FD-30001, FD-30500, FD-30600, FD-36500, FD-37500, RD-30500,
RD-30600, RD-36500 and RD-37500 Series Drive Axles
AXLE APPLICATION
DESCRIPTION
The axle assembly is a full-floating spiral bevel type with
Following is a list of axles covered in this manual and the
further reduction provided by planetary gear set within the
applicatron of these axles
wheel hub.
Model No.
Model Usage
Port NO.
PRIMARY REDUCTION
180-I(175A-I)
FD-30001-2
130192
The spiral bevel pinion and ring gear transmit power
175A-I
FD-30001-3
130269
through the center differential pinions and side gears or
110-I(175A-I)
FD-30500
130786
through a No SPlN differential to the axle shaft. The spiral
175A-I
FD-30500-1
130787
bevel differential assembly is mounted on tapered roller
FD-30500-2
180-I
130788
bearings which are adjusted by positioning of the two
FD-30001-7
175A-I
130790
threaded adjusting nuts mounted in the differential carrier
130824
FD-30500-3
110-I
and cap assembly. The tapered roller pinion bearing pre-
FD-36500-2
130998
175A-II
load is adjusted and maintained by a hardened and pre-
FD-36500-6
110-I
131403
cision ground spacer positioned between inner and outer
FD-36500-10
180-III
131507
bearings. Spacer is selected at assembly.
110-III
131569
FD-36500-11
125-III
131720
FD-30500-8
175-III,175-IIIA
131722
FD-36500-12
SECONDARY REDUCTION
125-IIIA
131927
FD-30500-12
In the wheel hub, a self-centering sun gear is spline fitted to
125-IIIA
131928
RD-30500-11
the axle shaft and drives three planetary pinion gears.
RD-36500-6
175-IIIA
131929
These gears in turn mesh with and react against a rigidly
FD-37500-4
180-III
190010
mounted internal ring gear. The planet gears rotate on
175-III, 175-III
FD-37500-5
190011
needle roller bearings mounted on hardened and ground
125-IIIA
FD-30600-2
190087
pins located in the planet carrier which in turn drives the
FD-30600-1
125-IIIA
190088
wheel hub, Positive lubrication keeps all moving parts
RD-37500-2
175-IIIA
190094
bathed in lubricant to reduce friction, heat and wear.
Brake assemblies are actuated by hardened and ground
cam shafts which in turn are actuated by air chambers
LUBRICATION
mounted externally on the axle. Air pressure is provided
to the air chambers from the air system of the vehicle when
Proper lubrication is necessary to assure long periods of
foot pressure is applied to the brake treadle valve mounted
trouble-free operation. Not only is it important that the re-
on the floorboard of the operator's compartment.
quired lubrication schedule be maintained, but also that
the proper type of lubricant be used. The following are the
Manually operated parking brakes are supplied on some
models. These consist of a brake drum, mounted on the
only lubricants recommended for use in these axles. Con-
companion flange, which encompasses a mechanically
sult applicable Operators Manual for machine model in-
volved for capacities and lubrication schedules.
operated brake shoe and lining assembly.
[5]
