Weichai 6M21 series marine diesel engine (599-735kW)

kW:599 – 735 RPM: 2300 Duty: Intermittent, Light, High Performance Emissions: IMO II / EPA 3

Product Features:

Rating

Duty	HP	kW	RPM
Intermittent \|P3\|	815	599	2300
Light Duty \|P4\|	900	662	2300
High-Performance Duty \|P5\|	1000	735	2300

Engine Data

Cylinders	6
Bore & Stroke (mm)	127 x 165
Total Displacement (L)	12.5
Engine rotation	Counterclockwise
Idle Speed (RPM)	700
Flywheel Housing	SAE 1
Flywheel	SAE 14″

Emissions

IMO II / [EPA 3 Coming Soon]

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Details

Parameters Table

Type	Four-stroke, water cooled, in-line, dual stage turbocharged and intercooled	Number of cylinders	6
Bore & stroke	127×165 (mm)	Displacement	12.54 L
Oil consumption rate	≤0.3 g/kW.h	Noise	≤100 dB(A)
Minimum fuel consumption rate	198 g/kW.h	Idle speed	700 r/min
Rotation (facing the flywheel)	Counter-clockwise	Net weight	1450 kg
Dimensions (L×W×H)	1670×1100×1075 (mm)

Model Portfolio Table

Series	Model	Aspiration	Rated power kW/Ps	Speed r/min	Fuel system	Emission	Power rating
6M21	6M21Y815-23E200	Dual TA	599/815	2300	HPCR	IMO Ⅱ / EPA III	P3
	6M21Y900-23E200	Dual TA	662/900	2300	HPCR	IMO Ⅱ / EPA III	P4
	6M21Y1000-23E200	Dual TA	735/1000	2300	HPCR	IMO Ⅱ / EPA III	P5

Remark: The delivery date of products marked with * shall be subject to the reply of the manufacturer. Product parameters and model portfolio are for reference only. Please contact relevant personnel for official information on delivery time and fishing boat model portfolio.

Product description

Safe and reliable

The high-strength design of structural parts such as engine block, piston and bearing bush ensures the reliability of diesel engine under high explosion pressure
Using the global excellent supplier system of Weichai, the quality of parts is reliable
Both cooling and lubrication systems have emergency interfaces
Perfect self-diagnosis system, perfect failure protection mode, and safe control strategy
Replace the filter without stopping

Strong power

Accurate control by electronic control units, high injection pressure, small fluctuation of rotating speed, and strong power
High torque range is wide, quick response, and fast speed increase
Constant power in high speed range

Economical and fuel-efficient

The fuel injection law is optimized, the fuel injection pressure, fuel injection quantity and fuel injection time are accurately controlled, the fuel is fully atomized, and the minimum fuel consumption rate is 193g/kW•h
Customized design for lower fuel consumption

Comfortable and environmentally friendly

It can realize multiple injections such as pre-injection and post-injection, and the noise and vibration are reduced by 20% compared with the mechanical pump system
Emission complies to IMO Tier II and EPA III

Strong practicability

LCD Internet instruments, vibration isolators, and hand-pressed oil well pumps can be equipped to meet the requirements of different customers
Modular design, compact structure, convenient engine room layout
Convenient maintenance, beautiful compact appearance
Different control strategies are adjusted according to different performance requirements
Receive/output various control signals, which meet the requirements of automation control