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
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 (On Dexter
website)
n/a - not available
ns - not shown
92 | 2020.05
LIGHT DUTY CATALOG
600-8,000 LBS. AXLE CAPACITY
Application Information
8000 LBS. CAPACITY
• Digital service manual available at www.dexteraxle.com
• Precision machined steel spindles and integral cast iron hub/
drums
• Standard oil bath lubrication; grease or Nev-R-Lube® option
• Press-in wheel studs, ⁹⁄₁₆" or ⁵⁄₈"
• Hydraulic brakes are available with and without parking
feature
• Hydraulic brakes – uni-servo and duo-servo available
• Hydraulic disc brakes available
•
•
•
•
•
•
•
•
12¹⁄₄" x 3³⁄₈" electric brakes CSA approved at 8,000 lbs.
12¹⁄₄" x 3³⁄₈" self adjusting electric brakes
12¹⁄₄" x 3³⁄₈" hydraulic brakes
Inner wiring system for easier installation and protection of
brake wiring
Heavy wall 3½" diameter tube
Straight or Drop spindles (4" drop only)
High quality alloy steel springs in a variety of capacities
Single, tandem or triple axle assemblies with equalized
suspensions
Torflex® Application Information
13
13T
13N
Top of
Bracket
Forward
Arm
H
Len
gth
Start Angle
DE
XTE
R
Center of
Spindle
CAUTION: Triple axle assemblies are NOT
recommended for #13 Torflex® axles,
however the lbs. 13T axle is designed for
triple applications.
Left Hand
Assembly Shown
Axle Location
Start
Angle
45° Down
32° Down
22.5°
Down
10° Down
0°
10° Up
22.5° Up
Bracket
Profile
No
Load
Full
H
L
H
Load Shock Load
L
H
Low
6.49
4.24
4.55
5.54
3.42
5.88
High
7.18
4.24
5.24
5.54
4.11
5.88
Low
5.43
5.09
3.24
5.92
2.07
6.00
High
6.12
5.09
3.93
5.92
2.76
6.00
Low
4.55
5.54
2.25
6.00
1.08
5.88
High
5.24
5.54
2.94
6.00
1.77
5.88
Low
3.29
5.91
0.95
5.86
-0.17
5.49
High
3.98
5.91
1.64
5.86
0.52
5.49
Low
2.25
6.00
-0.05
5.54
-1.08
4.99
High
2.94
6.00
0.64
5.54
-0.39
4.99
Low
1.21
5.91
-0.97
5.06
-1.90
4.33
High
1.90
5.91
-0.28
5.06
-1.21
4.33
Low
-0.05
5.54
-1.99
4.24
-2.74
3.33
High
0.64
5.54
-1.30
4.24
-2.05
3.33
LIGHT DUTY CATALOG
600-8,000 LBS. AXLE CAPACITY
13
13T
13N
L
ARTICULATION DIMENSIONS
Dimensions are for top mount only. Side mount
is .31" higher. Allow 3" bump clearance from full
load.
8000 LBS.
CAPACITY
L
Note: #13T is not available with low profile
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®
2020.05 | 93
Torflex® Application Information
13
FULL LOAD DIMENSIONS
13N
13T
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
H
Top of
Bracket
D
B
Top of
Bracket
E
B
E
H
B
D
10° Dn, 0°
C
D
22.5° Dn, 45° DN
10° Up, 22.5° Up
Start Angle
Tire
10R17.5HC
215/75R17.5
12-16.5LT
9.50-16.5LT
9R17.5HC
D
E
15.6
14.0
14.9
14.1
15.4
18.0
15.3
15.8
15.2
17.1
Tire
10R17.5HC
215/75R17.5
12-16.5LT
9.50-16.5LT
9R17.5HC
C
D
E
20.2
18.6
19.5
18.7
20.0
13.4
10.7
11.2
10.6
12.5
15.6
14.0
14.9
14.1
15.4
18.0
15.3
15.8
15.2
17.1
32° Down
H
3.2
3.2
3.2
3.2
3.2
C
H
18.8
17.2
18.1
17.3
18.6
14.8
12.1
12.6
12.0
13.9
2.3
2.3
2.3
2.3
2.3
0°
B
C
H
10° Up
B
C
H
22.5° Up
B
C
1.0
1.0
1.0
1.0
1.0
16.6
15.0
15.9
15.1
16.4
17.0
14.3
14.8
14.2
16.1
-0.1
-0.1
-0.1
-0.1
-0.1
15.5
13.9
14.8
14.0
15.3
18.1
15.4
15.9
15.3
17.2
-1.0
-1.0
-1.0
-1.0
-1.0
14.6
13.0
13.9
13.1
14.4
19.0
16.3
16.8
16.2
18.1
-2.0
-2.0
-2.0
-2.0
-2.0
13.6
12.0
12.9
12.1
13.4
20.0
17.3
17.8
17.2
19.1
Low Profile
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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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