LD6B/LD6A Series Fire Pump Diesel Engine
140-270 HP Fire Fighting Pump Drive
LD6B/LD6A Series Fire Pump Diesel Engine
Product Overview
The LD6B/LD6A series fire fighting pump diesel engines are 6-cylinder engines rated at 2900 r/min, covering 140-270 HP (105-200 kW) with a fitting pump set power of 110-220 HP. Designed by Yuchai technology and sharing its parts system, the series delivers dependable mid-to-high range power for demanding fire pump applications.
Key Features
- 6-cylinder engines designed at 2900 r/min, covering 140-270 HP, fitting pump set power 110-220 HP
- Designed by Yuchai technology and shares its parts system
- Rated power tested by factory per China standard method (without radiator)
- High-quality components for stronger, more durable power output
Technical Specifications
| Model | Rated Power/Speed (kW/r/min) | Intake | Cylinders-Bore×Stroke (mm) | Displacement (L) | Min Fuel Consumption (g/kW·h) | Oil Capacity (L) |
|---|---|---|---|---|---|---|
| LD6B140Z | 105/2900 | Turbocharged | 6-105×125 | 6.5 | ≤200 | 15-17 |
| LD6B170Z | 125/2900 | Turbocharged | 6-105×125 | 6.5 | ≤200 | 15-17 |
| LD6B205L | 150/2900 | Turbocharged & Intercooled | 6-105×125 | 6.5 | ≤200 | 15-17 |
| LD6B240L | 175/2900 | Turbocharged & Intercooled | 6-105×125 | 6.5 | ≤200 | 15-17 |
| LD6A270L | 200/2900 | Turbocharged & Intercooled | 6-108×132 | 7.3 | ≤200 | 15-17 |
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
Performance curve shown for LD6B240L, a representative model of this series.
| Engine Speed (r/min) | Power (kW) |
|---|---|
| 2900 | 175 |
| 2700 | 168 |
| 2500 | 165 |
| 2300 | 155 |
| 2100 | 145 |
| 1900 | 136 |
| 1700 | 128 |
| 1500 | 109 |
| 1300 | 88 |
Applications
- Fire pump set drive
- Fire truck pump drive
- Fixed fire protection systems
- Industrial and municipal fire protection