A transit mixer, also known as a concrete mixer truck, is a specialized vehicle designed for transporting and mixing concrete from a batching plant to a construction site. Here are the general technical specifications for a transit mixer:

### General Technical Specifications of a Transit Mixer

#### 1. **Capacity**
- **Mixer Drum Capacity**: Typically ranges from 3 to 12 cubic meters.

#### 2. **Dimensions**
- **Overall Length**: Varies by model, usually between 7 and 11 meters.
- **Overall Width**: Generally around 2.5 to 3 meters.
- **Overall Height**: Typically between 3 and 4 meters.
- **Wheelbase**: Varies, often between 3.5 to 5 meters.

#### 3. **Chassis**
- **Truck Chassis**: Built on heavy-duty truck chassis designed for carrying heavy loads.
- **Number of Axles**: Usually 2 to 4 axles, depending on capacity and regulations.

#### 4. **Engine**
- **Type**: Diesel engine, compliant with local emission standards (e.g., Euro 4, Euro 5).
- **Power Output**: Varies by model, typically between 200 and 400 horsepower.

#### 5. **Mixer Drum**
- **Material**: Made of high-quality wear-resistant steel.
- **Rotation Speed**: 0 to 14 RPM (adjustable).
- **Mixing and Discharge**: Equipped with spiral blades for efficient mixing and discharge.
- **Drum Thickness**: Typically around 4 to 8 mm.

#### 6. **Hydraulic System**
- **Hydraulic Pump**: Powers the rotation of the mixer drum.
- **Hydraulic Motor**: Drives the drum rotation.
- **Control System**: Hydraulic control for mixing and discharge functions.

#### 7. **Water System**
- **Water Tank Capacity**: Usually between 200 and 600 liters.
- **Water Pump**: For adding water to the mix and cleaning the drum.
- **Water Meter**: To measure the amount of water added to the concrete mix.

#### 8. **Control Panel**
- **Location**: Typically located at the rear of the truck.
- **Functions**: Controls for drum rotation, water supply, and discharge operations.
- **Indicators**: Speed and direction of drum rotation, water level, and other operational parameters.

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