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Fifthwheel JSK50

The document describes the JSK 50 heavy duty fifth wheel coupling, designed for tough conditions with a D rating of 300 kN and a load capacity of up to 50,000 kg. It features a self-adjusting locking device for 3.5” king pins and is compatible with various rear axle steering systems. Additionally, it includes a list of spare parts and repair kits available for the coupling.

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47 views2 pages

Fifthwheel JSK50

The document describes the JSK 50 heavy duty fifth wheel coupling, designed for tough conditions with a D rating of 300 kN and a load capacity of up to 50,000 kg. It features a self-adjusting locking device for 3.5” king pins and is compatible with various rear axle steering systems. Additionally, it includes a list of spare parts and repair kits available for the coupling.

Uploaded by

esdarrambung
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Heavy duty fifth wheel

coupling 31/2” Pivot bearing

JSK 50

A heavy duty fifth wheel for arduous


conditions
D rating 300 kN
imposed load up, to 50.000 kg.
JOST self-adjusting locking device for 31/2”
King pins.
Suitable for all types of rear axle steering
systems.
Weight: 290 Kg.
Bolt on type Pedestals
CRN 24502

Mounting must be carried out in accordance with our instructions.


8/08

Jost Australia Pty. Ltd. Sydney (02) 9838 8100


Toll Free Sydney 1800 811 487 Brisbane (07) 3272 5777
www.jostaustralia.com.au Melbourne (03) 9360 9001
108 Perth (08) 9355 4137
Spare parts for type JSK 50
fifth wheel coupling

Fig. Description Part No. Fig. Description Part No.

1 Socket head bolt SK 2421-08 23 Washer SK 2405-19


2 Wearing ring 31/2”, compl. with 1 SK 2421-56 24 Spring noose SK 2405-09
3 Nut and bolt SK 1976 25 Hexagon bolt, complete SK 2421-53
4 Lubrication tube SK 1989-003 26 Hexagon bolt, complete SK 2421-51
5 Guide plate SK 2405-22 27 Latch SK 2405-27
6 Hexagon bolt, complete SK 2421-50 28 Handle SK 2405-066
7 Spring hook, complete SK 1436 29 Bearing bushing SK 2805-03
9 Latch holder, compl. with 10 SK 2405-084 30 Cylindrical notched pin SK 1533
10 Clamping pin 000.003.027 31 Pivot pin SK 2805-01
11 Spring noose with spacer SK 2921-30 32 Locking bolt SK 2521-05
12 Latch, complete SK 3121-52 33 Plate SK 2805-02
13 Hexagon bolt, complete SK 3521-03 34 Grease nipple SK 2521-04
14 Tension spring SK 2106-01 35 Pedestal, compl. with 29 + 30 SK 2821-51
15 Lock jaw 31/2” SK 2405-14
Repair Kits
15a Lock jaw 31/2” to suit grease nipple SK 2405-14Z
16 Bolt, complete SK 2421-54 1,2,5,7, Repair kit for lock 31/2”
17 Locking bolt SK 2405-01 12,20,
18 Bar bolt, complete SK 2121-14 27,28 SK 2421-76
19 Double tension spring SK 2405-23
Conversion Kits
20 Lever SK 2405-04
21 Hexagon bolt, complete SK 2421-52 31,32, Handle extension retrofit kit, complete
22 Bearing SK 2405-15 34 SK 2821-51

Note: Now Available with Automatic Secondary Locking


8/08

Jost Australia Pty. Ltd. Sydney (02) 9838 8100


Toll Free Sydney 1800 811 487 Brisbane (07) 3272 5777
www.jostaustralia.com.au Melbourne (03) 9360 9001
109 Perth (08) 9355 4137

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