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Spur-gear differential. A spur-gear differential has an equal-sized spur gears at each end, each of which is connected to an output shaft. [8] The input torque (i.e. from the engine or transmission) is applied to the differential via the rotating carrier. [8] Pinion pairs are located within the carrier and rotate freely on pins supported by the ...
While the 9.5-inch rear end exhibits its own durability, it is generally considered less favorable for high-torque applications. The 9.5-inch C-clip rear differential was featured in both the Suburban and pickups, available in 6- or 8-lug variations, employing 33-spline axles. This differential remained in production through 2009 and even found ...
The Dana Super 70 rear differential has become a staple axle for GM and Ford in the dual rear wheel chassis cab vans since 1999. The ring gear is larger at 10.75 inches and features 37 spline axle shafts. Only 2 OEM gear ratios are offered: 4.10 gears and 4.56 gears. [1]
Spiral bevel gear. A spiral bevel gear is a bevel gear with helical teeth. The main application of this is in a vehicle differential, where the direction of drive from the drive shaft must be turned 90 degrees to drive the wheels. The helical design produces less vibration and noise than conventional straight-cut or spur-cut gear with straight ...
With a third transmission, gears are multiplied yet again, giving greater range or closer spacing. Some trucks thus have dozens of gear positions, although most are duplicates. Sometimes a secondary transmission is integrated with the differential in the rear axle, called a "two-speed rear end". Two-speed differentials are always splitters.
These limited-slip differentials use helical gears, clutches or cones (an alternative type of clutch) where the engagement force of the gears or clutch is a function of the input torque applied to the differential (as the engine applies more torque the gears or clutches grip harder and Trq d increases).
The later axles have ball joints. Ford Dana 60 axles mostly feature 35 spline inner axle shafts, but some are 30 spline. Larger brakes and 35 spline outer shafts were made standard in 2005. Dodge versions were passenger side differential drop, standard rotation gears, kingpin knuckles and 35 spline axle shafts in early models.
On some differentials only the high speed 2.72–3.73 carrier is used for all gear sets up to 5.89 (JK, Nissan or when thick gears are used) Axle shaft diameter 1.175" front outer (19 spline) 1.20" rear (10 spline) 1.30" rear (19 spline) 1.31" front inner (30 spline) 1.31" rear (30 spline) 1.41" rear (32 spline)
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