Page 1
Specifications
®
Cat
SU488
Scoop
Dimensions (approximate)
Overall Length
With lifting forks 26 ft 4 in
With contoured bucket 29 ft 4 in
With quick-attach at bottom bucket 30 ft 0 in
Length with lift plate attachment 27 ft 0 in
Overall Width
With lifting forks 8 ft 10 in
With contoured bucket 9 ft 6 in
With quick-attach at bottom bucket 9 ft 6 in
Wheelbase 12 ft 0 in
Un-A-Trac Empty Weights
Less Battery 36,700 lbs
With 64-SS85-21 Battery 46,750 lbs
With 64-SS100-21 Battery 48,000 lbs
Battery Height from Ground
With 64-SS85-21 Battery
35X15-15 Tires 3 ft 2 in
38X16-15 Tires 3 ft 4 in
With 64-SS100-21 Battery
35X15-15 Tires 3 ft 4 in
38X16-15 Tires 3 ft 6 in
With 64-SS125-21 Battery
35X15-15 Tires 3 ft 8 in
38X16-15 Tires 3 ft 10 in
Ground Clearance (Nominal)
(Please reference sales drawing for Ground Clearance prole)
35X15-15 Tires 10 in
38X16-15 Tires 13 in
Adjustable Cab Height
35X15-15 Tires 4 ft 2 in - 5 ft 0 in
38X16-15 Tires 4 ft 5 in - 5 ft 3 in
Main Frame Height
35X15-15 Tires 2 ft 10 in
38X16-15 Tires 3 ft 1 in
Inside turn radius 12 ft 0 in
Outside turn radius 24 ft 0 in
Steering articulation 80° total
Tram Speed 5 mph
Lift Capacity
16 tons at 36 in from the face of lift plate
Drive Train
Tram Motor
One proprietary design
Mine traction
Direct current
Gear motor rated at 50 hp (1 hour) at 1,540 rpm and 110 Volts
MSHA totally enclosed, explosion-proof
Non-ventilated cooling
Foot-mounted
Reducer
A foot-mounted 3.33:1 ratio gearbox
Drive Lines
Heavy duty off-highway
7C type driveshafts with slip joints
Axles
Heavy duty
Cat proprietary
79,000 lbs capacity axle
Features outboard planetary
SAHR brakes
Brake cooling
Optional Dif-Lok
*Alternate axles will be considered upon request
Page 2
Scoop—SU488
Bucyrus International, Inc.
®
488-6
Un-A-Trac
®
*Detailed GA drawings available for specific dimensions and component locations
Page 3
Scoop—SU488
Brakes
Service & Emergency/Park
Spring-applied hydraulic release SAHR
4-wheel wet disc
Left-pedal activated
Controlled by reverse modulating valve
Hydraulics
Pump Motor
Mine duty
Laminated frame
Direct current
Motor rated at 16 hp (1 hour)
110 Volts DC
MSHA totally enclosed, explosion-proof
Non-ventilated cooling
Foot-mounted
Pump
Fixed displacement
Helical gear tantum pumps rated at 24 total gpm at 1,600 rpm
Pump is directly mounted to the pump motor housing.
Reservoir
45 gal capacity with magnetic particle sump strainer and
10 micron return line lter with by-pass. A dipstick is provide
in the top of the oil tank for oil-level monitoring.
Reservoir Fill System
Fill cap assembly in top of reservoir tank.
Valve Bank
Five section, parallel (ow through) type with 2,250 psi
internal relief and 1,700 psi steering relief. Valve bank is
rated at 40 gpm
Hydraulic PTO
Two (2) quick coupler connections, 1,200 psi maximum
recommended operating pressure.
Steering Cylinder
Two (2) 5 in bore, double-acting cylinders with forged rods and
self-aligning bearings.
Fire Suppression
Four point, 20 lbs, multi-purpose, ABC dry chemical re
suppression system manually actuated from operator’s
compartment and remote location.
Frame
Heavy-duty with bends utilized where applicable to reduce
the number of indeterminate stresses introduced by welding;
constructed of ASTM 572-GR50 steel with T-1 steel at high
stress or wear areas; 10 in extended operator’s deck with side
egress access.
Center Section:
Heavy-duty ball bearing with unlimited oscillation; internal
grease seals to prevent contamination of the ball bearings, and
pivot points designed to distribute loads using self-aligning,
one-piece, heavy-duty radial bearings.
Operator’s Compartment:
1. 10 in extended operator’s deck
2. Control station which houses the master switch for park,
forward and reverse; light switch for front and rear lights;
pump motor start button and automatic park brake release
3. Right foot accelerator pedal
4. Left foot brake pedal
5. Tape strip panic switch that de-energizes electrical system
and applies automatic brake
6. Warning gong
7. Manual circuit breaker lever reset handle
8. Valve bank hydraulic functions:
Steering
Bucket
Bucket eject
Winch/power take off
Battery changer
9. System pressure gauge
10. Accumulator pressure gauge
11. Park brake release pressure gauge
Lift Cylinder
Two (2) 7 in bore, double-acting cylinders with forged rods and
self-aligning bushings.
Hydraulic Hose and Fittings:
JIC ttings with high pressure hoses, MSHA 2G ame-resistant
approved.
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Scoop—SU488
Electrical Controls
1. Model 2000, microprocessor controlled, IGBT, contactorless,
128VDC, 1200 amp traction motor controller with innitely
variable, stepless, machine speed control. Equipped with
on-board dashboard display for machine information of
battery capacity, battery voltage, motor currents, elapsed time
hourmeter, and troubleshooting diagnostics information.
2. Microprocessor controlled, IGBT, contactorless, 128VDC,
350 amp, pump motor controller. Limits starting current and
provides LED-based diagnostics.
3. Mine duty, 600 amp frame circuit breaker, with UVR (under
voltage release) trip unit.
Manuals
Two parts manuals
Two operation and preventive maintenance manuals
Two electrical troubleshooting guides
Two battery maintenance manuals
Two battery maintenance charts
One CD, which includes all above manuals in electronic format
Operator’s Compartment Options
21 in deck extension to provide better visibility in the lower
seams
Dif-Lok- hydraulically activated differential lock that allows
all four wheels to have equal torque during difcult oor
conditions. The Dif-Lok is activated by a oor-mounted,
foot-operated push button.
Tire/Wheel Option
35X15-15 Tires – Customer-specied tire brand and ll type.
38X 16-15 Tires – Customer-specied tire brand and ll type.
Winch Option
Winch - 30,000 lb. bare drum pull, two-speed winch assembly
with 70 ft of ¾ in diameter steel cable. Requires operator cab in
lieu of canopy
Cab Options (cab must be utilized when winch is selected)
Manual
Hydraulic
Battery Plug - Single Connector Option
J&R 2000, 5-pole, Brass w/Captive Wrench
Brass plug with a captive wrench to install or remove the
battery plugs. Battery plug is rated at 600 amps.
Other connector options available upon request
Lighting System Option
Ocenco, Halogen, 12VDC, 50 watt
Two front headlights with protective guard, and two rear
headlights with protective guard.
MCI 120V
MCI 12V
Center Section Cable Location Option
All cables over the top of center section.
Cables are protected with additional guarding and covers. This
will add 3 in to overall frame height.
Auxiliary Components
Battery Change Cables
Operator Control Options
Left-hand control stick that incorporates the most common
operator functions
Ergonomically designed control stick for one-hand control of
pump motor, park brake, travel direction, traction assist, stop/
shutdown and headlight controls. Speed control accomplished
by right-foot-activated pedal. Tapeswitch stop switches located
on both sides of operator.
Manual disconnect switch
Lift Attachment Option
QDS quick attach module (required for all QDS attachments)
QDS fork assembly
QDS battery carrier
Machine Battery
Battery Tray
Battery with Plastisol Coated Tray (Single Connector)
Battery Receptacle Kit
Battery Filling System
Battery Charger Options:
Single-output for one battery
Dual-output for two batteries
Page 5
Scoop—SU488
Battery Charger Accessories
Heavy-duty Charger Case
Sled consisting of heavy-duty protection framework and
equipped with lifting mechanisms designed to be engaged by
the optional QDS Lift System.
Other Options
Schroder Test Mate
PA approval kit
Park brake pressure switch
Center section lock bar
Venturi jet ll
Traction motor over speed protection
Handheld calibrator
(control adjustments and troubleshooting
All specifications are subject to change without notice.
For more complete information on Cat products, dealer services, and industry solutions,
visit us on the web at mining.cat.com and www.cat.com
© 2011 Caterpillar Inc.
All rights reserved
CAT, CATERPILLAR, their respective logos, “Caterpillar Yellow” and the “Power Edge” trade
dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and
may not be used without permission.
AEHQ6606
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