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Travel drives with integrated motor

PMCI drive models integrate two position - two displacement motors into solid planetary gearboxes. These units feature integrated counterbalance valves for operation in open circuit, integrated relief valves and displacement change valve systems. These technical solutions make the PMCI integrated travel drives the ideal solution for hydraulic excavators from 6 to 50 tons, as maximum output torques of the different models range from 10.000 Nm to 100.000 Nm.

Besides excavators, the PMCI drives with higher reduction ratios can be used on several applications: travel drives for mobile crawler cranes, crushers, platform boom-lifts, soil compactors, pavers, etc. Thanks to the compact and effective design that integrates motor and planetary gearbox on the PMCI models, the use of expensive fully variable motors can often be avoided.

Features

  • efficiency and compact design
  • high pressure technology increases the efficiency of the hydraulic system
  • single or Dual speed motors with integrated counterbalance valve and relief valves
  • hydraulic brake directly applied on the motor
  • automatic speed change available upon request
  • wet disk brake patented technology
  • lower working temperature, higher system efficiency
  • working temperature range – 40°C / + 110°C

Reliability and Durability

  • low displacement, high pressure motors for longer life of critical components and increased durability of the entire system
  • full Bronze cylinder sleeves on rotating block
  • bimetallic (Bronze/Steel) distribution plate
  • rotary group with differential spring system which increases motor life
  • gearbox main seal with triple seal system: mechanical labyrinth, v-ring seal, main oil seal
  • main seal easily replaceable without gearbox disassembly
  • gearbox main bearing made of a single part, easily replaceable, fully supplied with pre-set load

Technical Data

PMCI 1200 2500 3000 4000 4500 6000 9000
Available ratios  i 30 - 53 55 56 - 120 63 - 120 55 - 135 60 - 143 65 - 183
Max. output torque Nm 12000 20000 30000 40000 45000 62000 90000
Displacement Max cc 55 72 72 110 110 180 180
Max. Pressure  bar 350 350 350 350 350 350 350
Park brake Torque Nm 165 240 240 335 335 600 600
Weight kg 90 175 175 245 245 370 490
Linde Hydraulics GmbH & Co. KG
Wailandtstrasse 13
63741 Aschaffenburg
Germany
Phone.+49 6021 150 00 info@linde-hydraulics.com
VAT ID Number. DE285285810
Tax Number. 204/167/55001