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Technical Data
Engine designation TAMD74C-B, TAMD74L-B, TAMD74P-B
General
Number of cylinders................................................. 6
Displacement........................................................... 7.28 dm
3
(444 in
3
)
Low idling speed ...................................................... 600 ±10 r/min.*
Valve clearance, stopped engine, cold or at
operating temperature:
inlet....................................................................... 0.50 mm (0.0197 in)
outlet .................................................................... 0.65 mm (0.0256 in)
Compression pressure at starter motor speed
(300 rpm.)................................................................ 2.2 MPa (313 psi)
Weight, with heat exchanger, without reverse gear,
approx. .................................................................... 860 kg (1896 lbs)
* At delivery, the idling speed is adjusted to 600 rpm. If needed,
the speed can be adjusted within the range 550–700 rpm (see
Maintenance: Engine, general). Furthermore, the speed is in-
creased to 800 rpm during max. 2 minutes at coolant tempera-
tures below 15°C (59°F).
Cooling system
Freshwater system capacity incl. heat exchanger .. 34 liters (9.1 US gals)
Thermostat:
start opening at..................................................... 73–77°C (163–171°F)
fully opened at ...................................................... 86–90°C (187–194°F)
Lubricating system
Oil pressure, hot engine at operating speed ............ 420–650 kPa (61–94 psi)
at idling speed ...................................................... 150 kPa (21.8 psi)
Max. engine inclination backwards when running .... 15°
Oil volume for oil change (ex. oil filters)*, approx.:
no engine inclination............................................. 24 liters (6.3 US gals)
volume difference, min.–max. ........................... 7 liters (1.8 US gals)
5° engine inclination ............................................ 20 liters (5.3 US gals)
volume difference, min.–max. ........................... 5 liters (1.3 US gals)
10° engine inclination ........................................... 14 liters (3.7 US gals)**
volume difference, min.–max. ........................... 4 liters (1.1 US gals)
* Engine oil filter and by-pass filter have a capacity of approx.
0.5 liter (0.5 quart).
** At a rearward engine tilt of >5° oil dipstick part No. 3827313-2
should be used.
Electrical system
System voltage ........................................................ 24V (or 12V)
Battery capacity:
12V system voltage .................................................. 2 pcs. coupled parallel 12V, max. 110 Ah/battery
24V system voltage .................................................. 2 pcs. coupled in series 12V, max. 143 Ah
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