52

RT-80 / H-80 Axle AssemblyRT-80 / H-80 Axle Assembly

8,000 lb.

The AL-KO RT-80 axle uses a "42" spindle, while utilizing an aggressive 12" x 2" electric brake. The new 12" x 2" electric brake and drum combination provide excellent stopping power with a more streamlined package, providing the lowest overhang measurements on the market.

The AL-KO H-80 axle uses a "42" spindle which is cold processed for added strength. the H-80 axle comes equipped with a 12" x 3 3/8" electric or hydraulic rear self adjusting brake.

All 8K Rubber Torsion axles utilize AL-KO's patented hexagonal design. This design consists of three rub-ber cords on each side of the axle assembly which are encased under pressure between the hexagonal outer tube and triangular inner tube. Every AL-KO axle, is designed, manufactured and tested to meet your specifi c application.

120mm outer axle tubeIndependent suspension - German engineeredVarious start angles allow precise trailer ride heightPrecision machined spindle with inner journal dimension of 1 ¾” and an outerjournal dimension of 1 ¼”Double lipped spring loadedStandard 865 bolt patterned hubs, available with 9/16" or 5/8" wheel studsIntegral cast hubs / drums CNC machined accuracyCSA approved 12" electric brakeStandard grease lubrication in regular or UltruLube Spindles, oil lubrication available - RT-80Standard oil lubrication or available with grease - H-802 year limited warranty complete axle assembly5 year limited warranty on Rubber Suspension System

53

Overhang Chart*

TypeCapacity

MaxMin

Hub FaceA**

Min MaxB

Min Max C

RT-80 8000 62.00 15.24 21.00 17.84 23.60 7.37

H-80 8000 62.00 17.25 21.00 19.85 23.60 8.37*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

RT-80 2.60 13.00 0.71 9.10 6.50 3.20 6.10

H-80 2.60 13.00 0.71 9.10 6.50 3.20 6.10

Bracket Dimensions

A

B

F

G

C

8"

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

.Start Angle

A Rated Shock Unloaded Load Load

B Rated ShockUnloaded Load Load

+25 5.7 3.2 1.6 5.4 6.0 5.7

0 3.2 0.8 (0.7) 6.0 5.5 4.6

-20 1.2 (0.9) (2.2) 5.6 4.6 3.5

RT-80 and H-80Total Swing Arm Travel

8,00

0 lb

.

56

Service Replacement Parts12" x 2" Brake Drum RT-80, ST-80 and DR-80

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.

1 Oil Seal 568284 09103309

2 Inner Bearing Cone 25580 363196 093703

3 Inner Bearing Cup 25520 363911 093701

4 9⁄16" Oil Hub & Drum 568969 —

4A 9⁄16" Grease Hub & Drum 568896 —

4B 5⁄8" Oil Hub & Drum 568970 —

4C 5⁄8" Grease Hub & Drum 568931 —

5 Wheel Stud 9⁄16" - 18 363906 09251100

5A Wheel Stud 5⁄8" - 18 x 3.00" 363910 090737

6 Wheel Nut 9⁄16" - 18 60° Cone 363895 090640

6A Wheel Nut 5⁄8" - 18 90° Cone 363698 090643

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

7 Outer Bearing Cup, 02420 363917 093744

8 Outer Bearing Cone, 02475 363604 093745

9 Spindle Washer 568326 090509

10 Spindle Nut 363257 09060101

11 Cotter Pin 363258 091901

12 Grease Cap 363419 092110

13 Grease Cap (UL) 363775 09210103

14 Rubber Plug (UL) 568067 09213611

15 Oil Cap Assembly K568347 —

15A O-Ring, Oil Cap 568269 —

15B Oil Cap Plug 568223 092126

42 Spindle

8,000 lb.

Required with UL Spindle

57

Service Replacement Parts12" x 2" Electric Brake RT-80, ST-80 and DR-80

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 568905 —

0 LH Brake Assembly Complete (Shown) 568906 —

1 Brake Mounting Stud, ½" - 20 363989 090761

2 Shoe Hold Down Pin 568094 09661106

3 Plug Adjuster Slot 568089 096932

4 Backing Plate Assembly - 4 Bolt — —

5 Brake Lock Washer 3⁄8" 363334 363334

6 Brake Mounting Nut 3⁄8" - 24 363333 090625

7 RH Lever Assembly 568113 —

7 LH Lever Assembly (Shown) 568114 —

8 Clip, Wire & Magnet 568092 09680815

8A Clip Wire Retainer 568183 —

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

9 Strain Relief, Wire 568090 092715

10 Magnet Spring 568103 096522

11 Magnet Assembly 568111 K568111

12 Primary Show & Lining 568150 —

13 Secondary Shoe & Lining RH 6138 —

13 Secondary Show & Lining LH 6137 —

14 Shoe Hold Down Cup & Spring 568093 10443

15 Shoe Retract Spring 568096 096527

16 Adjuster Screw Assembly 568110 60272401

16 Adjuster Screw Socket 568086 60272801

17 Adjuster Screw Spring 568095 096526

8,00

0 lb

.

58

Service Replacement Parts12" x 3 3/8" Brake Drum T-80, D-80 and H-80

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.

1 Oil Seal 568284 09103309

2 Inner Bearing Cone 25580 363196 093703

3 Inner Bearing Cup 25520 363911 093701

4 Hub & Drum 9⁄16" Stud 4.75 pilot 363694 09080644

4A Hub & Drum 5⁄8" Stud 4.75 pilot 363697 09080654

5 Wheel Stud 9⁄16" - 18 363906 09251100

5A Wheel Stud 5⁄8" - 10 x 3.00" 363910 090737

6 Wheel Nut 9⁄16" - 18 60° Cone 363895 090640

6A Wheel Nut 5⁄8" - 18 90° Cone 363698 090643

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

7 Outer Bearing Cup, 02420 363917 093744

8 Outer Bearing Cone, 02475 363604 093745

9 Spindle Washer 568326 090509

10 Spindle Nut 363257 09060101

11 Cotter Pin 363258 091901

12 Oil Cap Assembly K363587 K363587

12 Oil Cap Assembly (Hayes prior to 1997) K363587.1 K363587.1

12A O-Ring, Oil Cap 568269 —

12B Oil Cap Plug 568223 092126

42 Spindle

8,000 lb.

Electric or Hydraulic Hub and Drum Assembly

59

Service Replacement Parts12" x 3 3/8" Electric Brake T-80, D-80 and H-80

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

0 RH Brake Assembly Complete(Shown) K363602 60204306

0 LH Brake Assembly Complete K363601 60204406

1 Bracke Attaching Nut, ½" - 20 568022 090617

2 Dust Cover 568289 09694612

3 Shoe Hold Down Cotter Pin 568224 091905

4 Shoe Hold Down Nut 568233 090647

6 Show Hold Down Washer 568232 090541

7 Pin Retaining "C" Clip 568249 096806

8 Backing Plate Assembly — —

9 Brake Mounting Stud ½" - 20 568250 09251523

10 Strain Relief Adapter 568258 096937

11 Strain Relief 568243 092715

12 Self Adjuster Pivot Pin 568238 096618

13 RH Auto Adjust Lever (shown) 568253 096321

14 Self Adjuster Bias Lever 568241 096323

15 Self Adjuster Spring 568239 096523

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

16 Shoe and Lining Kit K363924 K363924

17 Shoe Hold Down Bolt 568227 090759

18 Cable Assembly 568245 096936

19 Cable Guide 568246 5758

20 Shoe Retract Spring 568226 5609

21 Self Adjuster Socket 568272 602723

22 RH Adjuster Assembly (Shown) 568256 602717

22 LH Adjuster Assembly 568257 602718

23 Slipper Block 568242 096939

24 RH Lever Assembly (Shown) 568236 603135

24 LH Lever Assembly 568237 603136

25 Magnet Spring 568240 096522

26 Lever Retaining Washer 568248 090540

27 Lever Retaining "E" Clip 568247 096803

28Magnet Assembly Kitcontains #10, #11, #25, #28

— —

8,00

0 lb

.

60

Service Replacement Parts12" x 3 3/8" Hydraulic Brake T-80, D-80 and H-80

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 LH or RH Brake Assembly 568004 60206803

1 Dust Cover 568289.3 —

2 Shoe Hold Down Cotter Pin 568224 09190501

3 Shoe Hold Down Nut 568233 090647

4 Shoe Hold Down Belleville Washer 568225 568225

5 Shoe Hold Down Washer 568232 090541

6 Brake Attaching Nut ½" - 20 568022 090617

7 Bolt 3⁄8" - 16 x 3⁄4" 363334 090532

8 Lock Washer 3⁄8" 363334 090532

9 Backing Plate Assembly — —

10 Shoe Hold Down Bolt 568227 090759

11 Shoe & Lining Kit K363925 K363925

Parts List

No. Brake Part DescriptionAL-KO

Part No.Hayes

Part No.

12 Push Rod (Wheel Cylinder) 568228 09550003

13 Cylinder Wheel 568296 09550002

14 Self-Adjuster Assembly 568259 60273001

14A Rack — —

14B Clevis Pin 3/8" x 3/4" — —

14C Pawl — —

14D Spring-Pawl — —

14E Sleeve Assembly — —

14F Cotter Pin 5/32" x 3/4" — —

15 Shoe Retract Spring 568226 09652912

16 Connector-Brake Line, (Not shown) 568230 09344501

8,000 lb.