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Dana 70 Ring and Pinion Differential Parts Print E-mail

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laptopcomputergearratio.jpgHaving problems with Dana 70 rear end?  We 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 bearing rear end bearing overhaul kits including pinion bearings, pinion seal, crush sleeve, pinion nut, shims, ring gear bolts, marking compound and gasket. This differential is manufactured in three different configuraions, Dana 70, Dana 70U utility, and Dana 70HD heavy duty. This differential was utalized in Dodge truck series one ton trucks prior to 1974. Ford applications F-350prior to 1974. GM used this very popular differential prior to 1974. Our inventory includes ring gear and pinion sets, including aftermarket and OE gear sets. We are able to supply axles, bearing overhaul kits, carriers, cases, spider and side gears.

Positraction units we offer include Lockrights, Powertrax, Detroit Lockers, Dana/Spicer and ARB air lockers. We are a Dana Spice volume distributor and offer a complete line or ring gear and pinions sets for Dana 70, Dana 70 U, Dana 70 HD and other differential parts. We also offer Dana 28, 30, 35, 44 and 80 differential parts.

Along with our quality parts you have access to applications information for available ring and pinion ratios, information to assist you in identification of the differential that you have. Specifications are provided below to assist you in the correct rear end setup as well as torque spec's for your Dana 70 differential. Free information for ring and pinion installation is provided also informaition on carrier/case breaks when you are considering gear ratio changes. You can review applicatis information to assist you with the selection of the specific positraction unit that you may need to improve your performance.

Dana 70 Applications

Model

Year

Chevy 1 Ton

74 & Before

Dodge 1 Ton Various Models

74 & Before

Ford 1 Ton Various Models

74 & Before



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9-3/8 X 10-1/4"
10 HOLES
OVAL Flat Side Gasket Pattern

 

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Specifications

  • Ring Gear Diameter 10.5"
  • 12 1/2" X 18 RH Threaded Bolts
  • PINION Diameter 1.750", 29 Spline

    CASE: 4.10 & Down, 4.56 Numerically Higher

    .500 Pinion Offset

    8620 Material Heat-Treated

    Assembly Specifications:

  • Cover Bolt Ft. Lbs. 30-40
  • Pinion Brg. Preload In. Lbs 20-40
  • Pinion Nut Ft. Lbs. 220-280
  • Ring Gear Backlash .005-.008
  • Ring Gear Bolt to case Ft. Lbs. 100-120
  • Side Brg. Caps Ft. Lbs. 80-108

    Instructions for setting up ring and pinion backlash.


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Dana 70 Ring and Pinion
Part Number    

Ratio

Teeth Price

Your gears run cooler and last longer!

Order above high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $63.95 plus S&H, a $69.00 value.

Quality guaranteed performance

 

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  Installation Tooling, Your Cost $48.98 + S&H.

700020-1    

3.54

 

$461.68

706997-1X MWD70-410E  

4.10

41-10

$403.68

706997-2X MWD70-456E  

4.56

41-09

$436.68

  MWD70-488E  

4.88

39-08

$348.68*

  MWD70-513E  

5.13

41-08

$348.68*

706997-6X MWD70-617E  

6.17

37-06

$402.68

  MWD70-717E  

7.17

43-06

$348.68*

* Ring and pinion only. dana70ring_pinionkit.jpg

Master Bearing Overhaul Kit P/N DTSR70RMKT $138.70

DANA/Spicer Kits includes ring & pinion, gasket, pinion bearings, bolts, seal and shims, pinion nut & washer. We also offer Carrier Bearings.

When ordering Dana/Spicer Differential Parts provide bill of material number.
This number is stamped on the right hand side axle tube. It's a number like 603XX-X, 604XX-X or 605XX-X. With this number we can tell you exactly what components the factory used in the assembly of your differential.

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You get the right parts the first time!

Differential Cover Dodge Pre 94 - all 2500 & 3500 trucks, Dodge 94 & up 2500 automatic trucks, Some older GM's, Ford 85 & older, F250 & F350 Trucks, Ford F350 Vans. Increase the fluid capacity, you will find that the fluid will run 15 to 20 degrees cooler. DTSDana70 $255.55

 

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Dana 70 U Ring and Pinions
Part Number    

Ratio

Teeth

Price

706998-1X MWD70-354  

3.54

46-13

$430.44

706998-2X MWD70-373  

3.73

41-11

$430.44

706998-3X MWD70-410  

4.10

41-10

$430.16

706998-4X MWD70-456  

4.56

41-09

$430.44

706998-5X MWD70-488  

4.88

39-08

$334.44 *

  MWD70-513  

5.13

41-08

$345.16 *

  MWD70-586  

5.86

41-07

$345.16 *

  MWD70-617  

6.17

37-06

$345.16 *

  MWD70-717  

7.17

41-08

$345.16 *

* Ring and pinion only.

Master Bearing Overhaul Kit P/N DTSR70URMKT your cost is $170.47

DANA/Spicer Kits includes ring & pinion, gasket, pinion bearings, bolts, seal and shims, pinion nut & washer. We also offer Carrier Bearings.


Dana 70 HD

Applications

Model

Year

Chevy 1 Ton Various Models

79 to 96

Dodge 1 Ton Various Models

78 & 96

Ford 1 Ton Various Models

78 & 96


 

Specifications

  • Ring Gear Diameter 10.5"
  • 12 1/2" X 20 RH Threaded Bolts
  • PINION Diameter 1.750", 29 Spline

    CASE: 4.10 & Down, 4.56 Numerically Higher.625 Pinion Offset 8620 Material Heat-Treated

Ring and Pinion Gear Sets
Part Number    

Ratio

Teeth

Price

706991-1X MWD70-354  

3.54

46-13

$330.93*

706999-2X MWD70-373  

3.73

41-11

$445.93

706999-4X MWD70-410  

4.10

41-10

$443.93

706999-6X MWD70-456  

4.56

41-09

$449.93

706998-8X MWD70-488  

4.88

39-08

$330.93*

706998-9X MWD70-513  

5.13

41-08

$478.77

706998-10X MWD70-586  

5.86

41-07

$357.77

706998-12X MWD70-617  

6.17

37-06

$361.91*

706998-14X MWD70-717  

7.17

41-08

$361.91*

* Ring and pinion only.

Master Bearing Overhaul Kit P/N DTSR70HRMKT $172.62

DANA/Spicer Kits includes ring & pinion, gasket, pinion bearings, bolts, seal and shims, pinion nut & washer. We also offer Carrier Bearings.


Dana 70 Differential Parts

Description

Part Number

Price

DANA 70U OPEN LOADED W/ABS

707276-1X

$318.17

DANA 70U LOADED CASE NON-POSI

707276X

$315.50

DANA 70U CASE ASSY. KIT

706051X

$262.22

DANA 70HD CASE 456-UP

707118X

$317.22

DANA 70 INNER PARTS KIT

707074X

$297.22

Bearing/Overhaul Kit

R70RMKT

$163.63

Bearing/Overhaul Kit

R70URMKT

$172.62

Bearing/Overhaul Kit

R70HRMKT

$163.63

Carrier Bearing Set Dana 70F, 70R and 70U

706047X

$48.58

Carrier Bearing Set Dana 70HD

706070X

$52.82

Power Lock Clutch Pack

707075X

$96.66

Dana 70 Positraction Differential Assembly Options

 


Description

Part Number

Price

ARB Air Compressors, your cost $309.38


Whats the difference in Positractions?

Check out Differentials whats the Difference?
ARB Dana 70 HD 4.56 and up

RD53

$1204.59

ARB Dana 70 HD 4.10 and down

RD54

$1204.59

ARB Dana 70 32 SPLINE FULL FLOAT 4.56 and up

RD97

$1204.59

ARB Dana 70 32 SPLINE FULL FLOAT 4.10 and lower

RD98

$1204.59

DANA 70 POWER LOCK OE LOADED 4.56 & UP

706063X

$1179.28

Dana 70U POWER LOCK LOADED 4.10 & DOWN 32 SPL. W/ABS

707277X

$653.99

Detroit Dana 70 Locker 35 spline

DTS225S14

$567.65

Detroit Dana 70 Locker 2 piece case 35 spline

DTS225S18

$567.65

Detroit Dana 70 HD Soft Locker 35 spline 4.56-up

DTS225SL58A

$788.88

Detroit 70 HD Soft Locker 35 spline 4.10-down

DTS225SL58B

$788.88

 
Detroit 70 U Soft Locker 35 spline 4.56-up

DTS225SL58C

$788.88

 
Detroit 70 Soft Locker 35 spline

DTS225SL58D

$788.88

 
Detroit 70 Soft Locker 35 spline

DTS225SL58E

$788.88

 
LockRight Dana 70 35 spline 3.73, 4.10, 4.56

2710

$398.48

 
LockRight Dana 70 32 spline

2711

$398.48

 
LockRight Dana 70 35 spline

2720

$350.31

 
No-Slip Positraction Open differential 32 spline

92-0470-3200

$543.29

 
No-Slip Positraction Open differential 37 spline

92-0470-3500

$543.29

 

We offer a complete line of products to improve the perfromance of your vehicle, check out the following links:
 
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