Editing Differential (mechanical device) (section)

=== Spur-gear design ===
[[File:Spur gear differential (Manual of Driving and Maintenance).jpg|thumb|Spur-gear differential]]

A spur-gear differential has equal-sized spur gears at each end, each of which is connected to an output shaft.<ref name="Sergeant Clutch">{{cite web |title=What Is a Spur Gear Differential? |url=http://www.sergeantclutchdiscounttransmission.com/DifferentialPartsSanAntonio.html |website=SergeantClutchDiscountTransmission.com |access-date=27 March 2023 }}</ref> The input torque (i.e. from the engine or transmission) is applied to the differential via the rotating carrier.<ref name="Sergeant Clutch" /> Pinion pairs are located within the carrier and rotate freely on pins supported by the carrier. The pinion pairs only mesh for the part of their length between the two spur gears, and rotate in opposite directions. The remaining length of a given pinion meshes with the nearer spur gear on its axle. Each pinion connects the associated spur gear to the other spur gear (via the other pinion). As the carrier is rotated (by the input torque), the relationship between the speeds of the input (i.e. the carrier) and that of the output shafts is the same as other types of open differentials.

Uses of spur-gear differentials include the [[Oldsmobile Toronado]] American front-wheel drive car.<ref name="Sergeant Clutch" />{{explain|reason=Additional referenced examples are needed.|date=March 2023}}
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