immediate improvement in speed and handling
Jesse Kelly –
I like how quickly it responds when accelerating
Carl Bailey –
It’s been reliable every time I take the boat out
Billy Bennett –
Starts up quickly even in cooler conditions
Hannah Jordan –
Fuel consumption is reasonable for the power it delivers
Dylan Coleman –
Works great in both calm and slightly rough conditions
Walter Morgan –
It’s quiet enough to enjoy conversations while cruising
Austin James –
Handles load well without struggling
Jordan Barnes –
Very happy with the overall performance
Frank Carter –
No complaints at all, it does exactly what I need
Donald Anderson –
Provides strong and steady power throughout
Robert Smith –
Everything about it feels solid and dependable
Stephanie Griffin –
It’s a dependable option for everyday use
Ralph Ross –
The engine feels solid and built to last
Jose Collins –
Acceleration is smooth but strong when you need it
Noah Brooks –
The torque is impressive, especially when carrying heavy loads
Deborah Russell –
Maintenance has been simple and straightforward so far
Gary Walker –
Strong performance without being overly loud
Sean Gray –
Super easy to start, even after sitting for a while
Christopher Martinez –
It’s been running perfectly since day one
Jessica Simmons –
It’s been a solid and reliable addition to my boat
Olivia West –
Very impressed with how stable it is at higher speeds
Gregory Mitchell –
Acceleration is quick and responsive, makes getting on plane effortless
Kevin Lee –
Very satisfied with how it performs overall
Tyler Evans –
The engine performs exactly as expected
Joe Watson –
Everything about it feels dependable
James Anderson –
Easy to operate, even for beginners
Samuel Nelson –
Throttle response is sharp and very easy to control
Katherine Wallace –
I appreciate how reliable it has been so far
Steven Thomas –
Throttle response is smooth and very easy to control
Amanda Bryant –
Strong torque and great acceleration, gets the boat moving quickly even when loaded
Raymond Perez –
Runs quietly compared to my previous setup, much more enjoyable on the water
Douglas Sanchez –
I’ve been using it regularly and it hasn’t let me down
Michael Johnson –
The engine is efficient and powerful at the same time
Aaron Edwards –
The power output is strong and consistent throughout
Anthony Gonzalez –
Works well even when the boat is fully loaded
Angela Ford –
I trust it completely when going out on the water
Lawrence Ramirez –
Very comfortable ride thanks to low vibration
Joshua Jackson –
The throttle control is precise and responsive