JLG X23J - X700AJ Service Manual - Manual (Page 81)

SECTION 3 - CHASSIS & TURNTABLE
3-54 – JLG Lift – 3121448
TECHNICAL INFORMATION
PRODUCT DESCRIPTION
The BONFIGLIOLI TRASMITAL motor gearboxes of the
series described in this manual are designed and built for
application as track drive for crawled machines equipped
with open loop hydraulic circuit.
The unit includes:
Motor
Two speed hydraulic motor (axial piston swash plate type)
containing:
Integrated counterbalance valve
Automatic speed shift device (auto 2 speed) accord-
ing to the motor working pressure
Anticavitation valve
Planetary gearbox
Planetary gearbox, 2 stages, rotating housing type.
The track drive functional scheme shown in the sketch
below.
Figure 3-156.