The D-243 engine is a four-stroke diesel engine with vertical, in-line cylinders and fuel injection directly into the cylinders. The base model is not turbocharged. The area of application of diesel engines is places with unlimited air exchange. Diesels are designed for operation at ambient temperatures from plus 40 C to minus 45 C.
Their main purpose is installation on agricultural tractors of 1.4-2.0 t / s class. As well as other machines for industrial, agricultural, logging purposes. It is widely used on excavators, loaders, compressor stations and power generators.
Tanks
| Lubrication system | 12 l |
| Cooling system | 15 l |
| Typical Oil Change Period | 250 hours |
| Dimensions (L x W x H) | 994 x 676 x 1223 mm |
| Weight (without oil and coolant) | 430 kg |
| Resource before overhaul | 8000 hours |
Specifications
| Main (rated) power | 60 kW |
| Standby engine power (max) | 66 kW |
| Engine’s type | diesel, 4-stroke |
| Displacement | 4,75 liters |
| Configuration | 4, inline |
| Firing order | 1-3-4-2 |
| Cylinder bore / piston stroke | 110 x 125 mm |
| Compression ratio | 16:1 |
| Rated speed | 2200 rpm |
| Fuel system | direct injection, injection pump with mechanical regulator |
| Type of air injection | naturally aspirated (atmospheric) |
| Cooling | liquid |
| Power take-off per fan | 3,7 kW |
| Rated voltage of electrical system | 24 V |
D-243 modifications and their differences
- D-243 – a conventional 81 hp version
- D-243L – the same D-243, but with a different exhaust manifold.
- D-243.1 – 83 hp motor
- D-243.2 – version for mine vehicles with a capacity of 60 hp
Disadvantages of the MMZ D-243 engine
| at 100% nom. power | 220 g / kWh |
| at 75% nom. power | 222 g / kWh |
| at 50% nom. power | 240 g / kWh |
Oil consumption for waste, at 100% power
| – relative to fuel consumption | 0% |
| – specific oil consumption | 0.9 g / kWh |
