8
Cylinder bore and piston stroke, mm
110x125
Displacement, l
4.75
Compression ratio
17
Rated power, net, kW (h.p.), not less:
at 2400 min
1
engine speed
86.7 (117.2)
Maximum torque, net, N•m (kgf•m):
at 13001600 min
1
engine speed
413 (42.1)
Minimum engine idle speed, min
1
800
Maximum idle speed limited by governor, min
1
,
not more
2600
Ventilation system
open
Fuel injection pump
Inline, 4plunger, valve type, 7732005
(ЯЗТА) with full range rpm governor and
booster fuel pump
Booster fuel pump
Plunger type, for manual and automatic
fuel priming
Injectors
ЯЗДА 455.111201050, closed type;
injection point pressure 23,5+1.2MPa
(230 kgf/cm
2
)
Fuel filters:
— coarse filter
Gravitation filter with gauze element
— fine filter
With paper renewable filter element
Oil system
Combined: under pressure and spraying
Oil cooler
Fullflow, constantly operating
Oil filter
Fullflow, with renewable filter element
Cooling system
Liquid, closed, with forced coolant circula
tion, with expansion tank
Supercharging system
Gas turbine, with one turbocharger C14
with radial centripetal turbine, centrifugal
compressor and air cooler of supercharging
air of secondary surface type
4.3. TRANSMISSION
Clutch
Singleplate, dry, friction type, with torque
vibration damper on driven plate. With di
aphragm pressure spring. With hydraulic
drive
Gearbox
Mechanical, 5speed, with constant gear
mesh, with synchromesh unit on II and III,
IV and V gears
transmission ratios:
— 1st gear
6.555
— 2nd gear
3.933
— 3d gear
2.376
— 4th gear
1.442
— 5th gear
1.000
— reverse gear
5.735
Cardan drive
Two open type divided propeller shafts,
three universal joints on needle bearings