988K Wheel Loader
Exterior View
Please contact your nearest store for rates and other details.
Product Specs
Engine
- Net Power
- 541 hp
- Engine Model
- Cat® C18 ™
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1105 in³
- Torque Rise
- 58 %
- Rated Speed
- 1700/min
- Emissions
- U.S. EPA Tier 4 Final/EU Stage V OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent
- Net Power - SAE J1349:2011
- 541 hp
- Gross - ISO 14396
- 580 hp
- Peak Power Speed
- 1500/min
- Peak Power Speed - 1,500 rpm - Gross - ISO 14396
- 580 hp
- Peak Power Speed - 1,500 rpm - Gross - SAE J1995
- 588 hp
- Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
- 541 hp
- Peak Torque - 1,200 rpm
- 2104 lb/ft
Operating Specifications
- Operating Weight
- 112574 lb
- Bucket Capacity Range
- 4.7-13 m3 (6.2-17 yd3)
- Rated Payload - Loose Material
- 16 t
- Rated Payload - Quarry Face
- 12.5 t
- Cat Truck Match - Standard
- 770～772
- Cat Truck Match - High Lift
- 773～775
Buckets
- Bucket Capacities
- 4.7-13 m3 (6.2-17 yd3)
Transmission
- Transmission Type
- Cat-Planetenlastschaltgetriebe
- Forward - 1
- 4 mile/h
- Forward - 2
- 7.2 mile/h
- Forward - 3
- 12.7 mile/h
- Forward - 4
- 21.6 mile/h
- Reverse - 1
- 4.7 mile/h
- Reverse - 2
- 8.3 mile/h
- Reverse - 3
- 14.4 mile/h
- Direct Drive - Forward 2
- 7.8 mile/h
- Direct Drive - Reverse 1
- 5 mile/h
- Direct Drive - Reverse 2
- 8.9 mile/h
- Direct Drive - Forward 1
- Lock-up disabled
- Direct Drive - Forward 3
- 13.9 mile/h
- Direct Drive - Forward 4
- 24.4 mile/h
- Direct Drive - Reverse 3
- 15.8 mile/h
Axles
- Front
- Fixed
- Rear
- Trunnion
- Oscillation Angle
- 13 °
Service Refill Capacities
- Fuel Tank
- 188 gal (US)
- Cooling System
- 31.7 gal (US)
- Crankcase
- 15.9 gal (US)
- Transmission
- 31.7 gal (US)
- Hydraulic System - Tank Only
- 63.4 gal (US)
- Hydraulic System Factory Fill
- 125.5 gal (US)
- Coolant (Validated by Test Cell Fill Quantities)
- 33 gal (US)
- Transmission - Validated by Test Cell Fill Quantities
- 29 gal (US)
- Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only)
- 8.7 gal (US)
- Differential - Final Drives - Front
- 49.1 gal (US)
- Differential - Final Drives - Rear
- 49.1 gal (US)
Hydraulic System - Steering
- Relief Valve Setting - Steering
- 4351 psi
- Maximum Flow
- 71.3 gal/min
- Steering Cycle Times - High Idle
- 3.4 s
- Steering Cycle Times - Low Idle
- 5.6 s
- Steering System - Circuit
- Pilot, load sensing
- Steering System - Pump
- Piston, variable displacement
- Total Steering Angle
- 86 °
Hydraulic System - Lift/Tilt
- Lift/Tilt System
- Variable displacement piston
- Maximum Flow
- 13.7 gal/min
- Relief Valve Setting - Main
- 551 psi
- Cylinders, Double Acting - Lift, Bore and Stroke
- 210 mm × 1050 mm (8.7 in × 41.3 in)
- Cylinders, Double Acting - Tilt, Bore and Stroke
- 269 mm × 685 mm (8.7 in × 27 in)
- Lift/Tilt System - Circuit
- EH- Positive Flow Control, Flow Sharing
- Maximum Flow at 1,400-1,860 rpm
- 153 gal/min
- Pilot System
- Variable displacement piston
- Relief Valve Setting - Lift/Tilt
- 4757 psi
Hydraulic Cycle Time (1,400-1,860 rpm)
- Dump
- 2.2 s
- Lower Float Down
- 3.5 s
- Rack Back
- 4.5 s
- Raise
- 8 s
- Total Hydraulic Cycle Time - Empty Bucket
- 18.2 s
Sound Performance - Tier 2 Equivalent/Stage II: Standard
- Machine Sound Level (ISO 6395)
- 112 dB(A)
- Operator Sound Level ( ISO 6396)
- 73 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
- Operator Sound Level (ISO 6396)
- 72 dB(A)
- Machine Sound Level (ISO 6395)
- 110 dB(A)
Sound Performance - Tier 4 Final/Stage IV - Standard
- Machine Sound Level (ISO 6395)
- 111 dB(A)
- Operator Sound Level (ISO 6396)
- 72 dB(A)
Sound Performance - Tier 4 Final/Stage IV: Suppression
- Machine Sound Level (ISO 6395)
- 109 dB(A)
- Operator Sound Level (ISO 6396)
- 72 dB(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 in bumper
- Transmission lockout in bumper
-
- 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 minder
- 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, Aluminum Modular Radiator (AMR)
- 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
- Manual switch and automatic fuel priming
- Cat Production Measurement ready
-
- 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
Attachments
-
- 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
- Cat Production Measurement
-
- Operator Environment
-
- Cab precleaner
- AM/FM/CD/MP3 radio
- Satellite Sirius radio with bluetooth
- LED warning strobe
- CB radio ready
- Window pull down visor
- Handrail mounted mirrors
-
- Miscellaneous Attachments
-
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Cold Weather Starting (extra starter plus two batteries)
- Aggregate Handler