What are the common choices for the drive system of a 5-ton forklift?
The common choices for the drive system of a 5-ton forklift are as follows:

1. Diesel drive:
- Suitable for heavy loads and long-term use, usually used in outdoor working environments. Diesel forklifts are powerful and suitable for high-intensity operations.

2. Electric drive:
- Suitable for indoor use, quiet operation and no emissions, environmentally friendly. Electric forklifts have low maintenance costs, but the battery life is affected by the battery capacity.

3. Liquefied gas drive:
- Suitable for occasions where frequent fuel changes are required, with good power output and operating efficiency, suitable for indoor and outdoor use.

4. Hybrid power:
- Combining the advantages of electric and fuel drives, it can be used flexibly in different environments, providing better fuel efficiency and reducing emissions.

The selection of a suitable drive system should be determined based on the specific working environment, operating requirements and budget.