AKSA Engine Technical Data
Diesel Engine Model – A4CRX46T
Basic technical data
Number of cylinders .. ... ... ... ... ... ... ... ... ... ... ...........................4
Cylinder arrangement ... ... ... ... ... ... ... ... ... ... ...........................In-line
Combustion Cycle . ... ... ... ... ... ... ... ... ... ... ... ...........................Four stroke, compression ignition
Cooling medium . ... ... ... ... ... ... ... ... ... ... ... ………....................Liquid
Method of air aspiration... ... ... ... ... ... ... ... ... ... .......................... Turbocharger
Compression ratio . ... ... ... ... ... ... ... ... ... ... ... ... …....................17:1
Bore... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ............................108mm
Stroke ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ............................125mm
Cubic capacity... ... ... ... ... ... ... ... ... ... ... ... ... ............................4.58litres
Direction of rotation... ... ... ... …………………………....................Anti-clockwise viewed on flywheel
Firing order ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ……................1-3-4-2 (1cyl furthest from flywheel)
Total weight (engine only)……………………….. ... ….................(dry) 420±20 kg
Overall dimensions
Height………………………………………………………………......1050mm.
Length…………………………………………………………………..1050mm
Width…………………………………………………………………….720 mm
Ratings
Steady state speed stability at constant load . ... ... ... ... ………....2.5%
Operating point
Engine speed . ... ..... ... ……………………………………………... 1800 rev/min
Engine power(gross)…………………………………………………...75kw (standby)
Static injection timing.. ... ... ... ... …………………………..... ... ... ..15~20℃A before the TDC
Sound level
Sound pressure level 1500 rev/min ... ... ... ... …………….. ... ... ...≤ 113 dBA
Test Conditions
Air temperature.... ... …………………………………………………...25 °C
Barometric pressure ... …………………………………………... ... .100kPa
Relative humidity ... ... ... ... ... ... ... ... ... ... ... ……... ... ... ... ... ... ..30%
Air inlet Restriction at maximum power (nominal) ……….. ... ..........≤ 5kPa
Exhaust back pressure (nominal)... ... ... ... ... ... ... ... ... ……….......≤ 6 kPa
Cooling system
Total coolant capacity: (engine only). ... ... …………….....................6litres
Maximum top tank temperature.........................................................99 °C
Thermostat operating range... ... ... ... ... ... ... ... ... ... ......................76~95 °C
Coolant intake size: . ... ... ……………………………….....................Φ46mm
Coolant outlet size: . ... ... ………………………………......................Φ46mm
Lubrication system
Lubricating oil type :………………………………………. ....................L-ECD 15W/40
Lubricating oil capacity: ……………………………………...................14 litres
Lubricating oil temperature maximum to bearings ... . …...................115°C
Oil Pressure @ Idle Speed................................................................≥98kPa
@ Governed Speed .....................................................294~490kPa
Maximum engine operating angles
Front up,front down/right side or left side............................................20°/15°
Fuel system
Fuel oil type ... ……………………………………..................................0# or 10#
Type of injection system ... ... ... ... ... ….... ... ... ... ... .........................Direct injection
Fuel injection pump ... ... ... ... ... ... ... ... ……………...........................4BB pump
Governor type ... ... ... ... ... ... ... ... ... ... ..... ... ... ... ........................... Mechanical
Electrical system
Alternator. ... .............................. ... ... ... ... ... ... ... .. ..........................12volts with integral regulator
Starter motor ... ………..………………………………...........................12volts
Recommended Battery Capacity..........................................................54Ah,460CCA,(1PCS)
Energy balance
Energy in fuel........................................................................................11318btu/min
Gross heat to power..............................................................................4228btu/min
Energy to coolant and oil.......................................................................3165btu/min
Energy to exhaust..................................................................................3650btu/min
Heart to radiation...................................................................................266btu/min
All data is based on :
--Engine operating with fuel corresponding to grade No.2-D per ASTM D975.
--ISO 3046, Part1, Standard Reference Conditions of:Barometric Pressure:100kPa(29.5in.Hg);
Altitude: 110m (361ft.); Air Temperature: 25°C (77° F) ; Relative Humidity: 30% .
N.A.- Data is Not Available
N/A - Not Applicable to this Engine
TBD - To Be Determined
240.0 1500.0
1400.0
Fuel consumption(g/kW.h)
1300.0
235.0
1200.0
1100.0
230.0 1000.0
Torque(N.m)
900.0
800.0
225.0
700.0
600.0
220.0 500.0
400.0
300.0
215.0
200.0
100.0
210.0 0.0
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Engine power(gross) (kW)
