988 Wheel Loader

Net Power - SAE J1349:2011538hp

Engine Power - ISO 14396:2002580hp

Gross Power - SAE J1995:2014588hp

Engine ModelCat® C18 ™

Rated Speed1700/min

Peak Power Speed1500/rpm

EmissionsU.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards, Brazil MAR-1 and China Nonroad Stage IV emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, and U.S. EPA Tier 2 and EU Stage II

Bore5.7in

Stroke7.2in

Displacement1105in³

Peak Torque - 1,200 rpm2230lb/ft

Torque Rise58%

Operating Weight112574lb

Rated Payload - Quarry Face12.5t

Rated Payload - Loose Material16t

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

Cat Truck Match - Standard770～772

Cat Truck Match - High Lift773～775

Transmission TypeCat planetary powershift

Forward - 14mile/h

Forward - 27.2mile/h

Forward - 312.7mile/h

Forward - 421.6mile/h

Reverse - 14.7mile/h

Reverse - 28.3mile/h

Reverse - 314.4mile/h

Direct Drive - Forward 1Lock-up disabled

Direct Drive - Forward 27.8mile/h

Direct Drive - Forward 313.9mile/h

Direct Drive - Forward 424.4mile/h

Direct Drive - Reverse 15mile/h

Direct Drive - Reverse 28.9mile/h

Direct Drive - Reverse 315.8mile/h

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

Lift/Tilt SystemVariable displacement piston

Maximum Flow at 1,400-1,860 rpm153gal/min

Relief Valve Setting - Lift/Tilt4757psi

Cylinders, Double Acting - Lift, Bore and Stroke210 mm × 1050 mm (8.7 in × 41.3 in)

Cylinders, Double Acting - Tilt, Bore and Stroke269 mm × 685 mm (8.7 in × 27 in)

Pilot SystemVariable displacement piston

Relief Valve Setting - Main551psi

Rack Back4.5s

Raise8s

Dump2.2s

Lower Float Down3.5s

Total Hydraulic Cycle Time - Empty Bucket18.2s

Steering System - CircuitPilot, load sensing

Steering System - PumpPiston, variable displacement

Maximum Flow71.3gal/min

Relief Valve Setting - Steering4351psi

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 Tank188gal (US)

Cooling System31.7gal (US)

Coolant (Validated by Test Cell Fill Quantities)33gal (US)

Crankcase15.9gal (US)

Diesel Exhaust Fluid Tank8.7gal (US)

Transmission31.7gal (US)

Transmission - Validated by Test Cell Fill Quantities29gal (US)

Differential - Final Drives - Front49.1gal (US)

Differential - Final Drives - Rear49.1gal (US)

Hydraulic System Factory Fill125.5gal (US)

Hydraulic System - Tank Only63.4gal (US)

Operator Sound Pressure Level (ISO 6396:2008)73dB(A)

Machine Sound Power Level (ISO 6395:2008)111dB(A)

Operator Sound Pressure Level (ISO 6396:2008)73dB(A)

Machine Sound Power Level (ISO 6395:2008)112dB(A)

Ground to Top of ROPS13.8ft

Ground to Top of Exhaust Stacks14.8ft

Ground to Top of Hood10.9ft

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

Clearance at Maximum Lift11.9ft

B-Pin Height - Maximum Lift18ft

Maximum Overall Height - Bucket Raised24.5ft

Reach - Maximum Lift6.5ft

Ground to Top of ROPS13.8ft

Ground to Top of Exhaust Stacks14.8ft

Ground to Top of Hood10.9ft

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

Clearance at Maximum Lift13.3ft

B-Pin Height - Maximum Lift19.3ft

Maximum Overall Height - Bucket Raised25.8ft

Reach - Maximum Lift6.8ft

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

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

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

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, deluxe

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

Optional

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

Standard

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

Optional

–50° C (–58° F) antifreeze

Engine oil change system, high speed, Wiggins

High ambient cooling – software

Cat Production Measurement

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, 712 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

Additional counterweight

Front and rear roading fenders

Fast fill fuel system (Shaw-Aero)

Cold Weather Starting (extra starter plus two batteries), engine block heater 120V or 240V, heated fuel lines

Optional

Aggregate Handler