Tiger­cat goes big­ger with new skid­der

Australian Forests and Timber - - FOREST MACHINES -

THE NEW 632E takes the ca­pa­bil­i­ties of Tiger­cat skid­ders to a whole new level with larger rear axles, hy­draulic cylin­ders and main pump. The 632E fea­tures the largest grap­ple avail­able in the in­dus­try to­day and sets a new stan­dard for ex­treme productivity in tim­ber ex­trac­tion in the tough­est con­di­tions.

The 632E is pow­ered by the sim­ple and re­li­able Tiger­cat FPT N67 Tier 2 en­gine with peak power of 290 hp (216 kW) at 2,000 rpm and rated power of 288 hp (215 kW) at 2,100 rpm.

The 632E can be equipped with the largest grap­ple of­fered on any four-wheel skid­der on the mar­ket. The larger 2,1 m² (23 ft²) op­tion has a tip-totip open­ing of 3 860 mm (152 in). Com­ple­ment­ing the higher horse­power and larger grap­ple, the hy­draulic sys­tem and driv­e­line have been ex­ten­sively up­graded. Sev­eral com­po­nents and struc­tures have been up­sized for im­proved dura­bil­ity.

The 632E uses a larger main hy­draulic pump and valves for faster op­er­a­tion and bet­ter multi-func­tion­ing. The hy­draulic cylin­ders are larger al­low­ing the ma­chine to run pres­sures that are 10% lower while in­creas­ing per­for­mance by 10% on av­er­age. Cylin­der rod sizes have been in­creased by 25%.

Load sens­ing con­trol and a sim­pli­fied steer­ing cir­cuit lead to more re­spon­sive and ad­justable steer­ing con­trol. A newly en­hanced EHS® trans­mis­sion produces 11% more torque — with the same top speed as the pre­vi­ous gen­er­a­tion of EHS.

The new OB20 rear axle – spe­cially de­signed for the 632E — pro­vides 47% more torque ca­pac­ity and nearly twice the life on all bear­ings. The ser­vice brakes and park brake are in­cor­po­rated into the new axle. The axle mount­ing has been re­designed to use four high-strength 30 mm (1.18 in) bolts and two 30 mm studs on each side mounted to a mas­sive 77 mm (3 in) thick steel frame. The new de­sign trans­fers the force to the skid­der chas­sis and can bet­ter han­dle the higher torque load of the new axle and up­rated EHS drive. Rear drive shafts have been in­creased in size to 8.5C from 7C.

Op­er­a­tors will see ad­di­tional im­prove­ments in the cab start­ing with the au­to­matic, air-ride seat. A new in­stru­ment panel lay­out im­proves place­ment of elec­tri­cal out­lets and the elec­tronic con­trol sys­tem dis­play. Op­er­a­tors will en­joy finer joy­stick con­trol of the travel speed. The new high vis­i­bil­ity arch means a 10% im­prove­ment in vis­i­bil­ity to the ground through the arch. LED lights, im­proved boom light lo­ca­tion and a new arch light fur­ther en­hance vis­i­bil­ity to the grap­ple area.

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