How to identify Dana 70 Rear axle?
How to identify Dana 70 Rear axle?
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 and is visually similar to the Dana 60.
What gear ratio is a Dana 70?
Dana 70 factory ratios: 3.07:1 to 7.17:1. Dana 60 factory ratios: 3.54:1 to 7.17:1.
Is a Dana 70 good?
The Dana 70 is generally regarded to have more strength than a Dana 60 but not as much as a Dana 80. Gross axle weight ratings are often lowered by the vehicle manufacturer for safety and tire reasons. Dana 70 front axles are uncommon, due to attributes that the Dana 60 front axle can match.
What is the difference between a Dana 70 and a Dana 70 HD?
Yes, all d70 ring& pinions are the same, (well from around the late 1960 anyway). so the only difference is the bearings. and the size of the housings & tubes. All carriers basically start off with the same casting, either 4.10 & down or 4.56 & up.
How do you tell if you have a Dana 60 or 70?
One way to tell if you have a Dana 60 or Dana 70 is to measure the cover flange height (yellow arrow). The Dana 60 flange height is approximately 1″ high. The Dana 70 flange height is about 1¼” high.
Do I have a Dana 60 or Dana 70?
Not all Dana axles have the model number cast on the housing. It can be very difficult to tell a Dana 60 from a Dana 70, as they have nearly identical covers with exactly the same bolt pattern. One way to tell if you have a Dana 60 or Dana 70 is to measure the cover flange height (yellow arrow).
How to tell if you have a Dana 60?
The easiest way to tell them apart is by looking at the size of the center section. Because of the way larger ring gear on the Dana 60 the center section is noticeably larger. The center section on a Dana 60 has a noticeable cutout for the larger gears. The Dana 60 axle will typically have larger brakes as well.
What kind of parts do you need for a Dana 70 differential?
We offer a complete line of rear end parts for the Dana 70 differential. You can purchase high quality ring and pinion sets in various ratios, high quality rear end bearing overhaul kits including pinion, carrier & bearings, pinion seal, crush sleeve, pinion nut, shims, ring gear bolts, marking compound and gasket.
What can I buy for a Dana 70?
We offer a complete line of Dana 70 rear end and differential parts. You can purchase Dana Original Equipment (OE) high quality ring and pinion sets in various ratios, high quality bearing rear end overhaul kits including carrier & pinion bearings, pinion seal, crush sleeve, pinion nut, shims, ring gear bolts, marking compound and gasket.
How big is the Dana 70 axle shaft?
The Dana 70 axle has been around for decades and is commonly found under full-size GM, Dodge, and Ford trucks. The axle is available in both front and rear applications and features a large 10.5″ ring gear. Standard D70 models have 30 or 35 spline axles, however, the Dana “Super” 70 is the holy grail of the series with massive 37 spline shafts.
How to set up ring and pinion set Dana 70?
Ring Gear Backlash .005-.008 Side Brg. Caps Ft. Lbs. 80-108 Instructions for setting up ring and pinion backlash. The Dana/Spicer 70 axles are identified with a manufacturing date (1) and Bill of Material number 1/8″ high metal stamp (2) stamped on the right or left hand tube on driving axles.
The Dana 70 axle has been around for decades and is commonly found under full-size GM, Dodge, and Ford trucks. The axle is available in both front and rear applications and features a large 10.5″ ring gear. Standard D70 models have 30 or 35 spline axles, however, the Dana “Super” 70 is the holy grail of the series with massive 37 spline shafts.
What’s the gear ratio on a Dana 70?
Dana 70U – Features an offset pinion for 3.54 and numerically lower gear ratios. Dana 70HD – Heavy Duty model uses larger Dana 80 carrier and bearings. The Dana 70 axle has been around for decades and is commonly found under full-size GM, Dodge, and Ford trucks.
What is the maintenance manual for a Dana 70?
MODEL 70 MAINTENANCE MANUAL FRONT AND REAR AND CARRIER TYPE HEAVY DUTY REAR SPICER® Dana Corporation, Spicer Axle Division, re serves the right to make changes from time to time, without notice or obligations, in specifica tions, descriptions, and illustrations, and to discontinue models or revise designs.
What’s the spline on a Dana 70 B?
Generally 35 spline, but checking is the only sure way. *70-U (.625″ offset, ’82+) There seems to be less of these than the 70-B. Known as the “Teardrop 70” because of it’s smooth underside. Shares all bearings with the 60
