Precision Gear - Dana 70 Ring and Pinion Gear Sets

Ring Gear Diameter:
Pinion Shaft Diameter:
Ring Gear Bolts:
Right Hand Threads:
Pinion Splines:
Cover Bolts:

10.5"
1.750"
12
1/2" x 20
29
10

Model	Year
F350	85-03
F250	02-03
F350	85-03
F450	00-03

Ratio	Teeth	Part #
3.54	46-13	706D/354
3.73	41-11	706D/373
4.10	41-10	706D/410
4.56	41-9	706D/456
4.88	39-8	706D/488
5.13	41-8	706D/513
5.86	47-8	706D/586

.............................................

• Fits Dana 70 Standard
• Fits Dana 70HD

All gear sets are designed for a 5/8" pinion offset, “HD” designates Heavy Duty and “U” designates Light Duty.

Installation Kits	Part #
Master Installation Kits
Dana 70	70D/MOKIT
Dana 70 HD	70D/MOKITHD
Dana 70U	70D/MOKITU
Installation Kits
Dana 70	70D/KIT
Dana 70U	70D/KITU
Mini Installation Kit
Dana 70	70D/MKIT
Dana 70U	70D/MKITU
Carrier Bearing Set-Up Kit
	60D/CBSU •
	80D/CBSU •
Pinion Bearing Set-Up Kit
	PINSU8
	PINSU9

Tech Note:
When replacing a 4.10 and numerically lower ratio gear set with a 4.56 or higher gear, the case must be changed to a 4.56 and higher case.

• Dana 28
• Dana 30
• Dana 30 
  Reverse
• Dana 35
• Dana 35
  Reverse
• Dana 36
• Dana 44
• Dana 44
  Reverse
• Dana 44V
• Dana 50
• Dana 60
• Dana 60 
  Reverse
• Dana 70
• Dana 80