MCCORMICK X60 Series, Operator'S Manual

Page: 248 / 262

Technical specifications
246
4WD front axle
Front axle in spheroidal cast iron pivoting around two
central supports.
Electro-hydraulic front drive engagement by means of
hydraulic clutch.
Spring-On/Pressure-Off type.
Propeller shaft without universal couplings installed along
the longitudinal axis of the tractor.
Transmission through central differential and epicyclic
final drives in the wheel hubs.
Max. steering angle ....................................................55°
Front axle with oil-cooled front brakes. The front brakes
are the oil-cooled multi-disc type mounted on the live
axles of the front differential: 4 discs (2 for each live axle).
Electro-hydraulically controlled “Twin-Lock” differential
lock
mounted as standard supply. Engagement occurs at
the same time the rear differential is engaged. The diffe-
rential lock is disengaged by means of the brake pedals.
Interflange: ...............................................................1887
Distance between kingpins ...............................1530mm
Reduction ratios
Bevel gear pair: .............................................8/31=3.875
Epicyclic final drives: ...............................15/15+63=5.2
Total reduction ratio: ...............................................20.15
Transmission ratio between front and rear
axles ......................................................................1.3882
Track width adjustment
To adjust the track width of the front axle and rear axle,
see the tables in the “Operation” chapter.
Steering components
Power steering
Power steering system controlled by the steering wheel.
Telescopic steering wheel adjustable in height and tilt.
Gear pump with a delivery rate of 31 l/min at a 2200 RPM
engine rate (see “Description of the Hydraulic Circuit”).
Paper filter on the delivery side.
Balanced, double-acting steering cylinder mounted on
the axle casing.
Max. working pressure in power steering
system .........................................................150 +/- 5 bar
Max. steering angle without brakes, 4WD: .......5200mm