TH55
LIGHTWEIGHT HEAD FOR MIDSIZED HARVESTERS
TH55 is a light, compact and highly productive harvester head designed especially for thinning operations and clear felling of midsized timber. The lightweight TH55 is an excellent choice for midsized harvesters with long out-reach cranes. The three-roller synchronized feed system ensures a powerful and precise feeding in all conditions.
BCA Solution
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TECHNOLOGIES
GREAT RESULTS ON BENT TIMBER
TH55 performs perfectly on bent timber because of its long front knives equipped with parallel rod, its large tilt angle and short frame.
PRECISE IN ALL CONDITIONS
The diameter of the timber is measured from the front knives with two sensors, which guarantees a reliable diameter measurement. The fully hydraulic length-measuring wheel, with a possibility to adjust the pressure, together with a wide range of different length measuring wheel options ensure a precise length measurement in all conditions.
IN A NUTSHELL
Dimensions
| Width – head open | 1 420 mm (55.9″) |
| Width – head closed | 1 200 mm (47.2″) |
| Height to top knife | 1 300 mm (51.2″) |
| Height with rotator and link | 1 820 mm (71.7″) |
| Weight with rotator and link | 1 000 kg (2200 lbs) |
FELLING / CUTTING
| Max. felling/cutting diameter | 650 mm (25.6″) |
| Saw bar | 750 mm (29.5″) |
| Saw unit | SuperCut 100S |
| Saw motor | Parker/Bucher |
| Saw chain tensioning | Automatic |
| Chain oil tank volume | 8 l (2.1 US gal) |
HYDRAULIC SYSTEM
| Max pressure | 280 bar (4 061 PSI) |
| Flow required for optimal production | 160 l/min (42.3 US gal/min) |
| Valve block | Purpose built hydraulic manifold |
FEEDING
| Hydraulic motors – feeding arms | 500/630 cm³ |
| Hydraulic motors – chassis | 315/400 cm³ |
| Number of hydraulic motors | 4 pcs |
| Feeding speed, 300 l/min | 6,0/4,7 m/s (19.7/15.4 ft/s) |
| Max opening – feeding wheels | 630 mm (24.8″) |
DELIMBING
| Max opening – upper knives | 680 mm (26.8″) |
| Max opening – rear knives | – |
| Delimbing diameter tip to tip | 450 mm (17.7″) |
| Number of static knives | 1 pc |
| Number of movables knives | 3 pcs |
| Max tilt angle | 140º |
ROTATOR
| Options: | Indexator AV12S, H122 BBR 15H |
MEASURING SYSTEM
| Device: | LOGSET TOC-MD 2 |
RECOMMENDED BASE MACHINE
| Wheeled base | 14-18 t (30860 – 39680 lbs) |
| Tracked base | 16-20 t (35270 – 44090 lbs) |
OPTIONAL EQUIPMENTS
Contact your local dealer for more information about options.
TECHNOLOGIES
Optimal Delimbing diameter 10-40 cm Maximum felling-/cutting diameter 65 cm
FEEDING WHEEL SAFEGUARD
The feeding wheel safety guard is as a standard equipment to protect the harvester head from rocky ground, for example when lowered down. The feeding roller model is optional.
LENGTH MEASURING DEVICE
The length measuring device is firmly attached to the harvester head frame. Choose the measuring wheel model that suits your needs.
REACTION ROD
The reaction rods in the feeder arms centres the woods inside the harvester head and ensures that the stem remains at the bottom of the harvester head even during a possible feeding reversal step.
DELIMBING KNIVES
Robust delimbing knives are optimized for average stem size and them are lightly delimbing large, branched conifers for example.
REAR DELIMBING KNIVES PIN
The sturdy housing structure connects both the fastening pins for the rear and front delimbing knives. The service life of the pins is long. The locking nut on the pin keeps the whole package together.