Section B. Specifications
Belarus-510/512 Operating manual
18
Diesel engine
Engine model
Д
-244
Type
four-stroke, in-line, naturally aspirated
Number of cylinders
4
Mixing method
Direct injection
Compression (calculated)
16
Cylinder bore, mm ( " )
110 (4.32)
Stroke, mm ( " )
125 (4.92)
Cylinder displacement, l (cu. in.)
4.75 (290)
Operation order
1—3—4—2
Cooling system;
liquid
Rated speed, rpm
1,700
Maximum speed, rpm
1,850
Minimum speed, rpm
600
Rated power, kW
41.9
at 1,700 rpm
Maximum torque, N•m
271 at 1,400 rpm
Clearance between intake and ex-
haust valves and rockers at cold en-
gine, mm
0.20…0.35
Advance angle of fuel injection before
upper dead center (UDC), degrees
20 ± 1
Fuel injection pressure, MPa
(kgf/cm²)
21.6…22.4
(220 … 228)