Yanmar 6LPA-STP2 (Z) / 6LPA-STC (Z) Marine Engine

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Manufacturer: Yanmar
The Yanmar 6LPA-STP2(Z) and 6LPA-STC(Z) are compact six-cylinder marine diesel engines designed for high-performance propulsion applications. Delivering 232 kW (315 mhp) at 3,800 rpm, the series combines turbocharged and intercooled performance with a lightweight installation profile. Multiple transmission arrangements and optional accessories allow the engine to support different vessel configurations, making it suitable for commercial boats and pleasure craft requiring responsive power and dependable operation.
Rated output232 kW / 315 mhp
Rated Speed3800 rpm
Displacement4.164 L / 254 cu. in
No. of cylinders6 cylinders
Cylinder Bore x Stroke94 mm x 100 mm / 3.7 in x 3.94 in
Combustion systemDirect Injection, 2-stage Injection
AspirationTurbocharged & Intercooled
Alternator12V - 80A
Dry weight without gear408 kg / 899 lbs
Dimensions1220 mm x 666 mm x 739 mm
ControlsMechanical
CertificationsRCD 1 IMO Tier 2 EPA Tier 2 BSO II EMC SOLAS

Performance Curves

6LPA-STP2 power performance curves
6LPA-STP2 power performance curves
6LPA-STP2 torque performance curves
6LPA-STP2 torque performance curves
6LPA-STP2 fuel performance curves
6LPA-STP2 fuel performance curves

Technical Drawings

6LPA-STP2 with KMH50A
6LPA-STP2 with KMH50A
6LPA-STP2 with KMH50A
6LPA-STP2 with KMH50A
6LPA-STZP2 with ZT370
6LPA-STZP2 with ZT370
6LPA-STZP2 with ZT370
6LPA-STZP2 with ZT370

Packages

Standard Engine Package

  • Exhaust mixing elbow [L-type]
  • Alternator 12V – 80A
  • Water separator

Optional Accessories

  • High-riser mixing elbow [instead of L-elbow]
  • Flexible mounts
  • B/C/D-type instrument panel
  • Extension wire harness [4m, 6m, 10m]
  • Dual harness [for 2nd station]
  • Sensor for VDO instrument panels
  • SOLAS including Certificate [factory fit only]
  • Air venting device for cooling water tank
  • Lub oil evacuation pump

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