988 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 60 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988 XE brings improved sustainability and maximum efficiency to this machine platform.

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Engine Power - ISO 14396:2002580hp

Engine ModelCat® C18

Rated Speed1,700 rpm

Peak Power Speed1,500 rpm

Gross Power - SAE J1995:2014588hp

Net Power - SAE J1349:2011538hp

Bore5.7in

Stroke7.2in

Displacement1105in³

Peak Torque - 1,200 rpm2230lbf·ft

Torque Rise58%

Note (1)Two engine emissions options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Note (2)Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Operating Weight116362lb

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

Rated Payload - Quarry Face12.5t

Rated Payload - Loose Material16t

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 or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system con

FrontFixed

RearTrunnion

Oscillation Angle13°

BrakesISO 3450:2011

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

Operator Sound Pressure Level (ISO 6396:2008)72dB(A)

Machine Sound Power Level (ISO 6395:2008)109dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*72dB(A)

Machine Sound Power Level (ISO 6395:2008)**109dB(A)

Note (1)* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”

Note (2)** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701

Note (3)The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)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.

Operator Sound Pressure Level (ISO 6396:2008)72dB(A)

Machine Sound Power Level (ISO 6395:2008)110dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*72dB(A)

Machine Sound Power Level (ISO 6395:2008)**110dB(A)

Note (1)* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives”

Note (2)** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701

Note (3)The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)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.

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)

NoteCat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: • 20%

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

NoteSpecifications 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

NoteSpecifications 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 Stacks13.8ft

Ground to Top of Hood10.9ft

Ground to Bumper Clearance3.1ft

Rear Axle - Centerline to Bumper10.5ft

Front Axle Centerline to Fork Tip16.5ft

Wheel Base14.9ft

Maximum Overall Length41.9ft

Ground to Lower Hitch Clearance1.9ft

Ground to Center of Front Axle3.2ft

Fork Height with Level Arms8.1ft

Fork Top Clamp Opening13.1ft

Fork Height at Maximum Lift17.2ft

Hinge Pin Height at Maximum Lift16.1ft

Dump Angle at Maximum Lift-39.4°

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

High voltage indicator light

Lighting system (LED, work lights, access and service platform lighting)

Starting and charging system, 24V

Auxiliary jump start receptacle

Starter lockout in bumper

Transmission lockout in bumper

Standard

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

Air conditioner

Cat Vision, rear vision camera system

Cat Production Measurement ready

Cab, sound suppressed and pressurized, integrated rollover protective structure / falling objects 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
– Powertrain oil temperature

Light, cab, dome

Lunchbox, beverage holders

CB radio-ready

Mirrors, rearview (externally mounted)

Rimpull Control System (RCS)

Seat, Deluxe

Seat belt minder

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

Steering and Transmission Integrated Control (STIC) system

UV glass

Virtual gear indicator

Vital Information Management System (VIMS) with Graphical Information Display: External Data Port

Wet-arm wipers/washers (front and rear)
– Intermittent front and rear wipers

Lights, directional

Optional

Cab precleaner

Cat Detect, object detection system

Cat Production Measurement

Radio, AM/FM/CD/MP3 Bluetooth®

LED warning strobe

Window pull down visor

Handrail mounted mirrors

Standard

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

Hydraulic system case drain screens

Electro hydraulic parking brake

Engine, C18 Mechanically Actuated Electronic Unit Injection (MEUI) diesel, turbocharged/aftercooled

Engine oil change system, high speed, Wiggins

Ground level engine shutdown switch

Turbine precleaner, engine air intake

Radiator, Aluminum Modular Radiator (AMR)

Single Pedal Mode with three levels of dynamic braking

Starting aid, ether, automatic

Throttle lock, electronic

Manual switch and automatic fuel priming

Cat switched reluctance (SR) generator/pump drive

Cat switched reluctance (SR) drive motor

Cat Integrated Powered Electronics

Automatic retarding controls

Optional

–50° C (–58° F) antifreeze

Engine block heater 120V or 240V

High ambient cooling – software

Crankcase guard

Engine brake, software enabled attachment (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 (CEM)

Operator assist feature, Tire Slip Prevention

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 Package: Additional Starter and 2 Batteries, Engine Block Heater 120V or 240V, Heated Fuel Lines

Engine compartment service lights

Autolube with Auto shutoff

Generative braking

Wheel Chocks

Operator Coaching

Tire Pressure Monitoring System

Operator assist features, Auto Set Tires, and Lift Stall Prevention

Additional Counterweight

Optional

Aggregate Handler

Millyard

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