NHTSA ID Number: 10175983
Manufacturer Communication Number: LIT-122-00
TSB/Document Date: 2020-06-02
Summary
Light Duty Catalog 600-8,000 Lbs. Axle Capacity
p
Ex
6
_8
ex
-10
Note:
All dimensions are shown at the
design height position
6
25.25
Tube Cross Member
3½" x 3½"
6
6
8
9
9.00
Bolt Torque Chart
Size
Ft. Lbs.
⅜-16
25
¾-10
270
AIRFLEX® Suspension Components 7000 lbs.
Item
1
2
3
4
5
6
Part No.
Qty/Axle Description
n/a
1
Torsion Axle with Suspension Brackets
003-327-00
1
RH Frame Bracket
003-326-00
1
LH Frame Bracket
003-323-00
2
Channel, Air Spring Support
W01-358-6947
2
Firestone
Air Spring
K71-734-00
1
Airflex Pivot Bushing Replacement Kit Contains:
2
2
2
2
7 n/a
8 n/a
9 n/a
10 n/a
11 n/a
12 n/a
13 n/a
14 n/a
Air Supply Kits
ns K71-692-01
ns K71-692-02
ns K71-692-03
ns 059-809-00
3.34
006-287-00
007-466-00
014-123-00
014-127-00
3.99
FORWARD
Please see page 9 for an overview
of the Airflex® Suspension system.
Nut, Hex Locking
Bolt, Hex
Pivot Bushing Assembly
Pivot Bushing Spacer
8
8
8
2
2
2
2
2
³⁄₈-16 UNC x 1.5" LG HHCS
³⁄₈ Regular Split Lock Washer
³⁄₈-16 UNC x 1" LG HHCS
¹⁄₄ NPTM x ¹⁄₄ T 90° Elbow, Swivel
¹⁄₄ x 6.25" LG Nylon Tube
Grommet
¹⁄₄ T Union Tee
¹⁄₄ T Plug
-
Ride Height Control Kit
Air Supply and Control Kit
Air Control Kit Without Air Supply
Installation Instructions (available on Dexter
website)
n/a - not available
ns - not shown
82 | 2020.05
LIGHT DUTY CATALOG
600-8,000 LBS. AXLE CAPACITY
Airflex® for 7,000 lbs. Axles
Before May 2010 - Service Parts Only
9
8
8
12
5500-7000 LBS.
CAPACITY
12
5
6
3
4
11
1
10
14
13
2
9
6
-0
7
14
E x p A IR F
LEX
_5
13
AIRFLEX® Suspension Components 7000 lbs.
Item Part No.
Qty/Axle Description
1 003-272-00
1
LH Suspension Assembly (shown) (incl. items 2-11)
1 003-273-00
1
RH Suspension Assembly (incl. items 2-11)
Air Spring & Mounting Hardware
2 034-279-00
2
Air Spring
3 006-122-01
2
¾"-16 Jam Nut
4 005-143-00
2
¾" Lock Washer
5 006-116-00
2
½"-13 Hex Nut
6 005-058-00
6
½" Lock Washer
7 007-259-00
4
½"-13 Hex Bolt
Suspension Mounting Hardware
8 003-261-00
2
Side Mount Bracket
9 007-177-00
6
⁵⁄₈" Mounting Bolt
10 006-126-00
6
⁵⁄₈" Locknut
11 005-111-00
6
⁵⁄₈" Washer
Axle Attaching Hardware
12 011-090-01
8
³⁄₄" U-Bolt
13 006-113-00
16
³⁄₄" Locknut
14 012-065-01
4
Tie Plate
Air Supply Kits
ns K71-632-01
Tandem Plumbing Kit with Ride Height Control Valve
ns K71-632-02
Air Generation Kit (includes compressor and tank)
ns K71-632-03
Manual Dump Valve Kit
ns K71-632-04
Tri-Axle Conversion Plumbing Kit
Please see page 9 for an overview
of the Airflex® Suspension system.
ns - not shown
LIGHT DUTY CATALOG
600-8,000 LBS. AXLE CAPACITY
2020.05 | 83
Application Information
7200 LBS. CAPACITY
• Improved bearing package; unitized seals
• Standard grease lubrication; optional oil bath; E-Z Lube®
option
• 12¹⁄₄" x 2¹⁄₂" electric brakes, CSA approved at 7100 lbs.
• 12¹⁄₄" x 2¹⁄₂" self adjusting electric brake
• Inner wiring system for easier installation and protection of
brake wiring
• Digital service manual available at www.dexteraxle.com
• Precision machined steel spindles and integral cast iron hub/
drums
• Finned brake drums for better heat dissipation
• Press-in wheel studs, ⁹⁄₁₆" or ⁵⁄₈"
Torflex® Application Information
12V
Top of
Bracket
7200 LBS.
CAPACITY
Forward
Arm
H
Len
gth
Start Angle
DE
XTE
R
Center of
Spindle
Left Hand
Assembly Shown
Axle Location
L
Start
Angle
45° Down
32° Down
22.5°
Down
10° Down
0°
10° Up
22.5° Up
84 | 2020.05
Bracket
Profile
No
Load
Full
H
L
H
Load Shock Load
L
H
12V
L
Low
6.24
4.24
4.30
5.54
3.17
5.88
High
6.99
4.24
5.05
5.54
3.92
5.88
Low
5.18
5.09
2.99
5.92
1.82
6.00
High
5.93
5.09
3.74
5.92
2.57
6.00
Low
4.30
5.54
2.00
6.00
0.83
5.88
High
5.05
5.54
2.75
6.00
1.58
5.88
Low
3.04
5.91
0.70
5.86
-0.42
5.49
High
3.79
5.91
1.45
5.86
0.33
5.49
Low
2.00
6.00
-0.30
5.54
-1.33
4.99
High
2.75
6.00
0.45
5.54
-0.58
4.99
Low
0.96
5.91
-1.22
5.06
-2.15
4.33
High
1.71
5.91
-0.47
5.06
-1.40
4.33
Low
-0.30
5.54
-2.24
4.24
-2.99
3.33
High
0.45
5.54
-1.49
4.24
-2.24
3.33
ARTICULATION DIMENSIONS
Dimensions are for top mount only. Side mount
is .31" higher. Allow 3" bump clearance from full
load.
CAUTION: Triple axle assemblies are NOT recommended for
#12V Torflex® axles.
H = Height L = Length
Note: Positive numbers in the H column indicate the
spindle is BELOW the top of the bracket. Conversely,
negative numbers are ABOVE the top of the bracket.
See page 7 for an overview of
Torflex®
LIGHT DUTY CATALOG
600-8,000 LBS. AXLE CAPACITY
Torflex® Application Information
12V
FULL LOAD DIMENSIONS
Dimensions are for low profile, top mount only. High profile brackets are .75" higher. Side mount is .31" higher. Allow 3"
bump clearance from full load.
C
E
H
C
Top of
Bracket
Top of
Bracket
D
B
Top of
Bracket
E
H
B
E
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TSB/Document ID: LIT-122-00
Replacement Service Bulletin Number:
MFR Communication Date: 2020-05-15
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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