JSK 50

Advantages at a glance

  • Heavy duty fifth wheel coupling made from cast steel
  • For highest loads
  • For 3 ½“ king pins

Selection table / Versions available

Order No. D value (kN) Imposed load U(t) Weight (kg) Approval (EC) WA
JSK 50 300.0 50 290.0 E1 55R-01 2504 M
JSK 50 E1 40 R2 AA 300 50.0 290.0 E1 55R-01 2504 Z

Technical Specification

Suitable for 3 ½“ king pins (G S) as per ECE R55-01, DIN 74083, ISO 4086 and steering wedges as per ECE R55-01, DIN 74085.

Mounting plate for JSK 50

Order No. D value (kN) Imposed load U (t) Weight (kg) Approval (ECE) Screw Set fifth wheel – MP
MP 0925 300 50 128.0 E1 55R-01 2496 SK 2410-021

Explanations:

WA / Maintenance
Z = Prepared for central lubrication
M = Manual lubrication

JSK 50 / ...Z

Item Description Remark Order No. per set
1 Socket head bolt SK 2421-08 3
2 Wearing ring 3 1/2", compl. with 01 SK 2421-56 1
3 Nut and bolt SK 1976 1
4 Lubrication tube SK 1989-003 1
5 Lubrication tube compl. with 06, for Typ Z SK 2508-02 1
6 Cable tie SK 3121-13 1
7 Tension spring SK 2106-01 2
8 Hexagon bolt compl. SK 2421-51 1
9 Stopper SK 2405-27 1
10 Guide plate to xx90xxxxxx SK 2405-22 1
11,38 Hexagon bolt compl. from xx91xxxxxx SK 2421-50 2
12 Spring hook compl. SK 1436 1
13 Spring noose compl. from xx91xxxxxx SK 2921-30 1
14 Spring hook NTE 000000400 1
15 Latch holder compl. with 11, from xx91xxxxxx SK 2405-084 1
16 Latch compl. from xx91xxxxxx SK 3121-52 1
17,26 Hexagon bolt compl. from xx91xxxxxx SK 3521-03 2
18 Locking bar SK 2405-01 1
19 Bar bolt compl. SK 2121-14 1
20 Double tension spring SK 2405-23 1
21 Lever SK 2405-04 1
22 Bearing SK 2405-15 1
23 Hexagon bolt compl. SK 2421-52 1
24 Washer SK 2405-19 1
25 Spring noose SK 2405-09 1
27 Lock jaw compl. with 06, 3 1/2" for Typ Z SK 2405-14 Z 1
28 Bolt SK 2405-18 1
29,37 Handle Standard version SK 2405-066 1
30 Pedestal compl. with 31 + 32 SK 2821-51 2
31 Bearing bushing SK 2805-03 4
32 Cylindrical notched pin SK 1533 8
33 Pivot pin SK 2805-01 2
34 Plate SK 2805-02 2
35 Locking bolt SK 2521-05 8
36 Taper grease nipple SK 2521-04 2
39 Traction rope compl. from xx91xxxxxx SK 3521-02 1

Repair kits

Item Description Remark Order No.
01, 02, 07, 12, 20, 27, 28 Repair kit for lock 3 1/2" SK 2421-76
37, 38, 39 Retrofit kit handle extension compl. SK 3121-063
01, 02, 05, 07, 12, 20, 27, 28 Repair kit for lock 3 1/2", for type Z SK 2421-76 Z

Videos


PDF-Downloads


Mounting and Operating Instructions
JSK - first greasing 03/2017
JSK 38 / 50 06/2015
 
Repair kits
JSK 38 / 50 06/2012
 
Flyer
Original spare parts Better safe than sorry! 09/2014
Original spare parts Better safe than sorry! 09/2016
Repairkits Original spare parts 05/2016
Repairkits Original spare parts 09/2016
Wear Limit Gauges 09/2016