Humphreys Hitch and Trailer Parts

Serving Pensacola for over 25 Years!
Questions? Call Us +1 (850) 941-4010.

#13 Torflex® AXLE SPECIFICATIONS

Suspension:

Features an independent suspension cushioned with rubber, providing a smooth, quiet ride with no transfer of road shock from one wheel to the other. (No springs required)

Bolt Pattern Options:

  • 8 on 6 1/2" (9/16" Standard or Optional 5/8")

Brake Options:

Forward Self-Adjusting.
  • 12 1/4" x 3 3/8" Electric
  • 12 1/4" x 3/38" Hydraulic (Duo-Servo Standard Optional Uni-Servo) Some availabe with Parking Feature.
  • Hydraulic Disc
  • ABS Equipped options for hydraulic brakes

Spindles:

25580 Inner and 02475 Outer Bearings

Tubing:

  • 3.88" OD Square

Lubrication:

  • Oil Bath
  • E-Z Lube®
  • Nev-R-Lube®
#13 Torflex® MOUNTING DETAILS
Dexter #9 Torflex Hubface and Mounting Brackets
Difference between hubface and outside mounting brackets
Minimum
Short 17.00" (8.5" per side)
Standard 18.00" (9.00" per side)
Maximum
43.00" (21.5" per side)
NOTE" Minimums are based on manufacturing tolerances only. Some tire and wheel combinations may create interference.
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.
Dexter Torflex Axle Full Load Dimensions
Dexter Torflex Axle Full Load Dimensions
Dexter Torflex Axle Full Load Dimensions
H=Center Line of Spindle to top of bracket. B=Top of bracket to ground. C=Top of bracket to top of tire.
D=Center Line of spindle to ground. E=Center Line of spindle to top of tire.
Start Angle
 
45° Down
22.5° Down
10° Down
10° Up
22.5° Up
 
Tire
H
B
C
H
B
C
H
B
C
H
B
C
H
B
C
H
B
C
D
E
10R17.5 HC
4.6
20.2
13.4
2.3
17.9
15.7
1.0
16.6
17.0
-0.1
15.5
18.1
-1.0
14.6
19.0
-2.0
13.6
20.0
15.6
18.0
215/75R 17.5
4.6
18.6
10.7
2.3
16.3
13.0
1.0
15.0
14.3
-0.1
13.9
15.4
-1.0
13.0
16.3
-2.0
12.0
17.3
14.0
15.3
12-16.5 LT
4.6
19.5
11.2
2.3
17.2
13.5
1.0
15.9
14.8
-0.1
14.8
15.9
-1.0
13.9
16.8
-2.0
12.9
17.8
14.9
15.8
9.50-16.5 LT
4.6
18.7
10.6
2.3
16.4
12.9
1.0
15.1
14.2
-0.1
14.0
15.3
-1.0
13.1
16.2
-2.0
12.1
17.2
14.1
15.2
9R 17.5 HC
4.6
20.0
12.5
2.3
17.7
14.8
1.0
16.4
16.1
-0.1
15.3
17.2
-1.0
14.4
18.1
-2.0
13.4
19.1
15.4
17.1
Start Angle
 
45° Down
 
Tire
H
B
C
D
E
10R17.5 HC
4.6
20.2
13.4
15.6
18.0
215/R 17.5
4.6
18.6
10.7
14.0
15.3
12-16.5 LT
4.6
19.5
11.2
14.9
15.8
9.50-16.5 LT
4.6
18.7
10.6
14.1
15.2
9R 17.5 HC
4.6
20.0
12.5
15.4
17.1
 
22.5° Down
 
Tire
H
B
C
D
E
10R17.5 HC
2.3
17.9
15.7
15.6
18.0
215/75R 17.5
2.3
16.3
13.0
14.0
15.3
12-16.5 LT
2.3
17.2
13.5
14.9
15.8
9.50 16.5 LT
2.3
16.4
12.9
14.1
15.2
9R 17.5 HC
2.3
17.7
14.8
15.4
17.1
 
10° Down
 
Tire
H
B
C
D
E
10R17.5 HC
1.0
16.6
17.0
15.6
18.0
215/75R 17.5
1.0
15.0
14.3
14.0
15.3
12-16.5 LT
1.0
15.9
14.8
14.9
15.8
9.50-16.5 LT
1.0
15.1
14.2
14.1
15.2
9R 17.5 HC
1.0
16.4
16.1
15.4
17.1
 
 
Tire
H
B
C
D
E
10R17.5 HC
-0.1
15.5
18.1
15.6
18.0
215/75R 17.5
-0.1
13.9
15.4
14.0
15.3
12-16.5 LT
-0.1
14.8
15.9
14.9
15.8
9.50-16.5 LT
-0.1
14.0
15.3
14.1
15.2
9R 17.5 HC
-0.1
15.3
17.2
15.4
17.1
 
10° Up
 
Tire
H
B
C
D
E
10R17.5 HC
-1.0
14.6
19.0
15.6
18.0
215/75R 17.5
-1.0
13.0
16.3
14.0
15.3
12-16.5 LT
-1.0
13.9
16.8
14.9
15.8
9.50-16.5 LT
-1.0
13.1
16.2
14.1
15.2
9R 17.5 HC
-1.0
14.4
18.1
15.4
17.1
 
22.5° Up
 
Tire
H
B
C
D
E
10R175 HC
-2.0
13.6
20.0
15.6
18.0
215/75R 17.5
-2.0
12.0
17.3
14.0
15.3
12-16.5 LT
-2.0
12.9
17.8
14.9
15.8
9.50-16.5 LT
-2.0
12.1
17.2
14.1
15.2
9R 17.5 HC
-2.0
13.4
19.1
15.4
17.1
ARTICULATION DIMENSIONS
ALLOW 3" BUMP CLEARANCE FROM FULL LOAD.
Positive numbers indicate spindle is below the top of the bracket, negative numbers are above.
Dexter Torflex #13 Axle 0 Degree Articulation Dimensions
Dexter Torflex #13 Axle 10 Degree Up Articulation Dimensions
Dexter Torflex #13 Axle 22.5 Degree Up Articulation Dimensions
Dexter Torflex #13 Axle 10 Degree Down Articulation Dimensions
Dexter Torflex #13 Axle 22.5 Degree Down Articulation Dimensions
Dexter Torflex #13 Axle 45 Degree Down Articulation Dimensions
*Top of bracket