Key 1973 Big 10 / C10 Specifications:
- Engine Options: The 1973 "Rounded-Line" generation offered five engines, with the 350 cu in. being the most popular.
- Emissions/Workaround: The Big 10 was specifically marketed to allow higher GVWR (over 6000 lbs), which reduced the required emissions equipment compared to standard half-tons.
- Suspension/Chassis: The Big 10 typically featured thicker, heavy-duty leaf springs to handle the increased load capacity.
- Transmission: Commonly paired with the TH350 3-speed automatic transmission.
- Brakes: Front disc brakes and rear drums were standard, significantly improving safety.