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BR 628-4 - is a detailed add-on for Train Simulator Classic, representing the Deutsche Bahn (DB) Class 628.4, a twin-car diesel multiple unit (DMU) used for regional passenger services across Germany, particularly on non-electrified branch lines. Developed in the early 1990s as an evolution of earlier Class 628 variants, it was designed to replace older railbuses (e.g., BR 795, 798, and 515) and improve passenger comfort and operational efficiency. Between 1992 and 1996, 309 units were built, making the BR 628-4 a backbone of German regional rail services on non-electrified routes.

Features BR 628-4:
Detailed 3D Model:

• High-fidelity model of the BR 628-4, including photo-textured details and skin-friendly body textures for realistic visuals.
• Accurate exterior design with angled front and rear, triple headlamps positioned lower, and electronic destination signs displaying various German cities (45 versions included, with 4 customizable skins).

Realistic Sound Effects:

• Authentic sounds recorded from real BR 628-4 units, optimized for EFX/OpenAL for immersive audio.
• Realistic cabin wheel and bogie sounds with stereo loops inside the cab for an authentic driving experience.

Authentic Cab:

• Detailed driver’s cab with functional controls, dynamic lighting, and instrumental lights.
• Non-reflective exterior mirrors and interior mirrors with textured effects and realistic sounds.

Advanced Systems:

• Sifa Safety System (Zeit-Zeit-Sifa): A mandatory German dead man’s switch for safe operation.
• PZB System (Punktförmige Zugbeeinflussung): Simulates the German train protection system (I60R for BR 628.4).
• Automatic Wheelslip Protection: Mica-controlled system to prevent wheel slip during acceleration.
• Dynamic Brakes: Controllable in combined mode for realistic braking dynamics.
• Voith Hydrodynamic Transmission: Accurately modeled power transmission with a converter and T 311r coupling.

Operational Features:

• Supports coupled operation of up to four pairs of units, controlled from a single driver’s cab.
• In-game switchable destination signs with autonumbering for AI traffic and quick setup.
• Quick Drive compatibility for seamless integration into various routes.

Visual Enhancements:

• TS2012/TS2017 features, including raindrops on windows and visible front lights for added realism.
• Dynamic lighting in the cab and exterior for enhanced immersion.

Scenarios:

• Includes four scenarios (available separately, requiring additional add-ons) tailored for specific routes, such as the Munich–Rosenheim route.
• Scenarios support yard/parked setups and AI traffic integration.

Technical Specifications:

• Maximum speed: 120 km/h.
• Service weight: ~42 tons per unit.
• Compatible with Train Simulator 2013/2014/2017 (EFX Sound setting required for proper audio functionality).