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Drive Unit
All gear drive from drive motor to
drive wheel axle. Drive tire axle is
mounted in the drive unit on both
sides for maximum strength in
rough floor or docking applica-
tions. Drive unit is top and bottom
mounted. Top mount is a large,
tapered roller bearing for vertical
or horizontal forces. Bottom mount
has four shock mounted rollers on
drive unit running in a hardened
steel roller race. Gear train runs in
oil-filled, sealed housing.
Caster System
Standard on the PE 4000 Series
are shim free, spring-loaded,
articulating, stabilizing casters
designed and manufactured by
Crown for increased truck perfor-
mance and service life.
Crown has designed two optional
caster systems for the PE 4000
Series to meet high-volume
warehouse requirements:
Option 1: Quick adjustment
casters enable braking, traction,
steer effort and stability to be
“balanced” based on your specific
applications. This system can also
increase drive tire life by as much
as 60 percent by permitting more
tire wear.
Option 2: All of the advantages of
quick adjustment casters are
yours, in addition to a torsion bar
suspension that maximizes stabili-
ty on tall, unwieldy and less stable
loads.
Fork adjustment is done at the
toe with no need to remove a
cover plate. Fork heel height
adjustment is done quickly with-
out removing battery. Quick and
easy fork adjustment promotes
servicing of fork assembly to keep
pallet entry/exit productive.
Pull rod design incorporates a
replaceable “tenon” design for
fast servicing of pull rod while still
in the truck.
Power Unit Structure
Rugged steel doors are
suspended on heavy-duty pin
hinges. Doors swing wide for
good access. Doors also can be
lifted off for unrestricted service
access. Door bolts have exclusive
convex design that mates with
concave door holes for fast rein-
stallation of bolts. Heavy steel skirt
surrounds entire area.
Brake
Internal expanding mechanical
brake with fin-cooled 6" drum.
Braking on PE is actuated by
control handle position.
Pallet Planning Guide
On standard-tip fork models, the
load wheel will drop in the second
opening of the pallet when “A” or
“B” dimension equals the nominal
fork length. On extended-tip fork
models, the load wheel will drop
in the first opening of the second
Fork Assembly
Fork width - 9.12" on standard-tip
fork models, 10" on extended-tip
fork models. Fork spread - 22"
and 27" standard on standard-tip
models. 23"- 26" spread available
in one inch increments. 23" and
28" standard on models with
extended-tip models. Fork spreads
from 24"- 27" available in one-
inch increments. Fork lengths -
36, 42, 48, 54, 60, 96" with stan-
dard tip; 84, 93, and 96" forks
available with extended tip design
for shorter wheelbase.
To facilitate pallet entry/exit
Crown has engineered several
features into their fork assembly.
Standard-tip forks have pallet
entry rollers to lift fork over bottom
board of pallet. Rollers are made
of high molecular weight polyeth-
ylene with .75" axle and roll pin.
Extended-tip fork design has
totally enclosed tip, with full
length convex bottom surface
creating an entry ramp. Ramp
design helps fork glide over
bottom boards of pallet and keeps
welded edges from touching
bottom boards of pallet.
Abrasion resistant steel entry/exit
slides on both sides of each fork
have convex bottom surfaces to
prevent snagging as forks move
over bottom boards of pallet. One
piece design with radiused edges
are welded away from contact
point of slide.
Exit roller design prevents load
wheel from dropping after cross-
ing bottom board. The 4" wide,
steel exit roller is positioned
directly behind the load wheel to
keep the fork rolling. Entry/exit
slide design also assists in trouble
free pallet entry/exit.
pallet. On models with a single
load wheel, the “C” dimension
should be 6" maximum and the
“D” dimension should be 14" mini-
mum. On models with tandem
load wheels, the “C” dimension
should be 6" maximum and the
“D” dimension should be 17"
minimum. Customers that need
tandem load wheel trucks, but
use pallets with smaller openings,
may be accommodated if the
maximum lift height of the truck is
reduced. Contact your Crown
dealer for details
Other Options
1. Audible travel alarm
2. Flashing lights
Safety considerations and dangers
associated with audible travel
alarms and flashing lights include:
• Multiple alarms and/or lights
can cause confusion.
• Workers ignore the alarms
and/or lights after day-in and
day-out exposure.
• Operator may transfer the
responsibility for “looking out”
to the pedestrians.
• Annoys operators and
pedestrians.
Dimensions and performance
data given may vary due to man-
ufacturing tolerances. Perfor-
mance is based on an average size
vehicle and is affected by weight,
condition of truck, how it is
equipped and the conditions of
the operating area. Crown prod-
ucts and specifications are sub-
ject to change without notice.
PE 4000 Series
Technical Information
A
A
B
DD
CC
First
Opening
Second
Opening