Yanmar 4LHA-STP User Manual

Chapter 1 General
2. Specifications
4LHA Series
Engine Model
4LHA-DTZE 4LHA-DTE
Type
Vertical 4-cycle water cooled diesel engine
Combustions system
Direct injection
Aspiration
Turbocharger with air cooler
Number of cylinders
4
BoreXstroke
mm (in.)
100X110(3.94X4.33)
Displacement
i (cu.in.)
3.455(210.82)
One hour
rating output
( DIN6270B)
Output
/crankshaft speed
kW/rpm
(HP/rpm)
140/3300
(190/3300)
One hour
rating output
( DIN6270B)
Brake mean
effective pressure
MPa
(kgf/cm*)
1.47
(15.0)
One hour
rating output
( DIN6270B)
Piston speed
m/sec(ft/sec)
12.10(39.70)
Continuous
rating output
(DIN6270A)
Output
/crankshaft speed
kW/rpm
(HP/rpm)
116/3100
(158/3100)
Continuous
rating output
(DIN6270A)
Brank mean
effective pressure
MPa
(kgf/cm*)
1.29
(13.2)
Continuous
rating output
(DIN6270A)
Piston speed
m/sec(ft/sec)
11.0(36.09)
Compression ratio
15.8
Fire order
180° 180° 180° 180°
1-3-4-2-1
Fuel injection pump
Inline type,
YPES-4AL
Fuel injection timing (b.T.D.C)
degree 12° ± 1°(FID)
Fuel injection pressure
MPa(kgf/cm2)
24.5
+0
0
98
(250+10)
Fuel injection nozzles
Hole type
model YDLLA-PL
Direction of rotation
Crankshaft
Counter-clockwise viewed from stem
Direction of rotation
Propeller
shaft
Clockwise or counter clockwise
Power take off
Full power flywheel side
Cooling system
Fresh water : Centrifugal pump
Sea—water : Rubber impeller pump
Lubrication system
Forced lubrication with trochoid pump
(2pump type)
Starting
system
Starting motor
DC 12V,2.5kW
Starting
system
AC generator
12V,80A
Turbo-charger
Type
RHC61W
(IHI make)
Turbo-charger
cooling system
Water cooling
Air cooler System
Type
Sea—water cooled, plate fin type
Lubricating oil capacity min./max.
i (quart) 5/13(5.29/13.74)
Cooling
water capacity
(Fresh water)
Fresh water tank
£ (quart)
15(15.9)
Cooling
water capacity
(Fresh water)
Sub tank
£ (quart)
0.8(0.85)
Engine lube oil requirement
A.P.I CD Class
Fuel recomended
Diesel fuel Cetane value :over 45
Idle speed Low/High
rpm
750/3700
1-9

Yanmar 4LHA-STP Specifications

General

Number of Cylinders	4
Fuel System	Direct Injection
Engine Type	4-Stroke Vertical Water-Cooled Diesel Engine
Displacement	3.455 L
Bore x Stroke	100 mm x 110 mm
Aspiration	Turbocharged