The 2ТE70 Freight diesel locomotive with two six axial sections shares main parts with the TEP70 and TEP70BS passenger diesel locomotives. It is designed for running freight trains up to 6,000 t on 1520 mm gauge railways and is built according to GOST 15150-69 climatic requirements applicable for Russian railways. It can be used in CIS and Baltic countries as well.

2ТE70 Design Features:

• The 2А-9DG-02 improved diesel generator;
• A microprocessor control and diagnostics system;
• Tangent traction force regulation on axles;
• A high-performance cooling fan;
• A new console with improved ergonomic design and parameter indication on display;
• A car truck with improved component design and balancing weights;
• Combined system for automatic heat-transfer agent temperature regulation;
• A double-step diesel air cleaner;
• A wheel flange lubricator;
• Air conditioning in driver's cab;
• The KLUB-U complex locomotive safety system;
• A high strength reinforced cab windscreen and side glasses with electric heating;
• Pantograph type electric windscreen wipers.

Advantages of the 2ТE70 diesel locomotive:

• More power and traction force in comparison with currently operating the 2TE116 and 2ТE10 diesel locomotives;
• Reduced operating costs;
• Reduced maintenance and repair costs;
• Improved railway traffic safety;
• Improved work conditions for locomotive team;
• Reduced harmful effects on environment;
• Reduced list of spare parts and equipment for freight and passenger locomotives maintenance and repair.

Technical characteristics:

Power of diesel engine section, kW (hp)	3000 (4080)
Design speed, km/h	110
Traction force in continuous regime, kN (tf)	304 (31)
Axial arrangement	Зо-Зо
Service mass, t	141
Braking force of electric brakes, kW	3200
Length along buffers, mm	21700
Wheel diameter, mm	1250
Transmission type	Electric AC/DC
Traction motor suspensionz	3rd class support frame