The Dana Spicer 70-40-81X or 704081X is an SPL70 series tube shaft designed for heavy-duty driveline applications. It features a 3.500 in. tube diameter with a 0.095 in. wall thickness and a 26/27-tooth involute spline profile based on 27 splines, with a major diameter of 1.752 in. and a neck diameter (max) of 1.549 in. The spline carries a Glidecote coating for reduced friction and long service life. Key dimensional references: spline length (L) of 3.500 in., end-of-spline to weld (K) of 8.752 in., end-of-spline to radius (R) of 7.140 in., and a butt diameter of 3.31 in. Manufactured from steel. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your driveline configuration.
Features
Dana Spicer SPL70 series tube shaft, part 70-40-81X or 704081X
Fits 3.500 in. tube diameter with 0.095 in. wall thickness
26/27-tooth involute spline, based on 27 splines; major diameter 1.752 in.
Glidecote spline coating for reduced friction and wear
End-of-spline to weld (K) dimension: 8.752 in.; spline length (L): 3.500 in.
Steel construction; butt diameter 3.31 in., neck diameter (max) 1.549 in.
Tech Specs
- Series: SPL70
- Part Type: Tube Shaft
- Material: Steel
- Fits Tube Diameter: 3.500 in.
- Fit Tube Wall Thickness: 0.095 in.
- Spline Count: 26/27 (based on 27 splines)
- Spline Type: Involute
- Glidecote Spline: Yes
- Major Diameter: 1.752 in.
- Neck Diameter (Max): 1.549 in.
- Butt Diameter: 3.31 in.
- Length of Spline (L): 3.500 in.
- End of Spline to Weld (K): 8.752 in.
- End of Spline to Radius (R): 7.140 in.
- Type: I
- VMRS Code: 024002056
