This unit includes a general purpose bucket, maintenance package, connectivity, remote monitoring and your own team of product experts from Holt of California
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Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
541HP
Emissions
Einhaltung von EPA Tier 4 Final (USA)/Stufe V (EU), Tier-2-konform
Operating Specifications
Operating Weight
112574lb
Rated Payload
12.5t
Rated Payload - Standard
12.5t
Bucket Capacity Range
6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - Standard
770-772
Cat Truck Match - High Lift
773-775
Rated Payload - High Lift
12.5t
Buckets
Bucket Capacities
5.4-6.3 m3 (7.0-8.3 yd3)
Transmission
Transmission Type
Cat-Planetenlastschaltgetriebe
Forward - 1
4mile/h
Forward - 2
7.2mile/h
Forward - 3
12.7mile/h
Forward - 4
21.6mile/h
Reverse - 1
4.7mile/h
Reverse - 2
8.3mile/h
Reverse - 3
14.4mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.8mile/h
Direct Drive - Forward 3
13.9mile/h
Direct Drive - Forward 4
24.4mile/h
Direct Drive - Reverse 1
5mile/h
Direct Drive - Reverse 2
8.9mile/h
Direct Drive - Reverse 3
15.8mile/h
Axles
Front
Fixed
Rear
Trunnion
Oscillation Angle
±6°
Hydraulic System - Steering
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Relief Valve Setting - Steering
4351psi
Maximum Flow
71.3gal/min
Steering Cycle Times - Low Idle
5.6s
Total Steering Angle
80°
Steering Cycle Times - High Idle
3.4s
Service Refill Capacities
Fuel Tank
181gal (US)
Cooling System
31.7gal (US)
Crankcase
15.9gal (US)
Transmission
31.7gal (US)
Differential - Final Drives - Front
49.1gal (US)
Differential - Final Drives - Rear
49.1gal (US)
Hydraulic System - Tank Only
63.4gal (US)
Diesel Exhaust Fluid Tank (Tier 4)
8.7gal (US)
Hydraulic System Factory Fill
125.5gal (US)
Hydraulic System - Lift/Tilt
Pilot System
Variable displacement piston
Relief Valve Setting - Main
551psi
Maximum Flow
13.7gal/min
Cylinders, Double Acting - Tilt, Bore and Stroke
267 mm × 685 mm (10.5 in × 27.0 in)
Maximum Flow at 1,400-1,860 rpm
153gal/min
Cylinders, Double Acting - Lift, Bore and Stroke
210 mm × 1050 mm (8.3 in × 41.3 in)
Lift/Tilt System
Variable displacement piston
Lift/Tilt System - Circuit
EH- Positive Flow Control, Flow Sharing
Relief Valve Setting - Lift/Tilt
4757psi
Hydraulic Cycle Time (1,400-1,860 rpm)
Rack Back
4.5s
Lower Float Down
3.5s
Raise
8s
Total Hydraulic Cycle Time - Empty Bucket
18.2s
Dump
2.2s
Sound Performance - Standard
Operator Sound Level (ISO 6396)
71dB(A)
Machine Sound Level (ISO 6395)
111dB(A)
Sound Performance - Suppression
Operator Sound Level (ISO 6396)
70dB(A)
Machine Sound Level (ISO 6395)
109dB(A)
Brakes
Brakes
SAE J1473 OKT90, ISO 3450:1992
Standard Equipment
Note
Standard and optional equipment may vary. Consult your Cat dealer for details.
Electrical
Alarm, back-up
Alternator, single 150 amp
Batteries, dry
Converter, 10/15 amp, 24V to 12V
Lighting system (halogen, work lights, access and service platform lighting)
Starting and charging system, 24V
Starter emergency start receptacle
Starter lockout
Transmission lockout
Operator Environment
Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
Air conditioner
Cat Detect Vision, rear vision camera system
Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
Controls, lift and tilt function
Heater, defroster
Horn, electric
Instrumentation, gauges: - Coolant temperature - Engine hour meter - Hydraulic oil temperature - Power train oil temperature
Light, cab, dome
Lunchbox, beverage holders
Mirrors, rearview (externally mounted)
Rimpull Control System
Seat, Cat Comfort (cloth), air suspension, six-way adjustable
Seat belt, retractable, 76 mm (3 in) wide
STIC Control System
UV glass
Transmission gear indicator
Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
Wet-Arm wipers/washers (front and rear): - Intermittent front and rear wipers
Lights, directional
Power Train
Brakes, oil-cooled, multi-disc, service/secondary
Case drain screens
Crankcase guard
Electro hydraulic parking brake
Engine, C18 MEUI diesel, turbocharged/aftercooled
Ground level engine shutoff
Turbine precleaner, engine air intake
Radiator, Next Generation Modular (NGMR)
Starting aid, ether, automatic
Throttle lock, electronic
Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
Transmission, planetary powershift, 4F/3R electronic control
Other
Automatic bucket lift kickout/positioner
Base machine price includes a rim allowance
Hydraulically driven demand fan
Couplings, Cat O-ring face seals
Doors, service access (locking)
Ecology drains for engine, radiator, hydraulic tank
Fuel tank, 731 L (188 gal)
Hitch, drawbar with pin
Hoses, Cat XT
Hydraulic, steering and brake filtration/screening system
Cat Clean Emission Module
Oil sampling valves
Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)
Rear access to cab and service platform
Steering, load sensing
Toe kicks
Vandalism protection caplocks
Optional Equipment
Note
Standard and optional equipment may vary. Consult your Cat dealer for details.
Power Train
50° C (-58° F) antifreeze
Engine oil change system, high speed, Wiggins
Engine block heater 120V or 240V
High ambient cooling - software
Payload Control System (PCS)
Operator Environment
Cab precleaner
AM/FM/CD/MP3 radio
Satellite Sirius radio with bluetooth
LED warning strobe
CB radio ready
Window pull down visor
Miscellaneous Attachments
Front and rear roading fenders
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988K Wheel Loader Steel Mill Arrangement