Skip to main content

LD6W Series Fire Pump Diesel Engine

300-350 HP Fire Fighting Pump Drive

LD6W Series Fire Pump Diesel Engine

Product Overview

The LD6W series fire fighting pump diesel engines are 6-cylinder large-displacement engines rated at 2900 r/min, covering 300-350 HP (221-258 kW) with a fitting pump set power of 230-300 HP. As the top of the fire pump engine line, the series powers high-capacity fire pump sets that demand strong, sustained output.

Key Features

  • 6-cylinder engines designed at 2900 r/min, covering 300-350 HP, fitting pump set power 230-300 HP
  • Large 9.4 L displacement for strong, sustained power delivery
  • Rated power tested by factory per China standard method (without radiator)
  • High-quality components for stronger, more durable power output

Technical Specifications

ModelRated Power/Speed (kW/r/min)IntakeCylinders-Bore×Stroke (mm)Displacement (L)Min Fuel Consumption (g/kW·h)Oil Capacity (L)
LD6W300Z221/2900Turbocharged6-126×1259.4≤20018-25
LD6W350L258/2900Turbocharged & Intercooled6-126×1259.4≤20018-25

Series common specifications: direct injection, vertical, inline, 4-stroke; water cooled; electric starting, 24V; noise limit ≤102 dB(A); meets the 4-hour continuous operation standard for fire fighting duty.

Performance Curve

LD6W350L performance curve

Performance curve shown for LD6W350L, a representative model of this series.

Engine Speed (r/min)Power (kW)
2900260
2700257
2500251
2300242
2100233
1900219
1700195

Applications

  • Fire pump set drive
  • Fire truck pump drive
  • Fixed fire protection systems
  • Industrial and municipal fire protection

Interested in this product?

Contact us for more information and customized solutions

Contact Us