Product Overview
Lehner POLARO® 70 Electric Dosing Towbar Mounted Spreader
The Lehner POLARO® 70 is a highly adaptable 70-litre towbar-mounted spreader, ideal for winter and multi-season use. Designed to spread salt, grit, sand, or fertiliser, the unit features Electric dosage control and stepless adjustment of spreading width directly from the driver’s seat. With a stainless steel frame and waterproof electrical components, it’s built for long-term performance across diverse vehicle types powered by 12 volts, e.g. B. Cars, pick-ups, trucks, wheel loaders, mini tractors or quads etc.
70 L
0.8 – 6 m
29 kg
490 x 585 x 870 mm
Technical Specifications
| Machine Specification | Details |
|---|---|
| Hopper Capacity | 70 L (approx. 90 kg of salt) |
| Spreading Width | 0.8 – 6.0 m (up to 12 m optional) |
| Spreading Area | approx. 4,500 m² |
| Hopper Dimensions (L/W/H) | 490 x 585 x 870 mm |
| Weight | 29 kg |
| Motor Power – Spreading Disc | 60 W |
| Motor Power – Agitator | 150 W |
| Power Supply | 12 V (24 V possible via transformer) |
| Fuse | 25 A |
| Speed Range – Spreading Disc | 40 – 600 rpm |
| Speed Range – Agitator | 54 rpm |
| Power Consumption | 24 A max (starting), 13 A normal operation |
| Control | LAS 4 control panel (cab-mounted) |
| Build Material | Stainless steel frame, valve and disc |
- Stepless adjustment of spreading width, Dosing valve, Voltage check, Hopper indicator from the control panel.
- Mounts to vehicles with a standard 12 V supply – ideal for quad bikes, tractors, pickups, and more.
- Durable stainless steel construction and sealed electrics for reliable all-weather use.
- Autostart function to prevent clumping in damp materials.
- Pre-drilled mounting frame enables fast, flexible installation.
- Optional saline agitator available for use with fine or damp salt (110L/170L models).
Applications
- Perfect for winter gritting of footpaths, car parks, and access roads.
- Can also be used for spreading fertiliser or sand in summer operations.
Features
LAS 4 control panel as standard
With the switching functions of the standard LAS 4 control unit, the spreader disc speed can be continuously adjusted to determine the working width, as well as the switching functions machine on / off and slider open / closed.
VA agitator made of stainless steel
The patented LEHNER agitator system guarantees that the pourable grit continues to run.
Electronic Dosing
The application rate of the POLARO ® E is also set on the control unit. Speed-dependent dosing via the AUTO-DOSIS control offers even more convenience.
Optional Accessories AUTO-DOSIS
AUTO-DOSIS automatically adjusts the valve position in line with the driving speed.
After you have selected the material, entered the desired spreading width and quantity per m², the AUTO-DOSIS automatically reacts to driving conditions and controls the dosing valve accordingly. The desired discharge quantity per m² remains constant.
1. AUTO-DOSIS via 7-pin signal socket
Here, the travel speed is recorded via the 7-pin signal socket on the vehicle. In this version, the signal socket also provides the headland management system.
2. AUTO-DOSIS via GPS receiver
The speed is determined by GPS and forwarded to the control panel.
Tractor bracket - Select which applicable
Optional Accessories
Product Applications
Efficient Spreading of Sand, Salt, and Grit
Maintaining safe and accessible surfaces during icy or hazardous conditions is crucial. Spreader is the ideal tool for efficiently spreading sand, salt, or grit over large areas, ensuring pathways, parking lots, and roadways remain safe for both pedestrians and vehicles. Spreader significantly reduce the time and effort compared to manual spreading, allowing you to cover more ground with consistent results.
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Instruction and Parts Manuals
