Difficulty: Easy
Correct Answer: tractors
Explanation:
Introduction / Context:
Agricultural and off-road vehicles often require precise low-speed control in both forward and reverse for field operations, implement hookup, and maneuvering in confined spaces. Gearbox design reflects these specialized duty cycles.
Given Data / Assumptions:
Concept / Approach:
Providing two reverse speeds (often a slow “creeper” and a faster reverse) allows tractors to match reverse travel speed to implement requirements, soil conditions, and operator comfort. Shuttle transmissions enable quick forward/reverse changes without clutching fully, but the key point is the presence of multiple reverse choices in tractor gearboxes.
Step-by-Step Solution:
Identify vehicle use-case: agricultural fieldwork requires fine control in reverse.Match gearbox features: tractors commonly have multiple reverse ratios.Therefore, two-speed reverse arrangements are generally provided in tractors.
Verification / Alternative check:
Review spec sheets of common tractors; many list Reverse 1 and Reverse 2 or a range of reverse gears via synchromesh or powershift.
Why Other Options Are Wrong:
Passenger cars nearly always have a single reverse gear.
General trucks also typically have one reverse; heavy specialty equipment may vary, but the common case is single reverse.
Motorcycles lack reverse gears except a few tourers/electric bikes, and not two-speed reverse.
Common Pitfalls:
Confusing two-speed reverse with power take-off (PTO) ranges; PTO speed options are separate from gearbox reverse ratios.
Final Answer:
tractors
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