Talk:PD-4501 Scenicruiser

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Two-speed "clutch"[edit]

Is that literally what it is? Or just a strange way of rewording a two-speed axle / differential (yer classical "overdrive") or a transfer box either inside or bolted onto the output (input, maybe, in this case?) of the main transmission (how "splitters" on truck transmissions typically operate)? Unless it has some part of either of those built into the clutch proper - maybe an in/out epicyclic reducer in the manner of some top fuel dragster transmissions? - I can't quite see how we arrive at the name. 146.199.60.2 (talk) 18:10, 5 September 2019 (UTC)[reply]

Here is a modern version of a dual clutch, explained in English: Volvo Dual Clutch. They fail to mention the Pegaso precedent, but you get an explanation in English.--Megustalastrufas (talk) 08:48, 6 September 2019 (UTC) And here is a Pegaso truck from the 80's on Youtube. Watch the gear-ball twist, which changes the clutch, and listen to the engine not losing torque as explained in the volvo text.--Megustalastrufas (talk) 08:53, 6 September 2019 (UTC)[reply]

The Volvo one seems to operate on the same lines as the DSG-type twin clutch 'box used on many VAG cars. Faster and smoother changes, but the same number of gears. Mr Larrington (talk) 23:42, 18 September 2020 (UTC)[reply]