In agricultural tractors equipped with a dual clutch (double clutch), depressing the clutch pedal through its first half-stroke disengages:
Options:
(A) The transmission drive while keeping the PTO shaft rotating
(B) Both the transmission and the PTO drive simultaneously
(C) Only the PTO drive while keeping transmission engaged
(D) The differential lock mechanism
Answer Key:
A
Step-by-Step Solution & Explanation
- **Dual Clutch Operation Sequence:**
- In a two-stage dual clutch, depressing the pedal through the **first half-stroke** disengages only the primary friction plate driving the transmission gearbox, allowing the tractor to stop forward motion while the PTO-driven implement (e.g. rotavator or baler) continues spinning at full rated speed.
- Depressing the pedal completely through the **second half-stroke** disengages the secondary PTO clutch plate, stopping the PTO shaft.