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988K XE Wheel Loader

988K XE Wheel Loader

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 over 50 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988K XE brings improved sustainability and maximum efficiency to this machine platform.

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Net Power - SAE J1349538HP

Engine ModelCat® C18 ™

Engine Power - ISO 14396580HP

Gross Power - SAE J1995588HP

Rated Speed1,700 rpm

EmissionsU.S. EPA Tier 4 Final, EU Stage V, and Japan 2014

Peak Power Speed1,500 rpm

Bore5.7in

Stroke7.2in

Displacement1105in³

Peak Torque - 1,200 rpm - SAE J19952230ft·lbf

Torque Rise58%

Operating Weight116362lb

Operating Weight - Standard116362lb

Operating Weight - High Lift119618lb

Rated Payload - Standard (Quarry Face)12.5ton (US)

Rated Payload - Loose Material (Standard)16ton (US)

Bucket Capacity Range4.7-13 m3 (6.2-17 yd3)

Bucket Capacities4.7-13 m3 (6.2-17 yd3)

Transmission TypeCat switched reluctance electric drive

Forward 1 (virtual)4.3mile/h

Forward 2 (virtual)7mile/h

Forward 3 (virtual)13.8mile/h

Forward 4 (virtual)20mile/h

Reverse 1 (virtual)4.3mile/h

Reverse 2 (virtual)7mile/h

Reverse 3 (virtual)17.5mile/h

Lift/Tilt System - CircuitEH-Positive Flow Control, Flow Sharing

Lift/Tilt System - PumpVariable displacement piston

Maximum Flow at 1,400-1,600 rpm153gal/min

Relief Valve Setting - Lift/Tilt4757psi

Lift Cylinder - Bore8.7in

Lift Cylinder - Stroke41.3in

Tilt Cylinder - Bore8.7in

Tilt Cylinder - Stroke27in

Rack Back4.5s

Raise8s

Dump2.2s

Lower Float Down3.5s

Total Hydraulic Cycle Time18.2s

Steering System - CircuitPilot, load sensing

Steering System - PumpPiston, variable displacement

Maximum Flow at 1,400-1,600 rpm71.3gal/min

Steering Cut Off Pressure4351psi

Total Steering Angle86°

Steering Cycle Times - High Idle3.4s

Steering Cycle Times - Low Idle5.6s

Air ConditioningThe air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

FrontFixed

RearTrunnion

Oscillation Angle13°

BrakesISO 3450:2011

ROPS/FOPSROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Fuel Tank147gal (US)

Cooling System - Jacket Water30gal (US)

Cooling Systems - Power Train8gal (US)

Engine Crankcase16gal (US)

Diesel Exhaust Fluid Tank8.7gal (US)

Transmission16gal (US)

Differential - Final Drives - Front49gal (US)

Differential - Final Drives - Rear49gal (US)

Hydraulic System - Implement/Steering126gal (US)

NoteAll nonroad Tier 4 Final/Stage V diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less). – Cat engines are compatible with the following renewable, alternati

Operator Sound Level (ISO 6396)72dB(A)

Machine Sound Level (ISO 6395)109dB(A)

Note (1)The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (2)Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Note (3)The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Ground to Top of ROPS13.8ft

Ground to Top of Exhaust Stacks14.8ft

Ground to Top of Hood10.9ft

Ground to Bumper Clearance3.1ft

Rear Axle - Centerline to Bumper10.5ft

Front Axle Centerline to Bucket Tip14ft

Wheel Base14.9ft

Maximum Overall Length39.3ft

Ground to Lower Hitch Clearance1.9ft

Ground to Center of Axles3.2ft

Clearance at Maximum Lift11.9ft

B-Pin Height - Maximum Lift18ft

Maximum Overall Height - Bucket Raised24.5ft

Reach - Maximum Lift6.5ft

NoteSpecs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.

Ground to Top of ROPS13.8ft

Ground to Top of Exhaust Stacks14.8ft

Ground to Top of Hood10.9ft

Ground to Bumper Clearance3.1ft

Rear Axle - Centerline to Bumper10.5ft

Front Axle Centerline to Bucket Tip15.3ft

Wheel Base14.9ft

Maximum Overall Length40.7ft

Ground to Lower Hitch Clearance1.9ft

Ground to Center of Axles3.2ft

Clearance at Maximum Lift13.3ft

B-Pin Height - Maximum Lift19.3ft

Maximum Overall Height - Bucket Raised25.8ft

Reach - Maximum Lift6.8ft

NoteSpecs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.

Recyclability96%

Standard

Standard and optional equipment may vary. Consult your Cat dealer for details.

Optional

Standard and optional equipment may vary. Consult your Cat dealer for details.

Standard

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

Hazardous voltage lamp

Standard

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings

Air conditioner

Cat 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

CB radio-ready

Mirrors, rearview (externally mounted)

Rimpull Control System

Seat, Cat Comfort Series III, heated and ventilated, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

STIC Control System

UV glass

Virtual 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

Optional

Cat Detect, object detection system

Cab precleaner

AM/FM/CD/MP3 radio

Satellite Sirius radio with Bluetooth®

LED warning strobe

Window pull down visor

Handrail mounted mirrors

Standard

Brakes, oil-cooled, multi-disc, service/secondary

Case drain screens

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

Manual switch and automatic fuel priming

Cat Production Measurement ready

Cat SR Generator/Pump Drive

Cat SR Drive Motor

Cat Integrated Powered Electronics

Automatic retarding controls

Optional

–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

Crankcase guard

Engine brake, SEA

Standard

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, 555 L (147 gal)

Hitch, drawbar with pin

Hoses, Cat XT

Hydraulic, steering and brake filtration/screening system

Cat Clean Emission Module

Oil sampling valves

Premixed 50 percent 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

Front and rear roading fenders

Fast fill fuel system (Shaw-Aero)

Cold Weather Starting (extra starter plus two batteries)

Aggregate Handler

Autodig feature, Tire Slip Prevention

Wheel Chocks

EZ Clean cooling system

Autodig features, Auto Set Tires & Lift Stall Prevention

Autolube with Auto shutoff

Tire Pressure Monitoring System

Load and Carry Counterweight

Optional

Aggregate Handler

Millyard

Load and Carry

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