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KKS (Automatic coupling system)

The JOST KKS enables the driver to couple and decouple the semi-trailer via remote control without leaving the driver’s cab. The JSK 42 fifth wheel coupling, the Modul E-Drive landing gear, SKS, sensors and LubeTronic components form a complete system which saves time when coupling, as well as increases safety, efficiency and ergonomics. 

The driver is guided through the coupling process, with sensors
providing live information on the coupling status through the KKS remote control. Furthermore, the driver can operate the landing gear and fifth wheel coupling locking mechanism from the cab, significantly reducing the coupling duration and number of times needed to get in and out of the cab. It is of course possible to introduce the KKS step-by-step into to the fleets, as the operation in mixed fleets is possible.

The KKS is particularly suited for transport companies which often perform coupling processes and drive short distances, such as those in on-site operations, as the time advantages here are particularly beneficial from a financial standpoint.

 

back to KKS landing page

PDF-Downloads

Mounting and Operating Instructions
KKS Installation and operating instructions 11/2020
Flyer
KKS revolutionising coupling 03/2021
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Benefits at a glance

Ergonomics and health

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  • No need to climb onto the catwalk
  • No more cranking of landing gears, automatic operation
  • No more manual mounting of the fifth wheel coupling
  • No need to get off and into the cab so often

Time saving of up to 50 %

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  • No more need for cranking, connecting and disconnecting supply lines or opening the fifth wheel, thus freeing up time for other important tasks

Safety

  • KKS and sensors prevent trailer loss
  • Wrong coupling is no longer possible: when the trailer is supplied with electricity, the king pin is in the fifth wheel coupling
  • The driver cannot become trapped between truck and trailer
  • No more workplace accidents caused by careless climbing
  • Standard pneumatic cylinder always allows effortless opening of the fifth wheel coupling, even when the tractor-trailer is twisted
  • Three sensors are built in as standard, for sensing the king pin, trailer plate and fifth wheel lock
  • The landing gear is always moved all the way up, thereby preventing damage
  • The coupling process is guided and observed by remote control, operating errors are prevented
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Further advantages

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  • Simple coupling and decoupling, even when it is raining, snowing or during darkness
  • Relieves time pressure on the driver, resulting in less stress and fewer errors
  • Reduced space requirement, as cranking the landing legs is no longer necessary
  • Increased convenience for the driver
  • Of course, operation in mixed fleets is also possible; therefore, the JOST KKS can be introduced step-by-step
  • Standardised plug certified to ISO 13044-2 makes the system future-proof
  • Supply connections for truck and trailer remain intact
  • Costs can be reduced, as the catwalk, supply lines and side flaps are no longer needed
  • Can be reliably deployed for transporting dangerous goods thanks to ADR certificate
  • Approved as per ECE R55-01 and ECE R13
  • Spiral cables can no longer be broken off due to carelessness

JOST KKS is a revolutionary product which will permanently change the logistics sector, thanks to the time, comfort and safety gains enabled through a single product.

The complete automation of manual, time-consuming and strenuous processes enhances safety, efficiency and ensures greater satisfaction amongst drivers in today’s fleets. A huge advancement, particularly in times of demographic changes and a lack of drivers!

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No climbing, no cranking, no plugging

The automatic coupling system (KKS) automates the entire coupling procedure.

  • Sattelkupplung mit Fernbedienung und Fernanzeige – keine Unsicherheiten beim Satteln durch standardisierten Auf- und Absattelvorgang
  • Fifth wheel coupling with remote control and remote display – no uncertainty when coupling thanks to a standardised coupling and decoupling process.
  • Landing gear in line with cutting edge ergonomic standards – no manual cranking required, the landing gear extends and retracts completely
  • The KKS assumes all strenuous and dangerous tasks
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1. KKS Connector

The KKS Connector establishes all the necessary electrical and pneumatic connections between the truck and the trailer. This eliminates not only the danger caused by climbing onto and off the catwalk, but also the need to manually connect the supply lines. When decoupling a trailer, the connector always aligns to the straight-ahead position, ensuring the next coupling process goes smoothly.

2. KKS Remote Control

The KKS Remote Control provides the driver with live status information on the locking position of the fifth wheel coupling, the position of the trailer plate and the king pin. The driver is able to extend and retract the landing gear or open the KKS 42 from the driver’s cab. The entire process is standardised, eliminating any possibility of a mistake.

3. KKS 42

The KKS is based on the proven and reliable JSK 42 with short handle. Depending on the design, it is supplemented by the LubeTronic 5 LubeTronic 1Point. The KKS 42 also includes the innovative JOST SKS (sensor coupling system) featuring 3 sensors, thereby eliminating the need to pull on the handle and ensuring maximum safety when coupling.

4. KKS Modul E-Drive

The innovative Modul E-Drive landing gear extends and retracts fully at the push of a button on the KKS remote control, thereby eliminating the need for strenuous and time-consuming cranking. It also prevents the feet from being caught and damaged on any bumps. JOST’s S foot is installed as standard. And the Modul E-Drive further demonstrates its strengths when decoupling a trailer in tight spaces as the driver no longer has to manually crank the landing gear in restricted spaces.

The Modul E-Drive is part of the highly reliable and robust JOST Modul series and is available in different installation heights and plate positions.

Truck KKS Fifth Wheel Coupling

Scope of delivery:
The KKS Fifth Wheel Coupling is structurally identical to the JSK 42. The models below serve as examples; more can be provided on request. Equipped as standard with sensors, SKS and LubeTronic 5Point in the standard version, or with LubeTronic 1Point in the low-maintenance version. All with short handle.

Selection table / Versions available

Order No.

H (mm)

Weight (kg)

Approval (ECE)

WA

KKS 42 K0 20 79 AA

150

135

E1 55R-01 1245

LTP5

KKS 42 K0 20 U1 AA

150

134

E1 55R-01 1245

W+LTP1

KKS 42 K0 38 79 AA

185

133

E1 55R-01 1245

LTP5

KKS 42 K0 38 U1 AA

185

132

E1 55R-01 1245

W+LTP1

KKS 42 K0 57 79 AA

225

138

E1 55R-01 1245

LTP5

KKS 42 K0 57 U1 AA

225

137

E1 55R-01 1245

W+LTP1

KKS 42 K0 70 79 AA

250

142

E1 55R-01 1245

LTP5

KKS 42 K0 70 U1 AA

250

141

E1 55R-01 1245

W+LTP1

Trailer KKS Connector

  • Available KKS Connector models (includes cable drum, steering wedge, retention plate and cathodic dip-coated king pin, KKS plug for installing in the trailer)
  • Dimensions A and B, in line with king pin KZ10

Selection table / Versions available

Order No.

A (mm)

B (mm)

Approval (ECE)

KKS C 1008 000 109

8

37

E1 55R-01 0145

KKS C 1010 000 109

10

34

E1 55R-01 0145

KKS C 1012 000 109

12

33

E1 55R-01 0145

Trailer KKS Modul E-Drive

  • Available in six installation heights with an especially large lift
  • Back plate can be ordered in three different plate positions (top, bottom and double back plate)

Selection table / Versions available

Order No.

M (mm)

H (mm)

A (mm)

Back plate

B0103-010000KKS

900

560

630

Double plate

B0203-010000KKS

850

520

580

Double plate

B0303-010000KKS

800

470

530

Double plate

B0403-010000KKS

750

430

480

Double plate

B0503-010000KKS

700

400

430

Double plate

B0603-010000KKS

650

350

380

Double plate

Can only be ordered with S foot
Note: Other models available on request. Cranks and connection
shafts need to be ordered separately and are shipped unassembled. More information and designs on page 132 of the catalogue.

 

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Spare parts and kit

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Item

Description

Remark

Order No.

1

Socket cover kit (ready to install)

 

KKSE 100473400

2

Aluminium valve kit

 

KKSE 119091300

3

Lower cover panel for wedge kit

 

KKSE 115641500

4

Steel cable tensioner kit

 

KKSE 119052600

5

Cable storage kit

 

KKSE 115642300

6

Socket guard kit

 

KKSE 115631200

7

Pivoted lever spring kit

 

KKSE 115637400

8

Wedge return spring kit

 

KKSE 115642100

9

Connector cable with relay

cpl. with 18 + 19

KKSE 100457600

10

Socket cover tension spring

 

KKSE 119260700

11

Wedge transport kit

cpl. with 03 + 07 + 08 + 02

KKSE 115634800

12

KKS socket unit

cpl. with 14 + 10 + 01 + 06

KKSE 115628200

13

15 pin cable set

 

KKSE 119293700

14

7 pin cable set

 

KKSE 119293900

15

4 pin energy supply cable

 

KKSE 119293800

16

Centering ring

 

KKSE 115634700

17

E-Drive to KKS adapter cable

if E-Drive already available

KKSE 119057200

18

Connector cable with relay

 

KKSE 100458200

19

Display

 

KKSE 100457300

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