1. What It Is:
Diesel D2 (also called Gas Oil) under GOST 305-2013 is a Russian fuel standard used for ultra-low sulfur diesel fuel. It's primarily used in diesel engines for vehicles, generators, and industrial machinery.
2. Key Specifications (GOST 305-2013):
- Sulfur content: Max 10 ppm (Ultra-low sulfur)
- Cetane number: Min 51
- Density at 15°C: 820–845 kg/m³
- Flash point: Min 55°C
- Pour point: −10°C to −35°C (depends on climate grade)
- Viscosity at 40°C: 2.0–4.5 mm²/s
- Ash content: Max 0.01%
- Water and sediment: Max 200 mg/kg
3. Grades / Climate Categories:
GOST diesel comes in seasonal grades:
- Summer (L), Winter (Z)
, Arctic (A)
These differ mainly in pour point (cold flow properties)
4. Applications:
Road transport (trucks, buses)
, Railways
, Agricultural and industrial equipment
, Marine engines (light vessels)
5. Compliance and Export:
- Commonly used for exports from Russia and CIS countries.
- Buyers often request SGS or equivalent inspection at loading ports.
- Must comply with international environmental and quality standards
