
9
© 2003
Technical Specification
Technical Specification
Technical Specification
Technical Specification
Technical Specification
9.1 Engine Specifications and Settings
9.1 Engine Specifications and Settings
9.1 Engine Specifications and Settings
9.1 Engine Specifications and Settings
9.1 Engine Specifications and Settings
Model
Model
Model
Model
Model
-----------
-----------
-----------
-----------
----------- BF4M 2012
BF4M 2012
BF4M 2012
BF4M 2012
BF4M 2012 ------------------------
------------------------
------------------------
------------------------
------------------------ BF4M 2012 C
BF4M 2012 C
BF4M 2012 C
BF4M 2012 C
BF4M 2012 C ---------------------- BF6M 2012 C
BF6M 2012 C
BF6M 2012 C
BF6M 2012 C
BF6M 2012 C -------
Number of cylinders
------------------ 4 --------------------------------------- 4 ---------------------------------------- 6 ---------------
Cylinder arrangement
----------------------------------------------------- vertical in line -------------------------------------------------
Bore
[mm] ---------------------------------------------------------- ø 101 -------------------------------------------------------
Stroke
[mm] ----------------------------------------------------------- 126 --------------------------------------------------------
Total displacement
[cm
3
] ---------------- 4.04 ----------------------------------- 4.04 ----------------------------------- 6.06 -------------
Compression ratio
[
ε
]. ------------------------------------------------------------ 19 ---------------------------------------------------------
Working cycle
-------------------------------------------------- Four-stroke diesel ----------------------------------------------
Combustion system
---------------------------------- with turbocharging and direct fuel injection ------------------------------
Charge air cooling
--------------- without --------------------------------- with ------------------------------------ with -------------
Direction of rotation
-------------------------------------------------- counter-clockwise -----------------------------------------------
Weight 2012/ C including cooling system
to DIN 70020-A [approx.kg]
------------------------------------------------- Refer to head-office ---------------------------------------------
Engine output
[kW] ------------------ 75 ------------------------------------ 103 ------------------------------------ 155 -------------
Max. speed
[1/rpm] ---------------------------------------------------------- 2500 -------------------------------------------------------
Valve clearance with cold engine (PTs)
[mm] ----------------------------------------- Inlet 0.3
+ 0.1
/ exhaust 0.5
+ 0.1
. --------------------------------------
Valve clearance with cold engine standard [mm] ------------------------------------ Adjustment with special tool, see 6.6.1 ---------------------------------
Injector opening pressure
[bar] ----------------------------------------------------------- 250 --------------------------------------------------------
Start of feed
[
°
CS BTOC] -------------------------------------------------------------
1)
. ---------------------------------------------------------
Firing order of the engine
-------------- 1-3-4-2 ------------------------------- 1-3-4-2 ----------------------------- 1-5-3-6-2-4 --------
V-belt tension:
-------------------------------------------- Pre-tension / re-tension 2)
----------------------------------------------------------------------
Alternator / fan
[N] ----------------------------------------------------- 450 / 300
±
50
. --------------------------------------------------
Fuel pump - coolant pump
[N] ----------------------------------------------------- 450 / 300
±
50
. --------------------------------------------------
Compressor
[N] ----------------------------------------------------- 550 / 450
±
50
. --------------------------------------------------
Ribbed V-belt tension spring-loaded tension roller [N] ----------------------------------------------------- 900 / 600
±
50
. --------------------------------------------------
1)
Engine output, speed, start of delivery are stamped on engine rating plate, etc., see also 2.1.
2)
Re-tension 15 minutes after the engine has been operated under load.
Summary of Contents for BF4M 2012
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