36

U-40 Axle Assembly

4,000 - 4,400 lb.

The U-40 axle utilizes AL-KO’s patented hexagonal design. This design consists of three rubbercords on each side of the axle assembly which are encased under pressure between the hexagonalouter tube and triangular inner tube. Every AL-KO axle is designed, manufactured and testetto meet your specifi c application.

97 mm outer axle tube

Independent suspension - German engineered

Various start angles allow precise trailer ride height

Double lipped spring loaded seals

Precision machined spindle with inner journal dimension of 1 3⁄8” and an outerjournal dimension of 1 1⁄16”

Available in 545, 5475, 550, 555, or 655 bolt patterns

Integral cast hubs / drums CNC machined accuracy

CSA approved 10” electric brake

Grease lubrication or the optional premium UltruLube System

2 year limited warranty on complete axle assembly

5 year limited warranty on Rubber Suspension System

Shown with UltruLube System

37

Overhang Chart*

TypeCapacity

MaxMin

Hub FaceA**

Min MaxB

Min Max C

U-40 4000 52.91 13.05 20.00 15.45 22.40 6.28*Hub face measurements only available in 1/4” increments**Add 1” minimum for side mount brackets turned outward

Type A B C D E F* G

U-40 2.40 7.90 0.56 6.30 3.95 2.63 5.10

Bracket Dimensions

*Optional high rise brackets available on request

A

B

F

G

C

6 5/16"

A

B

C

C

C

CC

C

E

C C

D

C

1"

A A

B

C

CENTER TO

CENTER

9/16” X 1”HOLE DIAMETER

SIDE PLATEHOLE DIAMETER

AXLE CENTER POINT

OUTSIDEMEASUREMENTOF MAIN RAILS BRACKET

CENTERMEASUREMENT

TOP MOUNTBRACKET

SIDE MOUNT BRACKET(SHOWN WITH OPTIONAL REMOVABLE

MOUNTING BRACKET)

SWING ARMCLEARANCE

HUB FACEMESUREMENT

SHOCK LOAD

RATED LOAD

UNLOADED

500

- 2,2

00 lb

.Type

Start Angle

A Rated Shock Unloaded Load Load

B Rated ShockUnloaded Load Load

U-40 +40 6.6 4.5 3.0 4.8 5.9 6.3

+25 5.3 2.6 0.9 5.7 6.3 5.6

+10 3.7 1.1 (0.6) 6.2 6.1 5.3

0 2.6 0.0 (1.5) 6.3 5.7 4.8

-10 1.5 (0.9) (2.2) 6.2 5.3 4.4

-20 0.4 (1.9) (3.2) 5.9 4.7 3.7

Total Swing Arm Travel

4,00

0 - 4

,400

lb.

38

H-44 Axle Assembly

4,000 - 4,400 lb.

The H-44 axle utilizes AL-KO’s patented hexagonal design. This design consists of three rubbercords on each side of the axle assembly which are encased under pressure between the hexagonalouter tube and triangular inner tube. Every AL-KO axle is designed, manufactured and testetto meet your specifi c application.

120 mm outer axle tube

Independent suspension - German engineered

Various start angles allow precise trailer ride height

Double lipped spring loaded seals

Precision machined spindle with inner journal dimension of 1 3⁄8” and an outerjournal dimension of 1 1⁄16”

Available in 655 bolt pattern

Integral cast hubs / drums CNC machined accuracy

CSA approved 10” electric brake

Grease lubrication or the optional premium UltruLube System

2 year limited warranty on complete axle assembly

5 year limited warranty on Rubber Suspension System

Shown with UltruLube System

39

Overhang Chart*

TypeCapacity

MaxMin

Hub FaceA**

Min MaxB

Min Max C

H-44 4000 52.70 12.85 32.00 15.25 34.40 6.17*Hub face measurements only available in 1/4” increments**Add 1” minimum for side mount brackets turned outward

Type A B C D E F* G

H-44 2.40 9.80 0.69 8.00 4.90 2.75 6.00

Bracket Dimensions

A

B

F

G

C

6.29 "

C

C

C

CC

C

E

D

A

BC C

C

A A

B

C

CENTER TO

CENTER

11/16”HOLE DIAMETER

SIDE PLATEHOLE DIAMETER

AXLE CENTER POINT

OUTSIDEMEASUREMENTOF MAIN RAILS BRACKET

CENTERMEASUREMENT

TOP MOUNTBRACKET

SIDE MOUNT BRACKET(SHOWN WITH OPTIONAL REMOVABLE

MOUNTING BRACKET)

SWING ARMCLEARANCE

HUB FACEMESUREMENT

SHOCK LOAD

RATED LOAD

UNLOADED

500

- 2,2

00 lb

.Type

Start Angle

A Rated Shock Unloaded Load Load

B Rated ShockUnloaded Load Load

H-44 +40 6.9 4.9 3.4 4.6 5.6 6.0

+25 5.0 2.7 0.8 5.6 6.0 5.5

+10 4.0 1.5 (0.1) 5.9 5.8 5.0

0 3.0 (0.6) (0.9) 6.0 5.5 4.6

-10 2.0 (0.4) (1.5) 5.9 5.0 4.2

-20 1.0 (1.1) (2.4) 5.6 4.6 3.5

Total Swing Arm Travel

4,00

0 - 4

,400

lb.

42

Service Replacement Parts10” x 2 1/4” Drum 4.4K

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

1 Grease Seal Double Lipped 568861 568861

2 Inner Bearing Cone 68149 363192 093705

3 Inner Bearing Cup L68111 363914 093718

4 Idler Hubs w / Cups & Studs — —

4 6 on 5.5” Bolt Circle 568955 —

5 Stud ½” - 20 x 2 (Zinc) 1530092 —

5A Stud ½” - 20 x 1.81 Long Knurl 363907 09251525

6 Wheel Nut, 1/2” - 20 60° Cone 363203 090608

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

7 Outer Bearing Cup LM67010 363912 093702

8 Outer Bearing Cone LM67048 363197 093704

9 Spindle Washer 1” x 1 ¾” O.D. 363259 090509

10 Cotter Pin 363258 091901

11 Spindle Nut 1” - 14 363257 09060101

12 Grease Cap 363199 092102

13 Grease Cap (UL) 363496 09210101

14 Rubber Plug (UL) 568067 09213611

WARNING: AL-KO Kober Corporation manufacture hubs and drums that are compatible with many wheels used in the trailer industry that have matching bolt patterns.AL-KO does not manufacture wheels, nor do they recommend a specifi c wheel for compatibility with the hubs and drums they manufacture. The wheel manufacturer should be contacted for proof of compatibility before use.

Required with UL Spindle

4,000 - 4,400 lb.4.0K brake drum service replacement parts can be found on page 34.

43

Service Replacement Parts10” x 2 1/4” Electric Brake 4.0K / 4.4K

WARNING: AL-KO Kober Corporation manufacture hubs and drums that are compatible with many wheels used in the trailer industry that have matching bolt patterns.AL-KO does not manufacture wheels, nor do they recommend a specifi c wheel for compatibility with the hubs and drums they manufacture. The wheel manufacturer should be contacted for proof of compatibility before use.

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

0 RH Brake Assembly Complete 568998 —

0 LH Brake Assembly Complete (Shown) 568999 —

1 Shoe Hold Down Pin 568094 09661104

2 Brake Mounting Nut 7⁄16” - 20 363312 090616

4 Backing Plate Assembly — —

5 Brake Mounting Stud (7⁄16” - 20) 6722 090762

6 RH Lever Assembly 568121 60283001

6 LH Lever Assembly (Shown) 568122 60282901

7 Clip, Wire & Magnet 568092 09680815

8 Strain Relief (Magnet Wire) 568090 —

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

9 Magnet Spring 568103 096522

10 Magnet Assembly K568119 —

11 Primary Shoe & Lining 568995 —

12 Secondary Shoe & Lining 568996 —

13 Shoe Hold Down Cap & Spring 568093 10443

14 Shoe Retract Spring 568097 09650603

15 Adjuster Screw Spring 568095 096526

16 Adjuster Screw Assembly 568110 60272401

16 Adjuster Screw Socket 568086 60272801

Magnet Wire Loom 568337

4,00

0 - 4

,400

lb.