🏷️ Basic Information Identification Make: BorgWarner Model: Velvet Drive Marine Product Category: Marine Transmission Manufacturer: BorgWarner 📋 Manual Details Documentation Manual Type: Installation Manual Language: English 🔧 Transmission Gearbox Info Type: Hydraulic Marine Transmission Drive System: Direct Drive Gear Ratios Gear Ratio: Multiple gear ratios available depending on specific model 📐 Dimensions Physical Size Mounting Pattern: SAE Standard Flywheel Housing Patterns 🔧 Maintenance Servicing Recommended Oil Type: AWS 30 Automatic Transmission Fluid (ATF) Oil Capacity: Varies by specific model, refer to manual for exact capacity Servicing Schedule Recommended Service Interval: Refer to manual for specific intervals based on operating hours Parts And Fluids Filter Type: Replaceable Oil Filter Troubleshooting Common Issues Covered: Leaking, shifting problems, overheating 📄 Specifications Device Characteristics Device Type: Marine Transmission Intended Use: Marine Propulsion Mounting And Connection Coupling Type: Flexible Coupling Cooling System Cooling Method: Water Cooled Cooling Connection Type: Hose Barb Fittings Input Output Input Shaft Rotation: Clockwise Output Shaft Rotation: Dependent on gear ratio and direction selection 📄 Operational Details Operating Environment Operating Conditions: Submerged operation in marine environment Control System Control Type: Mechanical or Electronic (depending on model)