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Roller feed harvester heads

KESLA harvesters, designed to withstand extreme conditions. The market’s best materials and components, combined with high quality and superior design, ensure the harvesters’ reliability and ease of service.

The standard equipment of KESLA harvesters carefully thought out, as the proportional feed control that is already standard in all RH and RHS models makes the delimbing efficient and fluent, and feeding stops precisely to the desired cutting length. The proCON and hydCON features, a broad range of other additional accessories, is applicable to enhance the harvesters’ efficiency and suitability to the customer’s needs and working conditions.

KESLA 14RH is a new head for first thinnings. Lightweight and excellent hydraulics efficiency make it a perfect powerpack for farm tractors, light thinning harvesters, and max. 6 tons of excavators.

The 14RH is an agile head with three delimbing knives. The single rear-knife ensures delimbing of bottom branches and holds even larger trees firmly in the grip. Due to the short frame design, processing of even crooked trees is easy. The optimal diameter of trees is up to 25 cm. The KESLA 14RH is equipable with KESLA proLOG or xLogger control and measuring system, including professional features for head control and cutting/bucking, and data transfer.

kesla 14rh

The 16RH is a real powerhouse for thinning, suited to 6-10 tons wheeled harvesters and tractors.

KESLA 16RH is the market’s lightest professional harvester head equipped with four delimbing knives and multi-stem functions, designed for integrated harvesting of timber and biomass. Professional multi-stem features and the unique proAX-cutting systems are unequaled features in this size- and weight class. 

 kesla 16rh

The new KESLA 18RH-II is suitable for machines weighing 7 to 13 tons and large agricultural tractors/excavators of 7-10 tons.

With the new frame, delimbing knife, shaft, and bearing solutions of the KESLA 18RH II, efforts have been made for even better durability and a lesser need for service, even in the most demanding operating conditions. The new, more spacious system enables a higher feed force and speed with significantly reduced fuel consumption. Feed supplemented with hydraulic traction control. 

 kesla 18rh

If head weight is a critical factor, the 19RH-III is a superb choice because of its lighter weight. It is best suited for installation on 8-13 ton excavators or wheeled harvesters.

Due to its modular design, the new KESLA 19RH-III harvester head, optimized to work in a wide variety of conditions, with different wood and base machines. The KESLA 19RH-III is a 3-knife harvester head with one rear delimbing knife, suitable for first or subsequent thinning, for harvesting short rotation eucalyptus and acacia plantations with or without debarking. As a 3-knife, 19RH-III is an excellent choice for handling a slightly more challenging acacia. 

 kesla 19rh

The KESLA 20RH-II models suit 8-13 ton wheeled harvesters and excavators.

The KESLA 20RH-II heads are fast and agile, suitable for thinning and final felling where the trees’ average diameter is less than 30 cm. The head’s maximum opening is 45 cm. This lightweight yet sturdily constructed harvester head provide exceptionally powerful feeding and sawing forces. Due to the four delimbing knives and picking properties, delimbing quality is excellent.

 kesla 20rh

The new KESLA 21RH-III harvester head, optimized to work in a wide variety of conditions, with different wood and base machines. It is best suited for installation on 10-13 ton excavators or wheeled harvesters.

The KESLA 21RH-III is a 4-knife harvester head with two rear delimbing knives, suitable for first or subsequent thinning, harvesting short rotation eucalyptus and acacia plantations with or without debarking. 

 kesla 21rh

Brand new KESLA 24RH-III harvester head, suitable for 12-16 ton excavators and mid-size wheeled harvesters.

KESLA 24RH-III features a wide range of use from thinning up to final felling. It also can be mounted on a range of different base machines.

The 24RH-III is a compact 3-knifed head with a single rear delimbing knife. It is lighter than its 4-knifed sister 26RH-III and perfectly fits where weight is a critical factor. Thanks to the modular construction, the change between the 3- and 4-knifed versions are possible even as retro-fit.

 kesla 24rh-III

KESLA 25RH-II and 25RHS-II are best suited to 12-20 tonne base machines, designed especially for use with excavators.

The KESLA 25RH-II models are truly versatile harvester heads for thinning and final felling where the trees’ average diameters are less than 40 cm. The head’s maximum opening is 58 cm. Additional accessories include the proCON, hydCON, Eucapro features, color marking device, automatic chain tightener, and stump treatment device. The 25RH-II models are suitable for producing biomass harvesting with the unique KESLA proAX-cutting system and multi-stem functions.

 kesla 25rh

Brand new KESLA 26RH-III harvester head, suitable for 12-16 ton excavators and mid-size wheeled harvesters.

KESLA 26RH-III is a real multitool, working productively in all kinds of cuttings from first thinning up to final felling.

The four delimbing knives, Kesla’s unique progressive feed roller geometry, take a firm grip even of large trees, while the large feeding rollers provide excellent traction. The 2WD with unbeatable efficiency gives lots of feeding power and high feeding speed, maintaining low fuel consumption.

 kesla rh26-III

KESLA 27RH-II is an all-new head for final felling, featuring powerful hydraulics combined with totally new modular frame construction, ensuring the market’s best power-to-weight ratio. It is suitable for heavy rubber-wheeled harvesters and 16-22 tonne excavators.

KESLA’s unique feed roller geometry with variable roller angle gives excellent traction and minimized friction when delimbing. The powerful hydraulics enables even 36kNm delimbing force at high feeding speed, all with less fuel consumption. A short frame with a single rear delimbing knife makes the head powerful also when processing crooked trees. That’s why KESLA 27RH-II is an excellent choice for debarking eucalyptus or acacia.

 kesla 27rh

KESLA 28RH-II is a new head for final felling, featuring powerful hydraulics combined with totally new modular frame construction, ensuring an excellent power-to-weight ratio. It is suitable for to heaviest rubber-wheeled harvesters and 18-25 tonne excavators.

KESLA’s unique feed roller geometry with variable roller angle gives excellent traction and minimized friction when delimbing; powerful hydraulics enable 36kNm delimbing force at high feeding speed, with less fuel consumption. KESLA 28RH-II is available as 2WD and 3WD version featuring a bottom roller with two motors. It’s a perfect choice for both soft and hardwood logging as well as debarking eucalyptus or acacia.

 kesla 28rh

KESLA 29RH-II is suitable for the heaviest wheeled harvesters and 20 to 30-ton track-equipped excavators.

KESLA 29RH-II is a 3-knife 2WD harvester head. The construction made to last in the most demanding working conditions.

Due to its compact design, large-diameter feed rollers, excellent protection, and robust construction, the harvester head is ideal for felling crooked and branched hardwoods. 29RH-II is also available with an integrated top saw (29RH-II TS).

 kesla 29rh

KESLA 30RH-II is a new head for heavy-duty final felling. It is suitable for track-based harvesters and 20-30 tonne excavators.

The head features powerful hydraulics combined with sturdy and modular frame construction, ensuring an excellent power-to-weight ratio and a long operating lifetime. Kesla’s unique feed roller geometry with variable roller angle gives excellent traction and minimized friction when delimbing; powerful hydraulics enables 32kNm delimbing force at high feeding speed, all with less fuel consumption. KESLA 30RH-II is available as 2WD and a 3WD version featuring a bottom roller with two motors. It’s a perfect choice for both soft and hardwood logging as well as debarking eucalyptus or acacia.

 kesla 30rh

 

 

KESLA 14RH 16RH 18RH-II 18RHS-II 19RH-III 20RH-II 20RHS-II 21RH-III 24RH-III 25RH-II 25RHS-II 26RH-III 27RH-II 28RH-II 2WD 28RH-II 3WD 29RH-II 29RH-II TS 30RH-II 2WD 30RH-II 3WD
WIDTH, HEAD OPEN (mm) 900 1040 1160 1160 1300 1150 1150 1300 1540 1350 1350 1540 1670 1670 1670 1765 1765 1765 1765
WIDTH, HEAD CLOSED (mm) 300 830 900 900 985 900 900 1025 1115 980 980 1115 1210 1210 1210 1260 1345 1260 1260
LENGTH (mm) 1050 1110 1185 1185 1280 1290 1290 1380 - 1400 1400 1630 1565 1635 1635 1580 1810 1695 1695
HEIGHT (WITHOUT ROTATOR) (mm) 960 1110 1240 1240 1415 1220 1220 1410 1400 1390 1390 1510 1890 1890 1890 1910 1910 1910 1910
WEIGHT (WITHOUT ROTATOR) (kg) 350 445 560 490 680 610 610 720 960 860 860 1010 1290 1380 1440 1540 1660 1690 1690
MAX. CUTTING DIAMETER (mm) 380 450 500 500 540 520 520 540 650 670 670 650 780 780 780 780 780 780 780
FEEDING (rollers/stroke) 2 rollers 2 rollers 2 rollers 2 rollers 2 rollers 2 rollers synch. 2 rollers synch. 2 rollers 2 rollers 2 rollers synch. 2 rollers synch. 2 rollers 2 rollers  2 rollers  3 rollers  2 rollers  2 rollers  2 rollers  3 rollers 
MAX. OPENING OF ROLLERS (mm) 300 350 420 420 420 450 450 420 580 580 580 580 700 700 700 700 700 700 700
FEED FORCE (kN) 10-15 16 19 15.1 15-19 15.1 15.1 15-19 16-23 20 20 16-23 23-36 23-36 30 20-32 20-32 20-32 32
KNIVES (pcs) 1+3 4 mobile + 1 fixed 2 moving+ 1 fixed 2 moving+ 1 fixed 1+3 4 moving+ 1 fixed 4 moving+ 1 fixed 1+4 1+3 4 moving+ 1 fixed 4 moving+ 1 fixed 1+4 3 moving+ 1 fixed 4 moving+ 1 fixed 4 moving+ 1 fixed 3 moving+ 1 fixed 3 moving+ 1 fixed 4 moving+ 1  fixed 4 moving + 1 fixed
DIAMETER TIP-TO-TIP (mm) 250 330 330 330 330 330 330 330 390 390 380 390 480 480 480 480 480 480 480
MAX. OPENING, FRONT KNIVES (mm) 300 480 480 480 480 480 480 480 600 600 600 600 720 720 720 720 720 720 720
MAX. OPENING, REAR KNIVES (mm) 380 500 - - 520 520 520 520 630 680 680 700 760 760 760 760 760 760 760
OPERATING PRESSURE (bar) 19-23 230-250 210-240 210-240 280 210-240 210-240 280 28 210-240 210-240 28 280 280 280 280 280 280 280
FLOW REQUIRED (l / min) 120-150 150-170 170-200 135-160 150-200 170-200 170-200 150-200 220-250 200-250 170-210 220-250 220 250 220 175-260 175-260 175-260 220

 


 KESLA RH