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PRONAR Muldenkipper Tandem 23 t, 35 m³, Kippwinkel 55°, 40 km/h

Description

Standard equipment

  • Tandem chassis with rigid axles, parabolic suspension, axle spacing 1.810 mm
  • Hydraulic tailgate with automatic locking and rubber seal
  • Universal drawbar for low and high hitching, with rigid towing eye Ø 40
  • Sprung drawbar
  • Telescopic support leg with gearbox
  • Two-line compressed-air braking system, drum brakes 406 × 140 mm
  • Handbrake
  • 12 V LED lighting system with side marker lights, rear lights with protective grille
  • Front wall with perforated viewing window and PLEXI pane
  • Grain outlet in the rear wall
  • Folding access ladder and steps
  • Plastic mudguards at the front and rear, metal mudguards on top
  • Full-width rear splash guard
  • Rear underrun protection, type-approved and foldable
  • Wheel chocks with holder
  • Paint finish: red chassis RAL 3000, green side walls RAL 6010

Technical data

ManufacturerPRONAR
Product typeTandem half-pipe tipper, rear tipper
Permissible gross weight23.000 kg
Technically permissible gross weight (on-site use)24.000 kg
Unladen weight6.910 kg (with extensions)
Payload16.090 kg
Load volume23 m³ without extensions / 35 m³ with 800 mm extensions
Internal body dimensions L × W6.694 × 2.242 – 2.302 mm
Overall dimensions L × W × H8.780 × 2.650 × 3.750 mm
Side wall height1.500 mm
Sheet thickness, floor / side walls4 / 4 mm
Platform height1.450 mm
Track width2.100 mm
SuspensionParabolic suspension
Nose weight3.000 kg
Tyres550/60-22,5
Permissible speed40 km/h
Tipping systemrear tipping, tipping angle 55°
Telescopic ramStroke length 2.990 mm, oil requirement 40 l, operating pressure 200 bar
Required tractor power136,7 PS / 100,5 kW

Note: All listed parameters apply to individual approval in Germany.

Product description

Tandem half-pipe tipper with 16-tonne payload

The sprung two-axle trailer carries 16.090 kg and holds 23 m³, or 35 m³ with the optional 800-mm extensions. The body tips backwards to 55°, and the tailgate opens hydraulically and locks automatically.

1.500 mm side wall height – the tallest tandem body in the range

This is the key design feature of this tipper. For comparison, the T669/1 has a basic height of 1.200 mm, while the T679 is just 1.000 mm.

Benefits of the higher sides:

  • 23 m³ even without extensions. This is enough for heavy goods such as beet, potatoes and soil, without needing to fit extensions.
  • Less conversion work. Operators mainly transporting heavy materials save themselves the work of fitting and removing the extensions.
  • A more rigid body. A continuous 1.5 m wall made from 4-mm sheet is stiffer than a low wall with an extension frame fitted on top.

55° tipping angle

Five degrees more than most agricultural tippers. With wet material, beet soil and cohesive soils, this determines whether the body empties completely.

The telescopic ram has a stroke length of 2.990 mm and requires 40 litres of oil at 200 bar.

23 or 35 m³

ConfigurationVolumeTypical materials
without extensions (standard)23 m³Beet, potatoes, soil, gravel
with 800 mm extensions35 m³Grain, maize, silage, wood chips

The figures behind this: 16 tonnes of grain fills around 21 m³, silage over 26 m³, and wood chips considerably more. Only with extensions can the payload be fully used for lightweight materials. The extensions have a perforated viewing window with a PLEXI pane.

Hydraulic tailgate with rubber seal

The tailgate is raised hydraulically and locks automatically – the driver can remain seated.

The rubber seal retains fine materials. With grain, compost and wet material, it makes the difference between a leak-free load and a trail on the road.

Steering options

The trailer comes as standard with rigid axles. Two options are available:

  • Rear self-steering axle with hydraulic lock – it passively follows the direction of travel, reduces the turning circle and protects the grass sward. It is locked when reversing.
  • Forced steering – it is actively controlled and operates more precisely, but is more complex.

For farms with extensive grassland either option is worthwhile: rigid axles scrub in turns and tear up the sward.

Universal sprung drawbar

The drawbar is designed for low and high hitching and is sprung – protecting the coupling, chassis and driver, especially at 40 km/h. A K80 ball coupling is available as optional equipment.

Grain outlet and viewing window

  • The grain outlet in the rear wall allows grain to be discharged in a controlled manner without having to open the entire tailgate.
  • The perforated viewing window in the front wall shows the fill level while travelling – at a wall height of 1.5 m, it is the only practical way to check.

Approval

Approval routePermissible gross weightPayload
Individual approval DE23.000 kg16.090 kg
On-site use (technical)24.000 kgapprox. 17.090 kg
EU type approval, 40 km/h18.000 kgapprox. 11.090 kg

The difference is significant: There is a 5.000 kg difference in payload between individual approval and EU type approval. This should be clarified before ordering.

Optional equipment

  • AT or EU type approval, including documents
  • K80 ball coupling
  • Hydraulic support leg, single-acting or foldable (no extra charge)
  • Rear self-steering axle with hydraulic lock
  • Forced steering
  • 800 mm extensions with perforated viewing window for 35 m³
  • Two-line compressed-air braking system with ALB or ALB Premium
  • Roll-over cover with folding frame and platform for the 800-mm extensions
  • Discharge chute
  • Drop sheets, 3 sets (only with extensions)
  • Rear connections for electrical, hydraulic and pneumatic systems
  • Trailer couplings from various manufacturers, manual or automatic
  • Toolbox
  • Side underrun protection
  • Spare wheel
  • Slow-moving vehicle warning triangle

Applications

Large arable farms, agricultural contractors, sugar beet and potato harvesting, biogas plants, wood-chip and compost logistics, construction and earthmoving, local authorities.

Operating notes

  • Clarify the approval route before ordering – there is a 5.000 kg difference between individual approval and EU type approval.
  • Check the towing vehicle's nose weight capacity: up to 3.000 kg.
  • When tipping, ensure the ground is level and firm – the centre of gravity is high with a stroke length of 2.990 mm.
  • Do not raise the body under overhead power lines; the trailer is 3.750 mm high with extensions fitted.
  • Before tipping, check that the tailgate can open freely.
  • After unloading, check that the body is empty.
  • The technically permissible 24.000 kg applies only to on-site use.
  • Drop sheets and the roll-over cover can only be used with the 800-mm extensions.
  • Check the rubber seal on the tailgate regularly.
  • Retighten the wheel nuts after the first few hours of operation and regularly thereafter.

Frequently asked questions

How much does the tipper hold?

23 m³ without extensions and 35 m³ with the optional 800-mm extensions.

How much can it carry?

16.090 kg at a permissible gross weight of 23.000 kg. A technically permissible 24.000 kg applies to on-site use, and 18.000 kg with EU type approval.

Why is the body 1.500 mm high?

This gives the tipper a capacity of 23 m³ even without extensions – enough for beet, potatoes and soil. A continuous wall is also stiffer than a low wall with an extension frame fitted on top.

What is the benefit of a 55° tipping angle?

Five degrees more than most agricultural tippers. With wet material, beet soil and cohesive soils, this determines whether the body empties completely.

Which steering option should I choose?

The self-steering axle passively follows the direction of travel and is simpler and cheaper, while forced steering operates more precisely. Both protect the grass sward – rigid axles scrub in turns.

What tractor do I need?

136,7 PS or 100,5 kW, and a coupling rated for a 3.000 kg nose weight. Tipping requires 40 litres of oil at 200 bar.

What is the rubber seal on the tailgate for?

It retains fine materials. With grain, compost and wet material, it makes the difference between a leak-free load and a trail on the road.

How can I see the fill level?

Through the perforated viewing window with a PLEXI pane in the front wall – at a wall height of 1.5 m, it is the only practical way to check while travelling.