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988K Wheel Loader

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CALCULATE FINANCE

POWERFUL EFFICIENCY

LONG TERM VALUE AND DURABILITY

PROVEN RELIABILITY

PERFORMANCE AND PRODUCTIVITY

OPERATOR COMFORT AND CONTROL

PRODUCTIVITY WITH TECHNOLOGY

SAVE ON SERVICE AND MAINTENANCE

TOP-TIER SERVICE AND SUPPORT

SAFETY FIRST

REDUCE ENVIRONMENTAL IMPACT

EFFICIENT EQUIPMENT MATCH

ATTACHMENTS TO MEET YOUR NEEDS

PERFORMANCE WITH LESS FUEL

Engine
Net Power 403 kW (541 HP)
Engine Model Cat® C18 ™
Bore 145 mm (5.7 in)
Stroke 183 mm (7.2 in)
Displacement 18.1 l (1105 inu00b3)
Torque Rise 58 % (58 %)
Rated Speed 1700/min
Peak Torque - 1,200 rpm 2852 N·m (2104 lb/ft)
Net Power - SAE J1349 403 kW (541 HP)
Peak Power Speed 1500/min
Peak Power Speed - 1,500 rpm - Gross - ISO 14396 432 kW (580 HP)
Gross - ISO 14396 432 kW (580 HP)
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 439 kW (588 HP)
Emissions U.S. EPA Tier 4 Final/EU Stage IV OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 403 kW (541 HP)
Operating Specifications
Operating Weight 51062 kg (112574 lb)
Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3)
Rated Payload - Quarry Face 11.3 t (12.5 t)
Cat Truck Match - High Lift 773uff5e775
Rated Payload - Loose Material 14.5 t (16 t)
Cat Truck Match - Standard 770uff5e772
Transmission
Transmission Type Cat-Planetenlastschaltgetriebe
Forward - 1 6.5 km/h (4 mile/h)
Forward - 2 11.6 km/h (7.2 mile/h)
Forward - 3 20.4 km/h (12.7 mile/h)
Forward - 4 34.7 km/h (21.6 mile/h)
Reverse - 1 7.5 km/h (4.7 mile/h)
Reverse - 2 13.3 km/h (8.3 mile/h)
Reverse - 3 23.2 km/h (14.4 mile/h)
Direct Drive - Reverse 2 14.3 km/h (8.9 mile/h)
Direct Drive - Reverse 3 25.5 km/h (15.8 mile/h)
Direct Drive - Forward 2 12.5 km/h (7.8 mile/h)
Direct Drive - Reverse 1 8 km/h (5 mile/h)
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 3 22.3 km/h (13.9 mile/h)
Direct Drive - Forward 4 39.3 km/h (24.4 mile/h)
Hydraulic System - Lift/Tilt
Maximum Flow 52 l/min (13.7 gal/min)
Maximum Flow at 1,400-1,860 rpm 580 l/min (153 gal/min)
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Tilt, Bore and Stroke 269 mm u00d7 685 mm (8.7 in u00d7 27 in)
Relief Valve Setting - Main 3800 kPa (551 psi)
Relief Valve Setting - Lift/Tilt 32800 kPa (4757 psi)
Pilot System Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke 210 mm u00d7 1050 mm (8.7 in u00d7 41.3 in)
Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
Service Refill Capacities
Fuel Tank 712 l (188 gal (US))
Cooling System 120 l (31.7 gal (US))
Crankcase 60 l (15.9 gal (US))
Transmission 120 l (31.7 gal (US))
Hydraulic System - Tank Only 240 l (63.4 gal (US))
Differential - Final Drives - Rear 186 l (49.1 gal (US))
Hydraulic System Factory Fill 475 l (125.5 gal (US))
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only) 33 l (8.7 gal (US))
Differential - Final Drives - Front 186 l (49.1 gal (US))
Buckets
Bucket Capacities 4.7-13 m3 (6.2-17 yd3)
Axles
Front Fixed
Rear Trunnion
Oscillation Angle 13 u00b0
Brakes
Brakes SAEu00a0J1473u00a0OKT90, ISOu00a03450:1992
Hydraulic System - Steering
Steering System - Pump Piston, variable displacement
Total Steering Angle 86 u00b0
Maximum Flow 270 l/min (71.3 gal/min)
Relief Valve Setting - Steering 30000 kPa (4351 psi)
Steering Cycle Times - High Idle 3.4 s (3.4 s)
Steering System - Circuit Pilot, load sensing
Steering Cycle Times - Low Idle 5.6 s (5.6 s)
Hydraulic Cycle Time (1,400-1,860 rpm)
Total Hydraulic Cycle Time - Empty Bucket 18.2 s (18.2 s)
Lower Float Down 3.5 s (3.5 s)
Rack Back 4.5 s (4.5 s)
Raise 8 s (8 s)
Dump 2.2 s (2.2 s)
Sound Performance - Tier 4 Final/Stage IV - Standard
Operator Sound Level (ISO 6396) 72 dB(A) (72 dB(A))
Machine Sound Level (ISO 6395) 111 dB(A) (111 dB(A))
Sound Performance - Tier 4 Final/Stage IV: Suppression
Machine Sound Level (ISO 6395) 109 dB(A) (109 dB(A))
Operator Sound Level (ISO 6396) 72 dB(A) (72 dB(A))
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Operator Sound Level (ISO 6396) 72 dB(A) (72 dB(A))
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Machine Sound Level (ISO 6395) 112 dB(A) (112 dB(A))
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Machine Sound Level (ISO 6395) 110 dB(A) (110 dB(A))
Service Refill Capacities
Coolant (Validated by Test Cell Fill Quantities) 125 l (33 gal (US))
Transmission - Validated by Test Cell Fill Quantities 110 l (29 gal (US))
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Operator Sound Level ( ISO 6396) 73 dB(A) (73 dB(A))

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

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
    • 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

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