JSK 38 G1

Videos

PDF-Downloads

Mounting and Operating Instructions
JSK - first greasing 08/2020
JSK 38 / 50 04/2020
Repair kits
JSK 38/50 Repair Manual 11/2018
Flyer
Handbook Truck seller MAN 07/2022
Handbook Truck seller Renault 10/2025
Repairkits Original spare parts 05/2025
Wear Limit Gauges 10/2025

Pictures

JSK 38 G1

Advantages at a glance

  • Especially robust heavy duty fifth wheel coupling
  • The cardan bearing allows the semi-trailer to be used off-road without distortion
  • Retrofittable from 2" or 3½" and vice versa

    Selection table / Versions available

    Order No.

    H (mm)

    D value (kN)

    Lock

    Imposed load U (t)

    Weight (kg)

    Approval (ECE)

    WA

    ZL

    JSK 38 G1 Z

    290

    260

    3½"

    36

    265

    E1 55R-01 0339

    Z

    K

    JSK 38 G1 ZJ

    290

    260

    3½"

    36

    265

    E1 55R-01 0339

    Z

    J

    JSK 38 G1-2Z

    290

    170

    2"

    28

    265

    E1 55R-01 0443

    Z

    K

    JSK 38 G1-2ZJ

    290

    170

    2"

    28

    265

    E1 55R-01 0443

    Z

    J

    Explanations:

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

    ZL / Handle length
    J = Long handle
    K = Short handle

    Technical Specification

    Designed for 2” king pins (50) as per ECE R55-01, DIN 74080, ISO 337 and steering wedges as per ECE R55-01, DIN 74085 or for 3½“ king pins (S) as per ECE R55-01, DIN 74083, ISO 4086.

    JSK 38 G1 / G1-2" / ...Z

    Spare Parts

    Item

    Description

    Remark

    Order No.

    per set

    1

    Socket head bolt

     

    SK 2421-08

    3

    2

    Wearing ring

    3½", compl. with 01

    SK 2421-56

    1

    2

    Wearing ring

    2", compl. with 01

    SK 2421-57

    1

    3

    Nut and bolt

     

    SK 1976

    1

    4

    Lubrication tube

     

    SK 1989

    1

    5

    Lubrication line

    compl. with cable tie, for type Z

    SK 2508-02

    1

    6

    Spring hook

    compl. up to xx70xxxxxx

    SK 1436

    1

    7

    Latch

    compl.

    SKE240508400

    1

    8

    Stopper

    compl.

    SK 2506-22

    2

    9

    Pressure spring

     

    SK 2506-15

    4

    10

    Clamping sleeve

     

    SK 2521-10

    4

    11

    Bush

     

    SK 2506-35

    2

    12

    Hexagon bolt

    compl.

    SK 2521-50

    4

    13

    Tension spring

     

    SK 2106-01

    2

    14

    Hexagon bolt

    compl.

    SK 2421-51

    1

    15

    Latch

     

    SK 2405-27

    1

    16

    Lock jaw

    compl. with cable tie, 3½" for type M

    SK 2405-14

    1

    16

    Lock jaw

    compl. with cable tie, 3½" for type Z

    SK 2405-14 Z

    1

    16

    Lock jaw

    compl. with cable tie, 2" for type M

    SK 2405-13

    1

    16

    Lock jaw

    compl. with cable tie, 2" for type Z

    SK 2405-13 Z

    1

    17

    Bolt

     

    SK 2405-18

    1

    18

    Bar bolt

    compl.

    SK 2121-14

    1

    19

    Locking bolt

     

    SK 2405-01

    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 2421-53

    2

    24

    Washer

     

    SK 2405-19

    1

    25

    Spring noose

     

    SK 2405-09

    1

    26

    Hexagon bolt

    compl.

    SK 2421-52

    1

    27

    Short handle

    for type K

    SK 2405-066

    1

    28

    Hexagon bolt

     

    SK 2034

    4

    29

    Hexagon bolt

     

    SK 2521-18

    2

    30

    Locking plate

     

    SK 2504-21

    2

    31

    Spacer washer

     

    SK 2504-14

    4

    32

    Plate

     

    SK 2504-18

    1

    33

    Round seal

     

    SK 2521-07

    6

    34

    Bearing bushing

     

    SK 2504-16

    4

    35

    Pedestal BH 290 (ISO)

    with 34, 36 + 38

    SK 2521-52

    2

    36

    Cylindrical notched pin

     

    SK 1533

    8

    37

    Rocker arm

    compl. with 34, 36, 38 + 44

    SK 2521-51

    1

    38

    Taper grease nipple

     

    SK 2521-04

    6

    39

    Spacer washer

     

    SK 1192-1

    2

    40

    Locking ring

     

    SK 1435

    2

    41

    Pivot pin

     

    SK 2504-17

    1

    42

    Clamping plate

     

    SK 2504-19

    1

    43

    Locking plate

     

    SK 2504-20

    1

    44

    Taper grease nipple + extens.

     

    SK 2521-57

    1

    45

    Locking bolt

    for type J

    SK 2405-067

    1

    46

    Hexagon bolt

    compl. for type J

    SK 2421-50

    1

    47

    Latch cord

    compl. for type J

    SK 3521-02

    1

    48

    Long handle

    for type J

    SK 3105-113

    1

    ** Important! When converting the fifth wheel coupling from 2" to 3.5" or 3.5" to 2", ensure that the
    correct type plate with the correct approval number and load data is attached to the fifth wheel coupling.

     

    Repair and retrofit kits

    Item

    Description

    Order No.

    01, 02, 06, 13, 16, 17, 20

    Repair kit for lock 3½", for type G

    SK 2421-76

    01, 02, 05, 06, 13, 16, 17, 20

    Repair kit for lock 3½", for type GZ

    SK 2421-76 Z

    01, 02, 06, 13, 16, 17, 20

    Repair kit for lock 2", for type G

    SK 2421-77

    01, 02, 05, 06, 13, 16, 17, 20

    Repair kit for lock 2", for type GZ

    SK 2421-77 Z

    01, 02, 13, 16

    Conversion kit for lock 3½" in 2", for type G**

    SK 2421-98

    01, 02, 13, 16

    Conversion kit for lock 2" in 3½", for type G**

    SK 2421-99

    01, 02, 13, 16

    Conversion kit for lock 3½" in 2", for type GZ**

    SK 2421-98 Z

    01, 02, 13, 16

    Conversion kit for lock 2" in 3½", for type GZ**

    SK 2421-99 Z

    28, 29, 30, 33, 34, 36, 38, 43, 44

    Repair kit for bearing for type G/GZ

    SK 2521-76

    46, 47

    Retrofit kit handle extension compl., for type G/GZ

    SK 3121-063

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