Used Yanmar 6LY2A-STP Marine Diesel Engine with ZF 280A Transmission (2:1) – Excellent RTO
This listing is for a used Yanmar 6LY2A-STP marine diesel engine paired with a ZF 280A transmission (2:1 gear ratio). The unit is in excellent ready-to-operate (RTO) condition and was removed from a vessel that underwent a full repower with new engines.
Engine & Transmission Details:
Engine Model: Yanmar 6LY2A-STP
Horsepower: 440 HP (approx.)
Configuration: 6-cylinder, turbocharged, intercooled
Cooling System: Heat exchanger cooled
Fuel Type: Diesel
Transmission: ZF 280A, 2:1 gear ratio – included in the price
Condition: Used, Excellent RTO – starts, runs, and shifts flawlessly
Previous Use: Removed from a well-maintained vessel during repower
Key Features:
Fully tested and in excellent operational condition
Starts and shifts smoothly
Compact, lightweight, and highly fuel-efficient
Ideal for commercial or recreational repower projects
Proven Yanmar performance and durability in marine environments
Perfect setup to replace tired engines or upgrade powertrain
Included in Price:
Yanmar 6LY2A-STP Marine Diesel Engine
ZF 280A Transmission (2:1 Ratio)
Optional Add-Ons (Not Included in Price):
Gauge panels
Wiring harnesses
Available upon request – please inquire for pricing and availability.
Additional Information:
This engine package is sold as-is, where-is
Test run and inspection available upon request
We’re happy to provide additional photos, videos, or engine serial numbers upon inquiry
Contact us today with questions, shipping inquiries, or to schedule a test run. We’re here to help you power your next marine project with confidence.