Claas has updated its Liner rake range with seven new twin-rotor and three four-rotor models.

Five of the twin-rotor rakes come in Trend spec with simplified controls, while the remaining two get Active Float rotor suspension as part of the firm’s “Business” line.

Bottom of the pile is the Liner 2600 Trend, with its 2.9m-diameter rotors – each carrying 11 tine arms – able to work across a width of 6.2m to 6.8m. At the other end of the scale, the 10m 3100 Trend has 14 tine arms per 4.2m-diameter rotor.

See also: Buyers guide: Second-hand four-rotor rakes

Each arm is fitted with 9.5mm-thick dual tines featuring a kinked angle of 10deg and 10mm-long trailing end that helps lift the crop off the stubble, and the rotors have friction clutches to protect against any overloading.

The smaller 2600 and 2700 rakes are fitted with a four-wheel chassis, while the bigger 2800, 2900 and 3100 variants get six-wheels on a pendulum axle.

All but the smallest version have hydraulic swath width adjustment; the 2600 is set manually.

The 2800 and 2900 are also available in Business spec, which brings into play Active Float hydraulic rotor suspension that works in a similar vein to that on the firm’s Disco Contour mowers.

It means rotor ground pressure can be adapted to suit varying forage quantities and ground conditions, helping to increase working speeds and reduce swath contamination.

These models also get individual rotor height control using a preselection function on the Cemis 10 control unit.

Four-rotor rakes

Three new models now sit in the four-rotor Claas Liner portfolio, offering working widths from 9.3m to 15m.

Claas says the trio has been redesigned from the ground up, with the baby of the bunch – the Liner 4700 Trend – getting a 3.3m rotor diameter and a maximum width of 12.7m.

The 4800 and 4900 both come in Business spec and have max working widths of 13.6m and 15m, respectively. Maximum swath width starts at 1.3m on the 4700 and rises to 2.5m on the 4900.

The tine arms are attached by 20-spline shafts and secured with Profix brackets, which should make replacing them straightforward in the field.

Maximum reach on the new four-rotor Liners is 15m © Claas

All four rotors are mechanically driven, which increases raking force by up to 50% compared with a hydraulic drive, says Claas, and they feature the same friction clutches as the smaller twin-rotor units.

Each rotor of the Liner has a redesigned cardan suspension system, which help them move across the ground with plenty of freedom.

Both model specs get sequential lift control of the front and rear rotors, while Business variants also include a programmable individual rotor lift option.

As far as control units go, the Liner 4700 Trend uses the tractor’s spools, with the Plus control on the Cemis 10 control box offering six keys for operation.

The fancier Liner 4800 and 4900 Business models can be Isobus-controlled through the tractor’s screen or from Claas’ Cemis 700 or 100 terminals.

For road transport, the telescopic arms are fully retracted and folded up at 90deg to the main frame, which keeps the height within 4m when the rake is hydraulically lowered.

This avoids the need to take the tine arms off manually.