Marine Diesel Engine Series

WP12 350-450 HP


  • Individual cylinder heads with honed liners
  • Spin-on type and duplex type oil filers
  • Fresh water-cooled lube and plate type oil coolers
  • Simple P-type inline injection pump
  • Duplex fuel filters fitted with water separator
  • High quality heat exchanger with expansion tanks
  • Five layers special metallic paint for long life against corrosion
  • High quality rubber hoses & clamps
  • Deep oil sump-extra operational care






Engine basic data
Marine Engine - WP12 Series

Engine Model WP12C350-18 WP12C450-21
Rated power (hp) 350 450
Rated power (kw) 257 330
Rated speed (rpm) 1800 2100
Rotating direction (Facing flywheel end) Anticlockwise
Bore X Stroke (mm) 126 x 155
Displacement (L) 11.59
No. of Cylinders 6 — Inline
Aspiration Turbochraged Aftercooled
Power output size SAE 1/14
Compression ratio 17:01
Emission standard IMO Tier II
Certification IRS/CCS/BV

Oil sump capacity (L) 29

Injection pump type/Standard configuration Mechanical pump

Starting system voltage 24V DC

Total Coolant capacity (L) 73
Recommended coolant specification premix with 50% Glycol

Net weight (kg)/Dry weight 1200
Length (mm) 1695
Width (mm) 858
Height (mm) 1385

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