PRONAR Tridem-Heckkipper 30 t, 22–35 m³, eigene Hydraulik, 40 km/h
€52,105.00
Standard equipment
- Tridem chassis with parabolic suspension, 1st and 3rd self-steering axles with hydraulic locking for reversing, axle spacing 1.525 mm
- Tipping system with its own pump and oil tank
- PTO shaft for connecting the pump
- Two telescopic cylinders with safety cables
- Hydraulic tailgate with automatic locking
- 580 mm extensions made from 2 mm sheet steel, without viewing windows
- Front wall with two viewing windows with PLEXI panes
- Universal drawbar for low and high hitching, with rigid Ø 40 drawbar eye, sprung
- Telescopic support leg with gearbox
- Dual-line compressed-air brakes, drum brakes 406 × 140 mm
- Handbrake
- 12 V lighting system with side marker lights, rear lights with protective grilles
- Grain outlet in the rear wall
- Folding access ladder and steps
- Plastic mudguards in front of the 1st and behind the 3rd axle
- Rear underrun protection, type-approved and foldable
- Wheel chocks with holder
- Paint finish: chassis red RAL 3000, side walls green RAL 6010
Technical data
| Manufacturer | PRONAR |
|---|---|
| Product type | Tridem half-pipe tipper, rear tipper |
| Permissible gross weight | 30.000 kg |
| Technically permissible gross weight (for on-site use) | 33.000 kg |
| Unladen weight | approx. 9.000 kg (without extensions) |
| Payload | approx. 21.000 kg |
| Load volume | 22 m³ without extensions / 32 m³ with 580 mm / 35 m³ with 700 mm |
| Internal body dimensions L × W | 8.000 × 2.200 – 2.250 mm |
| Overall dimensions L × W × H | 9.900 × 2.550 × 3.330 mm (without extensions) |
| Side wall height | 1.200 + 580 mm |
| Floor / side wall sheet thickness | 4 / 4 mm |
| Platform height | 1.440 mm |
| Track width | 2.100 mm |
| Suspension | Parabolic suspension |
| Nose weight | 3.000 kg |
| Tyres | 385/65 R 22,5 RE |
| Permissible speed | 40 km/h |
| Tipping system | rear tipping, tipping angle 50° |
| Hydraulic supply | own oil tank with pump |
| Telescopic cylinder | Stroke length 2.990 mm, oil requirement 72 l, operating pressure 200 bar |
| Required tractor power | 182 PS / 133,8 kW |
Note: All listed parameters apply to individual approval in Germany.
Product description
Tridem rear tipper with its own hydraulics
The three-axle trailer carries around 21 tonnes and has a capacity of 22 to 35 m³, depending on the body configuration. Two telescopic cylinders tip the body backwards to 50°, powered by its own hydraulic system with oil tank and PTO-driven pump.
Own hydraulic system – the key feature
This is why you should choose this tipper over comparable models.
The figures: The tipping system requires 72 litres of oil at 200 bar. A tractor's hydraulic system would have to supply this volume and then take it back again – many tractors simply do not have enough oil capacity or flow rate.
- The trailer comes with its own oil and pump. It is driven via the PTO shaft supplied.
- No spool valve required. The tractor does not need a spare valve for tipping.
- No oil exchange between vehicles. This prevents contamination and mixing of different oil types – a common problem when changing towing vehicles.
- The same tipping speed with any tractor, regardless of its pump output.
Two telescopic cylinders with safety cables
Two cylinders instead of one distribute the force and keep the body aligned as it is raised. The safety cables mechanically limit the tipping angle – a backup safeguard in case the hydraulic limit fails.
22 to 35 m³ – three body configurations
| Configuration | Volume | Typical loads |
|---|---|---|
| without extensions | 22 m³ | Soil, gravel, sugar beet – weight is the limiting factor here |
| 580 mm extensions (standard) | 32 m³ | Grain, maize, potatoes |
| 700 mm extensions | 35 m³ | Wood chips, silage, compost |
The figures behind it: 21 tonnes of grain fill around 28 m³, while silage fills over 30 m³. Only the higher extensions allow the payload to be fully utilised with lightweight materials.
Self-steering axles with hydraulic locking
The first and third axles follow the curve.
Why this is essential on a tridem: Three fixed axles with a short spacing scrub sideways when cornering. The tyres drag across the ground – this wears the rubber, tears up the turf and puts strain on the frame.
Locking is essential when reversing: Unlocked self-steering axles can cause the trailer to jack-knife when manoeuvring. Locked, it tracks straight.
The difference compared with forced steering: Self-steering axles passively follow the direction of travel, while forced steering is actively controlled. Self-steering axles are simpler, require less maintenance and cost less – a practical solution when driving forwards most of the time.
4 mm floor and 4 mm side walls
The floor and walls are made to the same thickness. This matters on a rear tipper: When tipping, the entire load slides backwards over the side walls, rubbing against them – unlike a three-way tipper, where the wall simply opens.
Two viewing windows in the front wall
Check inside the body without getting out. With a body height of 1.78 m and an 8 m body length, this is the only practical way to check the fill level while harvesting.
Universal sprung drawbar
The drawbar is designed for low and high hitching and is sprung. The suspension isolates the towing vehicle from the trailer – protecting the coupling, frame and driver, especially at 40 km/h.
A K80 ball coupling is available as optional equipment.
Grain outlet as standard
Grain can be discharged in a controlled manner without opening the entire tailgate – a practical advantage when filling dryers, silos and milling plants. A discharge chute is available as optional equipment.
Optional equipment
- AT or EU type approval, including documents
- K80 ball coupling
- Single-acting or foldable hydraulic support leg (no extra charge)
- Dual-line compressed-air brakes with ALB
- 700 mm extensions instead of 580 mm for 35 m³
- Drop-down tarpaulin, 3 sets of 2.3 m (only with extensions)
- Discharge chute
- Rear connections for electrics, hydraulics and pneumatics
- Trailer couplings from various manufacturers
- Plastic and metal mudguards for wider tyres
- Spare wheel
- Warning triangle for slow-moving trailers
Applications
Large arable farms, agricultural contractors, biogas plants and substrate logistics, sugar beet and potato harvesting, wood chip and compost logistics, construction and earthmoving, local authorities.
Operating notes
- The PTO is required for the tipping system – the PTO shaft is included in the scope of delivery.
- Check the towing vehicle's nose weight: up to 3.000 kg.
- Lock the self-steering axles when reversing.
- When tipping, ensure the ground is level and firm and position the trailer correctly – with a stroke length of 2.990 mm, the centre of gravity is high.
- Do not raise the body beneath overhead power lines.
- Check the tailgate lock before tipping.
- After unloading, check that the body is completely empty – material left behind can shift the centre of gravity.
- Check the oil level in the trailer's own hydraulic system regularly.
- Check the safety cables for damage.
- The technically permissible 33.000 kg applies only to on-site use.
- Observe the height and width limits when driving on the road.
Frequently asked questions
Why does the tipper have its own hydraulic system?
The tipping system requires 72 litres of oil at 200 bar – many tractors do not have enough oil capacity or flow rate. The trailer comes with its own oil and pump, driven via the supplied PTO shaft.
Does the tractor need a spool valve for tipping?
No. The trailer's own hydraulic system means no spare valve is needed – the PTO is required.
What is the tipper's capacity?
22 m³ without extensions, 32 m³ with the standard 580 mm extensions and 35 m³ with the optional 700 mm extensions.
How much can it carry?
Around 21.000 kg with a permissible gross weight of 30.000 kg. A technically permissible 33.000 kg applies for on-site use.
What is the difference between self-steering axles and forced steering?
Self-steering axles passively follow the direction of travel, while forced steering is actively controlled. Self-steering axles are simpler, require less maintenance and cost less – a practical solution when driving forwards most of the time. They can be hydraulically locked for reversing.
What are the safety cables for?
They mechanically limit the tipping angle – a backup safeguard in case the hydraulic limit fails.
What tractor do I need?
182 PS or 133,8 kW, a PTO for driving the pump and a coupling rated for a nose weight of 3.000 kg.
How can I check the fill level?
Through the two PLEXI viewing windows in the front wall – with an 8 m body length, this is the only practical way to check while driving.