Patent ID: 7694772
Filing Date: 2010-04-13
Classification: B60T,B62D

Abstract:
1. A forward cab articulated tractor wherein the improvement consists of: (a) a forward cab section including an operator space and controls for said forward cab articulated tractor, (b) said forward cab section attached to an articulating hinge, (c) a rear section pivotally attached to said articulating hinge and located aft of said forward cab section, (d) said rear section including a power source comprising an internal combustion engine, (e) said internal combustion engine connected to a hydraulic fluid pump located in said rear section of said forward cab articulated tractor, (f) hydraulically driven front and rear drive wheels disposed on said forward cab section and said rear section, respectively, each of said front drive wheels and said rear drive wheels having an adjacent hydraulic drive wheel motor associated therewith, (g) said hydraulic fluid pump providing hydraulic fluid into a manifold on said rear section, said manifold having flow dividers directing said hydraulic fluid to said hydraulically driven front and rear drive wheels via hydraulic fluid lines having at least one control valve connected thereto, (h) hydraulic steering cylinders attached between said forward cab section and said rear section for actuating turning of said articulating hinge, said hydraulic steering cylinders receiving said hydraulic fluid directed from said flow dividers on said manifold via said hydraulic fluid lines, and (i) hydraulic drive wheel disc brakes on each of said front drive wheels adjacent said front hydraulic drive wheel motors, said hydraulic drive wheel disc brakes connected via said hydraulic fluid lines to said manifold to provide braking function to said forward cab articulated tractor.