9. Drive train

What this is made of

• 9(a). Diagram the drive train and explain its parts
• 9(b). Automatic and standard transmissions
• 9(c). Types of automatic transmission fluid
• 9(d). Lubricants for the standard transmission, differential and transfer case
• 9(e). Front-wheel, rear-wheel and four-wheel drive

Where this step comes from

1. Automotive Maintenance Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-31), Requirement 9