This range of power harrows offers working widths from 1.20 to 2.10 m for horsepower up to 80 hp.
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HRB 122-152-182 power harrows have a high-tensile steel trough and a lifetime lubrication of the sprockets and bearings with semi-fluid grease. Sealing is ensured with o-rings for improved durability. The large dimensions of the gears increase the contact area allowing for greater torque transmission. Bearings are maintenance-free, with large tapered rollers. They are perfectly aligned with the one-piece distortion resistant housing and no additional adjustment is required. The bearing are held in place perfectly by the 18mm thick cast-iron bearing housing. No play is possible at tine holder, the splines on the rotor chaft are cold rolled into it, increasing the density of the metal. The connection with the shaft is perfect thanks to the conical centering of the tine holder. The tines have a high resistance to impact and wear thanks to the large surface area and volume of material.
The housing, bearings and tine holders form a compact and very sturdy assembly. The small distance between the casing and the top of the tine holder prevents stones from jamming in this area. This small gap also directs the flow of soil towards the tines to be broken down into finer tilth.
The central gearbox is robust and made of ductile cast iron with a straight and mechanical output to ensure a faultless rotor drive.
The maintenance-free CRUMBLER roller with large diameter allows appropriate soil consolidation while efficiently controlling the working depth. The HRB 202 power harrow can also be fitted with a PACKER 2 roller with 515mm diameter.
The low height, rounded profile and small widths make the HRB 102 SERIES power harrows ideal for specialized crop production. They are specifically adapted for operations in vineyards and orchards or market gardening. No compromises were made in relation to larger models with larger widths, with the drivelines designed for each model.
The small dimensions of these machines ensures the easy and safe transport on roads and paths. You can easily travel on a narrow road in any situation.
| HRB 122 | HRB 152 | HRB 182 | HRB 202 | |
|---|---|---|---|---|
| Working width approx. (m) | 1.2 | 1.5 | 1.8 | 2.1 |
| Overall width (m) | 1.3 | 1.6 | 1.89 | 2.19 |
| Maximum tractor power (kW/hp) at 540 min-1 | 59/80 | 59/80 | 59/80 | 59/80 |
| Minimum power requirement (kW/hp) at 540 min-1 | 18/25 | 22/30 | 26/35 | 30/40 |
| Gearbox | Single speed for PTO at 540 min | Single speed for PTO at 540 min | Single speed for PTO at 540 min | Single speed for PTO at 540 min |
| Rear PTO (same rotation as tractor) | As standard on all models | As standard on all models | As standard on all models | As standard on all models |
| PTO speed (min-1) | 540 | 540 | 540 | 540 |
| Rotor speed 540 min-1 | 253 | 253 | 253 | 253 |
| Rotor speed 1000 min-1 | 468 (in favorable conditions) | 468 (in favorable conditions) | 468 (in favorable conditions) | 468 (in favorable conditions) |
| Type of blades | Bolted | Bolted | Bolted | Bolted |
| Hitch | Cat. 1, 1N and 2 with sliding yokes with continuous adjustment | Cat. 1, 1N and 2 with sliding yokes with continuous adjustment | Cat. 1, 1N and 2 with sliding yokes with continuous adjustment | Cat. 1, 1N and 2 with sliding yokes with continuous adjustment |
| Approx. weight. (kg) with Crumbler roller with removable tubes Ø 390 mm | 440 | 500 | 550 | 730 |
| Approx. weight (kg) with Packer PK2 roller Ø 515 mm | 900 |
