Fifth wheel couplings (Heavy Duty)

heavy duty fifth wheel coupling

Fifth wheel couplings are fitted to a tractor unit to connect it to the trailer. Fifth wheel couplings are vehicle attaching parts that are subject to mandatory design approval and on which the highest safety requirements are placed. We can supply a suitable fifth wheel coupling for all applications, thus always guaranteeing a sage and secure link between the tractor and the trailer. Below is a list of fifth wheel couplings supplied by JOST New Zealand.

Heavy Duty Fifth Wheel JSK 38 DV90

heavy duty fifth wheel coupling

JSK 38 DV90 Fifth wheel coupling (Heavy Duty)

JOST New Zealand

Description:

A heavy duty fifth wheel coupling for operation under arduous conditions.

Specifications:

  • Rubber bearing
  • 28,000 kg imposed load
  • Weight 204 kg

CRN/ Rating:

  • 36688 D-Value 260 kN

Features:

  • With rubber bearing (model "C"): rubber cushions are shock absorbent and maintenance-free.
  • The fifth wheel coupling complies with the directives/standards as per 94/20/EC - Class S, DIN 74084 and ISO 3842. Suitable for 3,5" (90) king pins as per 94/20/EC, DIN 74083 and ISO 4086. Fitted on a mounting plate.

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Heavy Duty Fifth Wheel JSK 38 C Types

heavy duty fifth wheel, JOST locking device

JSK 38 C Types

JOST New Zealand

Description:

Models/Types:
JSK 38 C-1
JSK 38 C-2"

Specifications:

  • 36,000 kg imposed load
  • Weight 190 kg
  • JSK 38 C-1 fits 3.5" King Pins
  • JSK 38 C-2" fits 2" King Pins
  • Height option 1: 160mm (Bolt on/weldable feet)
  • Height option 2: 190mm (Bolt on/weldable feet)

CRN/ Rating:

  • 24329 D-Value 260 kN (JSK 38 C-1)
  • 16913 D-Value 216 kN (JSK 38 C-2")

Features:

  • The well known JOST locking device together with the maintenance free rubber cushions ensures a high degree of stability and safety on the road.
  • This fifth wheel is available for use with 31/2" and 2" king pins.
  • The conversion of a 31/2" or 2" locking mechanism or vice versa can easily be carried out with standard tools, without removing the fifth wheel coupling from the truck.

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Heavy Duty Fifth Wheel JSK 38 G Types

heavy duty fifth wheel coupling

JSK 38 G Types

JOST New Zealand

Description:

Models/Types:
JSK 38 G-1
JSK 38 G-2"

Specifications:

  • 36,000 kg imposed load
  • Weight 265 kg
  • JSK 38 G-1 fits 3.5" King Pins
  • JSK 38 G-2" fits 2" King Pins

CRN/ Rating:

  • 24327 D-Value 250 kN (JSK 38 G-1)
  • 16917 D-value 216 kN (JSK 38 G-2")

Features:

  • The well known JOST locking device together with the maintenance free cardan mounting ensures a high degree of stability and safety on the road and off road.
  • The lateral movement of 7° can be reduced to 0° for normal road operation.
  • This fifth wheel is available for use with 31/2" & 2" king pins.
  • The conversion of 2" & 31/2" locking mechanism or vice versa can easily be carried out with standard tools, without removing the fifth wheel coupling from the tractive unit. Suitable for all types of rear axle steering systems.

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Heavy Duty Fifth Wheel JSK 50

JOST heavy duty fifth wheel

JSK 50

JOST New Zealand

Description:

A heavy duty fifth wheel for arduous conditions.

Specifications:

  • 50,000 kg imposed load
  • Weight 290 kg
  • Fits 3.5" King pins
  • Pivot bearing

CRN/ Rating:

  • 24502 D-Value 300 kN

Features:

  • Bolt on type pedestals
  • Jost self-adjusting locking device for 3.5" King pins
  • Suitable for all types of rear axle steering systems

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