75
Technical Data
Engine designation TAMD74C-B, TAMD74L-B, TAMD75P-A
General
Number of cylinders ................................................. 6
Displacement ........................................................... 7.28 dm
3
(444 in
3
)
Crankshaft power*:
TAMD74C-B, Rating 4 .......................................... 331 kW (450 hk) / 2600 rpm
Rating 3 .......................................... 316 kW (430 hk) / 2500 rpm
Rating 3 (also available).................. 294 kW (400 hk) / 2500 rpm
TAMD74L-B .......................................................... 316 kW (430 hk) / 2500 rpm
TAMD75P-A.......................................................... 353 kW (480 hk) / 2600 rpm
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)
* Power according to ISO 8665.
** 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, max. ................................... 24 liters (6.3 US gals)
volume difference, min.–max. ........................... 7 liters (1.8 US gals)
5° engine inclination backwards, max. ................. 20 liters (5.3 US gals)
volume difference, min.–max. ........................... 5 liters (1.3 US gals)
10° engine inclination backwards, max. ................ 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).
Electrical system
System voltage ........................................................ 24V (or 12V)
Battery capacity:
12 V system voltage ................................................ 2 pcs. coupled parallel 12 V, max. 110 Ah/battery
24 V system voltage ................................................ 2 pcs. coupled in series 12 V, max. 143 Ah
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