Fully assembled for easy installation
Adjustable axle alignment feature
Available for single, tandem or triple axle applications
Optional ride height control valve and air generation kits are available
2 year limited warranty

AIRFLEX® for 7,000 Lb. Axles – Before May 2010
5500 - 7000 LBS. CAPACITY

Service Parts Only
9
8
8

12

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#
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
ns - not shown

81

5500 - 7000 LBS. CAPACITY

AIRFLEX® for 7,000 Lb. Axles – After May 2010
15

16

3
LH

17

1

Torsion Axle

14

13
12

Height Control Valve Kit
See Kit Instructions
Ordered with Suspension

2
RH

4

11
5

10

fl
Air

p
Ex

9

_8
ex

-10

Note:
All dimensions are shown at the
design height position

8

25.25
Tube Cross Member
3½" x 3½"

7

6

12

11
9.00
Bolt Torque Chart
Size
Ft. Lbs.
⅜-16
25
¾-10
270

AIRFLEX® Suspension Components 7000#
Item Part No.
Qty/Axle Description
1 n/a
1
Torsion Axle with Suspension Brackets
2 003-327-00
1
RH Frame Bracket
3 003-326-00
1
LH Frame Bracket
4 003-323-00
2
Channel, Air Spring Support
5 W01-358-6947
2
Firestone Air Spring
6 014-123-00
2
Pivot Bushing Kit
7 014-127-00
2
Bushing Spacer/Liner
8 n/a
2
³⁄₄-10 UNC x 4.5" LG HHCS
9 n/a
2
³⁄₄-10 UNC Stover Lock Nut
10 n/a
8
³⁄₈-16 UNC x 1.5" LG HHCS
11 n/a
8
³⁄₈ Regular Split Lock Washer
12 n/a
8
³⁄₈-16 UNC x 1" LG HHCS
13 n/a
2
¹⁄₄ NPTM x ¹⁄₄ T 90° Elbow, Swivel
14 n/a
2
¹⁄₄ x 6.25" LG Nylon Tube
15 n/a
2
Grommet
16 n/a
2
¹⁄₄ T Union Tee
17 n/a
2
¹⁄₄ T Plug
Air Supply Kits
ns K71-692-01
Ride Height Control Kit
ns K71-692-02
Air Supply and Control Kit
ns K71-692-03
Air Control Kit Without Air Supply
ns 059-809-00
Installation Instructions (available on Dexter website)
n/a - not available
ns - not shown

82

3.34

3.99

FORWARD

General Applications
7200 LBS. CAPACITY

Axle Types
7200 Lbs. Capacity
• Complete service manual
• 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"
• 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.
• Inner wiring system for easier installation and
protection of brake wiring

12V

D72 LEAF SPRING

•
•
•
•
•
•
•
•
•
•

Heavy wall 3" 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
Slipper leaf spring suspension
Heavy duty suspension parts available
Optional rubber bushed suspension
Optional hanger and attaching parts kits available
Durable, wear-resistant components
2 year limited warranty

• Totally rubber-cushioned for smooth, quiet, independent ride
• Easy installation with less maintenance
• Less transfer of road shock which insulates cargo from road
shocks and vibration
• Rubber cords compounded for maximum dependability
and durability
• Load-carrying cross member
• Self-damping action
• Independent wheel suspension system
• 5 year limited warranty on suspension system
• Low profile for maximum road clearance
• Various starting angles to control trailer height
• High and low profile brackets with optional mounting brackets
are available
• Rubber cushioning eliminates metal-to-metal contact
• Shock absorption provided by the natural hysteresis of rubber
• Single or tandem axle assemblies
• Durable, wear-resistant components
CAUTION: Triple axle assemblies are NOT recommended
for #12V Torflex® axles.

83

7200 LBS. CAPACITY

Torflex® Application Information
12V

Articulation Dimensions
Dimensions are for top mount only. Side
mount is .31" higher. Allow 3" bump
clearance from full load.

Top of
Bracket

Forward

Arm

H

Len

gth

Start Angle

DE
XTE
R

Center of
Spindle

Left Hand
Assembly Shown
Axle Location

No

Load

Full

Load

Shock

Load

Start
Angle

Bracket
Profile

H

L

H

L

H

L

45°
Down

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

32°
Down

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

22.5°
Down
10°
Down

0°

10°
Up
22.5°
Up

12V

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