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Dana 44 Front axles were known for utilizing locking hubs or a center axle disconnect system. However, a permanently locked-in Dana 44 is not uncommon. The Dana 44 has seen use in 1/4-, 1/2-, 3/4-, and 1-ton rated trucks. The Dana 44 was manufactured in kingpin and ball joint variations, as well as closed and open knuckle variations.
A variation of the Dana 60 known as a Dana 61 was made to accommodate gear ratios that allowed for better fuel mileage. This was done as a direct result of the 1973 oil crisis. A 3.07:1 gear ratio was common for these axles and unachievable in a regular Dana 60. To allow for the different gearing, the Dana 61 had a greater pinion offset.
For the front axle of 4×4 Rams, a Dana 44 was used on all 1500s and the early (light-duty) 2500s. However, most of the 2500 and all 3500 Rams use Dana 60 front axles. The 1500s and some early light-duty 2500s used a 9.25 Chrysler (Spicer) axle in the rear. A Dana 60 rear axle was used on heavy-duty 2500s with the 5.9L V8.
The Dana 50 has a "50" cast into the housing and is regarded to have more strength than a Dana 44, but not as much as a Dana 60. It was only produced in a reverse cut gear set aka a high pinion. The Dana 50 was made as a solid axle and as a Twin Traction Beam (TTB) which pivots in the center allowing the wheels to move independently of each ...
Dana Incorporated is an American supplier of axles, driveshafts, and electrodynamic, thermal, sealing, and digital equipment for conventional, hybrid, and electric-powered vehicles. The company's products and services are aimed at the light vehicle, commercial vehicle, and off-highway equipment markets.
The Dana/Spicer Model 70 is an automotive axle manufactured by Dana Holding Corporation and has been used in OEM heavy duty applications by Chevrolet, Dodge, and Ford. It can be identified by its straight axle tubes, 10 bolt asymmetrical cover, and a "70" cast in to the housing, which is visually similar to the Dana 60 .
The ID number C300-15 is stamped on the case. The output for the front drive shaft is on the right side and the rear output in line with the input. Low range is 2.62:1. One common modification of the Dana 300 is to add oil paddles to the main shaft to prevent oil starvation of the rear bearing. The Dana 300 was used in Jeep CJs from 1980 to 1986.
The Dana Holding Corporation manufactured the TTB axle for Ford. It uses a universal joint in the center that allows the wheels to move independently of each other. The differential is offset to the driver's side, and a slip yoke is used on the long axle side to allow the shaft to change length.