Fifth wheel couplings

Fifth wheel couplings (standard)

A fifth wheel coupling provides the link between a semi-trailer and a towing truck. Applications for fifth wheel couplings by JOST Australia include general, tipper, fridge, road train, highway, freight and tanker uses. Our fifth wheel couplings are an extremely reliable unit when maintained and serviced properly. Below is a list of fifth wheel couplings supplied by JOST Australia. 

Fifth Wheel JSK 37 C-Z

Description:
Cast top fifthwheel with replacement wear ring and external lubrication.

Applications:

  • Tanker
  • General
  • Fridge
  • B-Double and road train

CRN/ Rating:
41876 D-Value 190 kN

Features:

  • This fifthwheel can be supplied with bolt-on weldable pedestals.
  • The fifthwheel is low maintenance with the wear ring and jaw being replaced in only a few minutes.
  • It is fitted with oil and grease resistant shock absorbing rubber pads.

Fifth Wheel JSK 37 E

Description:
Pivot bearing, low maintenance with wear ring and external jaw lubrication.

Applications:

  • Tipper
  • Highway

CRN/ Rating:
36821 D-Value 190 kN

Features:

  • Lock jaw and wear ring can be replaced without difficulty in a few minutes with the fifth wheel still in position.
  • Available with extended operating handle (240mm) on demand.
  • Mounting must be carried out in accordance with our instructions.
  • Mounting hole pattern in accordance with DIN standard 74081 and ISO standard 3842. Suitable for all types of rear axle steering systems.

Fifth Wheel JSK 37 CX

Description:
Rubber mounting, with wear ring and external jaw lubrication.

Applications:

  • Stock crate
  • Fridge van
  • Tanker
  • B-double
  • Road train

CRN/ Rating:
45374 D-Value 240 kN

Features:

  • Sturdier fifth wheel coupling plate, with central relief to avoid load concentration on the coupling system.
  • A heavy-duty fifth wheel coupling for operation in arduous condition.
  • Pedestals fixed by 6 bolts. Hole areas have been reinforced.
  • Lock jaw and wear ring can be replaced without difficulty in a few minutes with the fifth wheel still in position.
  • Mounting must be carried out in accordance with our mounting instruction.

Fifth Wheel JSK 37 EW

Description:
Pivot bearing, low maintenance.

Applications:

  • General freight
  • Tipper

Specifications:

  • Maintenance free top plate.
  • Maintenance free rubber cushioned pivot bearings.
  • Maintenance free wearing ring.
  • Only one remaining grease point, the lock jaw (little grease required).

CRN/ Rating:
36821 D-Value 190 kN

      Features:

      • Lock jaw and wear ring can be replaced without difficulty in a few minutes with the fifth wheel still in position.
      • Available with extended operating handle (240mm) on demand.
      • Mounting must be carried out in accordance with our instructions.
      • Mounting hole pattern in accordance with DIN standard 74081 and ISO standard 3842. Suitable for all types of rear axle steering systems.

      Fifth Wheel JSK 37 CZW

      Description:
      Rubber mounting, low maintenance.

      Applications:

      • Tanker
      • General freight
      • Stock crate
      • Fridge van
      • B-double
      • Road train

      Specifications:

      • Maintenance free top plate.
      • Maintenance free rubber cushioned pivot bearings.
      • Maintenance free wearing ring.
      • Only one remaining grease point, the lock jaw (little grease required).

      CRN/ Rating:
      41876 D-Value 190 kN

      Features:

      • Lock jaw and wear ring can be replaced without difficulty in a few minutes with the fifth wheel still in position.
      • Available with extended operating handle (240mm) on demand.
      • Mounting must be carried out in accordance with our instructions.
      • Mounting hole pattern in accordance with DIN standard 74081 and ISO standard 3842. Suitable for all types of rear axle steering systems.

      Lightweight Fifth Wheel JSK 42

      Description:
      Lightweight fifthwheel.

      Applications:

      • B-Double
      • General freight

      Specifications:

      • Maintenance free top plate.
      • Maintenance free rubber cushioned pivot bearings.
      • Maintenance free wearing ring.
      • Only one remaining grease point, the lock jaw (little grease required).

      CRN/ Rating:
      36130 D-Value 200 kN

      Features:

      • The JSK 42 Fifthwheel is a lightweight, one handed operation fifthwheel. It comes in various models and heights.
      • It is a low maintenance fifthwheel with little greasing required. It is available in as a greased or greaseless top plate with the option of the new patented JOST 3 point sensor system which ensures secure and safe locking of the fifthwheel.
      • These features significantly reduce the risk of accident or incorrect hitching. The JSK 42 (greaseless models) is now fitted with an automatic lubricant system known as a LubeTronic. This system eliminates the need to grease the jaw of the fifthwheel for up to 3 years or 300,000 whichever occurs first.

      Pneumatic Fifth Wheel JSK 37 027

      Description:
      Pneumatic fifthwheel designed for rollback applications

      Applications:

      • Tipper
      • Rollbak
      • B-double

      Specifications:

      • Maintenance free top plate.
      • Maintenance free rubber cushioned pivot bearings.
      • Maintenance free wearing ring.
      • Only one remaining grease point, the lock jaw (little grease required).

      CRN/ Rating:
      38553 D-Value 200 kN

      Features:

      • Lock jaw and wear ring can be replaced without difficulty in a few minutes with the fifth wheel still in position.
      • Mounting must be carried out in accordance with our instructions.
      • Pneumatic operation.

      Low Profile Fifth Wheel LP 37 CZ (Cast Top)

      Description:
      Low profile with cast top.

      Applications:

      • Tanker
      • General freight
      • Stock crate
      • Fridge van

      Specifications:

      • 20,000 kg imposed load
      • Gross Combination Weight 135,000 kg
      • Weight 367 kg (with 12mm base plate)

      CRN/ Rating:
      24836 D-Value 190 kN

      Features:

      • Twin lockouts.
      • Flush bolt heads on mounting plate in chassis mounting zone. Cast type unit equipped with external king pin grease point for additional lubrication to the jaw.
      • Wear ring easily removed from above on JSK 37 CZ fifth wheel.
      • Mounting must be carried out in accordance with our instructions.

      Low Profile Fifth Wheel LP 37 E (Cast Top)

      Description:
      Low profile with cast top.

      Applications:

      • Tipper
      • General freight

      Specifications:

      • 20,000 kg imposed load
      • Gross Combination Weight 115,000 kg
      • Weight 356 kg (with 12mm base plate) 

      CRN/ Rating:
      24833 D-Value 190 kN

      Features:

      • Twin lockouts.
      • Flush bolt heads on mounting plate in chassis mounting zone.
      • Wear ring easily removed from above on JSK 37 E fifth wheel.
      • Mounting must be carried out in accordance with our instructions.

      Low Profile Fifth Wheel LP 37 CX (Cast Top)

      Description:
      Low Profile Stabilised Fifth Wheel Assembly 2"

      Applications:

      • Livestock crates
      • Tankers
      • Fridge van
      • General freight

      CRN/ Rating:
      46788 - D-value 240kN

      Features:

      • Available in grease and grealess versions.
      • Reinforced top plate with extra webbing gussets on its underside and a slightly thicker profile.
      • A new 4 bolt wearing.

      Fifth Wheel DR 37 C-Z (Cast Top)

      Description:
      Double row, stabilised.

      Applications:

      • Tanker
      • General freight

      Specifications:

      • 20,000 kg imposed load
      • Gross Combination Weight 135,000 kg
      • Weight 405 kg (with 12mm base plate)

      CRN/ Rating:
      24842 D-Value 190 kN

      Features:

      • Twin lockouts.
      • Flush bolt heads on mounting plate in chassis mounting zone. Cast type unit equipped with external king pin grease point for additional lubrication to the jaw.
      • Wearing ring easily removed from above on JSK 37 C-Z fifth wheel.
      • Mounting must be carried out in accordance with our instructions.

      Fifth Wheel DR 37 E (Cast Top)

      Description:
      Stabilised.

      Applications:

      • Tipper
      • Highway

      Specifications:

      • 20,000 kg imposed load
      • Gross Combination Weight 135,000 kg
      • Weight 394 kg (with 12mm base plate)

      CRN/ Rating:
      24840 D-Value 162.4 kN

      Features:

      • Twin lockouts.
      • Flush bolt heads on mounting plate in chassis mounting zone.
      • Wearing ring easily removed from above on JSK 37 E fifth wheel.
      • Mounting must be carried out in accordance with our instructions.

      Fifth Wheel DR 37 CX (Cast Top)

      Description:
      Double Row Stabilised Fifth Wheel Assembly

      Applications:

      • General freight
      • Tankers
      • Fridge van
      • Stock crate

      CRN/ Rating:
      45372 D-Value: 240kN

      Features:

      • Twin lockouts.
      • Flush bolt heads on mounting plate in chassis mounting zone.
      • Cast type unit equipped with external king pin grease point for additional lubrication to the jaw.
      • Wearing ring easily removed from above on JSK37CX fifth wheel.

      Fifth Wheel JSK 36 DV1

      Description:
      Pressed steel fifthwheel

      Applications:
      General and tipper

      CRN/ Rating:
      26277 D-Value 170 kN

      Features:

      • This unit is built as a lightweight option; weighing only around 115 kg (with 150 mm pedestals).
      • Being of a pressed steel construction it is substantially light than a standard cast steel fifthwheel.
      • It's construction and design ensure that the JSK 36 DV1 is a very strong reliable fifthwheel that complies with all current standards.

      JSK 37 Sensor Coupling

      Description:
      Models/Types:
      JSK 37 Sensor Coupling

      Specifications:

      • A sensor permanently monitors the connection status
      • A second sensor controls the position of the king pin
      • An additional third sensor monitors the contact locking position and displays it in the driver’s cab.
      • The sensors are located in protected zones on non-moving parts

      CRN/ Rating:
      D-Value 190 kN

      Features:

      • Safety solution with remote dash display.
      • Road-Train rated – 190kN.
      • JSK37C 3 point sensor with dash display.
      • Connections sensor, king pin sensor and coupling height sensor.
      • Integrated dash display available (truck specific).
      • Extended handle for easy operation.
      • Optional lubetronic technology.
      • Greaseable and greaseless options available.
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