OM 355 A Engine
Introducing OM 355 A Engine
Cylinder block
The cylinder block is completely cast iron with complete cylinder (without bushing). The oil filter, injector pump, fuel filter and oil gauge are located on the right side of the engine (flywheel front side), and the starter and manifold are located on the left side. A V-shaped belt connects the water pump and the fan to the engine. Also, the engine has an oil pan made of steel sheet or light cast material.
Cylinder head
The cylinder head is made of cast iron and is common to all cylinders. The intake manifold and the cylinder head cover are all made of lightweight cast materials.
Crankshaft
The crankshaft is made of one-piece alloy steel by forging method and with very precise machining. The crankshaft of this engine is held in 7 points by three-layer bearings, with steel backs (with a polished bearing in the middle). Also, the crankshaft is balanced by special weights.
The connecting rods, like the crankshaft, are made of one piece by forging method and with very precise machining and can be separated. The connecting rod is maintained by a three-layer bearing, with steel backs, and has separate bronze bushings for connecting to the piston.
Camshaft
The camshaft is made of one piece by forging and with very precise machining and is maintained by 5 bearings. The camshaft provides its movement through the gear engaged with the crankshaft.
Piston
Valve
The valves are put to work by a combination of bracket, push rod, and rocking arms. Cast iron guide bushings and heat-resistant valve seat rings guarantee a long service life and maintenance period.
To use the fuel correctly, the direct injection method is used. The injection system includes a linear pump, fuel pump, fuel filter, multi-hole injector and an automatic injection timer.
Lubrication under pressure
Lubrication operation by means of a gear type oil pump that passes all the oil through the filter and feeds the crankshaft, camshaft, connecting rod, bearing and rocking arms. In this way, the injector pump, governor and air pump are connected to the engine lubrication system. In this system, safety valves are responsible for reducing excess pressure.
Cooling system
By using a centrifugal pump, depending on the application of the engine, air-to-water or water-to-water radiators can be used. The water temperature can be controlled by using a thermostat.
Application
This engine can be used as a reliable source in industrial and commercial equipment, construction, agriculture, commercial vans, as well as a power generator source for all types of sea boats. According to the customer's request, this engine can be used for different purposes by being equipped with special tools.
| نوع سیلندر | Inline/Vertical | Cylinders type | ||
| تعداد سیلندر | 6 | Cylinders | ||
| قطر سیلندر (میلیمتر) | 128 mm | Cylinder bore | ||
| کورس پیستون | 150 mm | Stroke | ||
| حجم موتور (لیتر) | 11.58 Lit | Total piston displacement | ||
| نسبت تراکم | 15:1 | Compression ratio | ||
| حداکثر قدرت خروجی (کیلووات) | 210 Kw @ 2200 rpm | Max output (Kw) | ||
| حداکثر گشتاور(نیتوتن/متر) | 1059 N.m @ 1200 rpm | Max torque (N-m) | ||
| وزن موتور خشک(کیلوگرم) | 900 Kg | Engine dry weight (kg) | ||
| کنترل موتور | Mechanical | Engine control | ||
| موقعیت نازل | Vertical | Nozzle position | ||
| سرعت متوسط پیستون | 11.36 ms @ 2200 rpm | Mean piston speed | ||
| فشار متوسط موثر | 11.49 bar @ 1200 rpm | Mean effective pressure | ||
| جهت چرخش(خلاف عقربه هاب ساعت) | c.c.w | Rotation | ||
| ظرفیت سیال خنک کننده | 28 Lit | Cooling water capacity | ||
| حداکثر ظرفیت روغن کارتر(اتوبوس/کامیون) | 30/18 Lit | Max lubrication oil capacity (Bus/Truck) | ||
| حداقل مصرف سوخت | 207 gr/kw.h | Min. fuel consumption | ||
| سوپاپ دود | 2 | Exhaust valves | ||
| سوپاپ هوا | 2 | Intake valves | ||
| استاندارد آلایندگی با گوگرد کمتر از 0.05 | EURO II | Emission standard | ||
| سیستم ترمز موتور | No | Engine break system |
