Transit bus retrofit to upgrade parking brake release tank to 2.5 gallons.
Proterra technical service bulletin SC-21-025 for 2020 Proterra Catalyst.
- Bulletin number
- SC-21-025 (SC-21-025)
- Component
- Service brakes
- Summary
- Transit bus retrofit to upgrade parking brake release tank to 2.5 gallons.
Vehicles covered
- Proterra Catalyst 2020 2020
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