Spicer Torsionally Tuned-40 Tandem Drive Axles User Manual
®
Spicer® Torsionally Tuned-40
Tandem Drive Axles
DST40
DST41
40,000 lbs. [19,958 kg
The Spicer®Drivetrain Torsional-Reduction
Tandem Drive Axle
Specially “Tuned” and designed to
significantly reduce damaging driveline
torsionals that can destroy many
drivetrain components.
Features:
•
Innovative combination of hypoid and
spiral bevel gearing significantly reduces
excessive inter-axle driveline angles.
•
Eliminates need for “broken-back” axle
set-up in air-ride suspensions.
•
Keeps driveline torsional accelerations well
below acceptable limits at the full-range of ride
heights.
•
Promotes parallel axle installation with common
suspension seat brackets.
•
Less vehicle vibration and improved ride
characteristics.
•
Several patented design features.
Low Cost of Operation Features:
•
Exclusive Micro-Lip seal and slinger system
keeps lube in and contamination out.
•
Patented no maintenance axle venting
system.
Torsionally Tuned-40
•
500,000 mile lube drain interval with approved
synthetic lube and oil bath seal or LMS
®
™
Hub System for linehaul applications.
•
Fast-fade, high strength, axle housing designed
for today’s air-ride suspensions.
•
Patented Flow-ThruTMlube system to
maximize lubrication flow in the most demanding
applications.
•
Backed by comprehensive Dana®service
support, the best in the business.
Optional Product Features:
•
Driver controlled full wheel differential lock on
forward axle provides positive traction over
slippery or uneven surfaces.
•
Powerful “gerotor” style lube pump system for
added protection in severe service operations.
•
No costly external lube filters to be damaged,
maintained, or replaced.
•
Premium LMSTMHub System virtually eliminates
wheel seal failures and bearing adjustment.
Spicer® Torsionally Tuned-40
Tandem Drive Axles
MODELS GAWR HOUSING THICKNESS
DST40-(P) 40,000 lbs. .37 in. [9.5 mm]
DST41-(P) 40,000 lbs. .43 in. [11.0 mm]
Available Ratios:
2.64, 2.93, 3.08, 3.25, 3.36, 3.55, 3.70, 3.90, 4.11, 4.33
Driveline Acceleration Results
2000
1800
1600
®
D - Tandem Forward Axle
with Interaxle Differential
R- Tandem Rear Axle
Gearing:
ST - Single Reduction Torsionally Tuned
DT - Single Reduction Torsionally Tuned with
Wheel Differential Lock
Nominal Setting
:noitacifitnedI ledoM:sgnitaR WAG
D ST 4 0 (P)
(P) - Optional Lube Pump
Design Level
(GAW Rating x 10,000 lbs.)
1400
1200
1000
(rads/sec/sec)
800
Driveline Acceleration
600
400
200
0
-1
-.5 0
Standard Hypoid
DST40
Approved Limit
FAILEDMARGINALGOOD
+.5 +1
Ride Height (inches)
Dana Commercial Vehicle Products Group
3939 Technology Drive
Maumee, Ohio, USA 43537
www.dana.com
All applications must be approved by the Application Engineering Department. Specifications and/or design are subject to change without notice or obligation.
Printed in USA AXSL-0044 01/07
Loading...