988K Wheel Loader Steel Mill Arrangement
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.
Engine
Net Power
Engine Model
Net Power - SAE J1349
Bore
Stroke
Displacement
Torque Rise
Rated Speed
Peak Power Speed - 1,500 rpm - Gross - ISO 14396
Gross - ISO 14396
Peak Power Speed
Peak Power Speed - 1,500 rpm - Gross - SAE J1995
Peak Torque - 1,200 rpm
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
Emissions
Operating Specifications
Operating Weight
Rated Payload
Rated Payload - Standard
Bucket Capacity Range
Cat Truck Match - Standard
Cat Truck Match - High Lift
Rated Payload - High Lift
Buckets
Bucket Capacities
Transmission
Transmission Type
Forward - 1
Forward - 2
Forward - 3
Forward - 4
Reverse - 1
Reverse - 2
Reverse - 3
Direct Drive - Forward 1
Direct Drive - Forward 2
Direct Drive - Forward 3
Direct Drive - Forward 4
Direct Drive - Reverse 1
Direct Drive - Reverse 2
Direct Drive - Reverse 3
Axles
Front
Rear
Oscillation Angle
Hydraulic System - Steering
Steering System - Circuit
Steering System - Pump
Relief Valve Setting - Steering
Maximum Flow
Steering Cycle Times - Low Idle
Total Steering Angle
Steering Cycle Times - High Idle
Service Refill Capacities
Fuel Tank
Cooling System
Crankcase
Transmission
Differential - Final Drives - Front
Differential - Final Drives - Rear
Hydraulic System - Tank Only
Diesel Exhaust Fluid Tank (Tier 4)
Hydraulic System Factory Fill
Hydraulic System - Lift/Tilt
Pilot System
Relief Valve Setting - Main
Maximum Flow
Cylinders, Double Acting - Tilt, Bore and Stroke
Maximum Flow at 1,400-1,860 rpm
Cylinders, Double Acting - Lift, Bore and Stroke
Lift/Tilt System
Lift/Tilt System - Circuit
Relief Valve Setting - Lift/Tilt
Hydraulic Cycle Time (1,400-1,860 rpm)
Rack Back
Lower Float Down
Raise
Total Hydraulic Cycle Time - Empty Bucket
Dump
Sound Performance - Standard
Operator Sound Level (ISO 6396)
Machine Sound Level (ISO 6395)
Sound Performance - Suppression
Operator Sound Level (ISO 6396)
Machine Sound Level (ISO 6395)
Brakes
Brakes
Standard Equipment:
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- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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- Electrical
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- 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
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- Operator Environment
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- 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
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- Power Train
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- 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
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- Other
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- 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.
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- Power Train
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- 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)
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- Operator Environment
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- Cab precleaner
- AM/FM/CD/MP3 radio
- Satellite Sirius radio with bluetooth
- LED warning strobe
- CB radio ready
- Window pull down visor
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- Miscellaneous Attachments
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- Front and rear roading fenders
Contact Us
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