4BY3-180 (Z) - YANMAR Marine International Skip to content
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4BY3-180 (Z)

Specifications

Rated output
132 kw / 180 mhp
Rated Speed
4000 rpm
Displacement
1.995 L / 121.7 cu. in
No. of cylinders
4 cylinders
Cylinder Bore x Stroke
84 mm x 90 mm / 3.31 in x 3.54 in
Combustion system
Direct Injection, Bosch Common Rail System
Aspiration
Turbocharged & Intercooled
Alternator
12V - 150A
Dry weight without gear
263 kg / 580 lbs
Dimensions
949 mm x 767 mm x 713 mm
Controls
Classic (Hybrid) & Unlimited (Electronic)
Certifications
RCD 2 EPA Tier 3 BSO II EMC

NOTE:
1 kW = 1.3596 mhp = 1.34102 bhp
Fuel condition: density at 15°C = 0.842 g/cm³
Technical data is according to (ISO 8665) / (ISO 3046)
Fuel temperature 40°C at the inlet of the fuel injection pump (ISO 8665)
Dimensions shown with KMH41A gearbox and L-type elbow
Sterndrive model dimensions (does not include sterndrive) (870mm x 770mm x 785mm)
(Dimensions may vary with other gears/elbow)

Performance Curves

4BY3-180 power performance curve
4BY3-180 power performance curve
4BY3-180 torque performance curve
4BY3-180 torque performance curve
4BY3-180 fuel performance curve
4BY3-180 fuel performance curve

Technical Drawings

4BY3-150/180 with KMH40A
4BY3-150/180 with KMH40A
4BY3-150/180 with KMH40A
4BY3-150/180 with KMH40A
4BY3 150 180 ZT front
4BY3 150 180 ZT front
4BY3-150/180 with ZT370
4BY3-150/180 with ZT370

Packages

Standard Engine Package

  • Single pole, 150A Alternator
  • Exhaust mixing elbow [L-type]
  • Automatic glow-plug controller
  • Flexible mounts
  • Analogue throttle with redundancy function

Optional Accessories

  • High-riser mixing elbow [instead of L-elbow]
  • Exhaust-side 2nd dipstick
  • Electric gearshift
  • Trolling on gearbox [mechanical and electrical]
  • NMEA2000 digital display

Specification Datasheet

4BY3 Series - PDF
4BY3-Z Series - PDF

Technical Drawings - Bobtail

4BY3 Series Bobtail - PDF
4BY3 Series Bobtail -DFX
4BY3-180 Bobtail - STP

Technical Drawings - Gear

4BY3 Series x KMH40A - PDF
4BY3 Series x KMH40A - DFX
4BY3 Series x KMH40A - STP
4BY3-180 x KMH41A - PDF
4BY3-180 x KMH41A - DFX

Technical Drawings - Sterndrive

4BY3 Series x BRAVO3 - PDF
4BY3 Series x BRAVO3 - DFX
4BY3-180Z x BRAVO3 - STP
4BY3 Series x ZT370 - PDF
4BY3 Series x ZT370 - DFX
4BY3-180Z x ZT370 - STP